Amines and quaternary ammonium compounds (C08K5/17)

Anti-corrosion coatings // 2641750
FIELD: chemistry.SUBSTANCE: described curable compositions comprise a polybenzoxazine component, a polyamine component, and a fluoropolymer component. The fluoropolymer component used is selected from fluoroolefin (co) polymers, perfluoroolefin (co) polymers, (co) polymers of perfluoroalkylvinylethers and (co) perfor alkoxyvinyl ether polymers.EFFECT: invention provides protection against corrosion of substrates under the influence of high temperatures.14 cl, 3 tbl, 3 ex

ethod for producing stabilized amorphous calcium carbonate // 2637019
FIELD: chemistry.SUBSTANCE: method for producing amorphous calcium carbonate (ACC) comprises combining an aqueous solution containing a soluble calcium salt and the first stabilizing agent with an aqueous solution containing a soluble carbonate to form an ACC suspension. Further, a water miscible organic solvent and a solution containing the second stabilizing agent are added simultaneously or sequentially in any order. The second stabilizing agent and the organic solvent are brought into contact with the ACC suspension within about 2 minutes after its formation to produce a stabilized ACC suspension. The first and the second stabilizing agents are the same or different. The total amount of the stabilizing agent is up to about 12 wt % of the stabilized ACC suspension weight. The organic solvent miscible with water is, at least, 5 wt % of the stabilized ACC suspension weight.EFFECT: invention allows to increase the stability of amorphous calcium carbonate, which is in the form of a suspension in the aqueous phase or in the form of a powder.25 cl, 4 dwg, 6 ex
Phenolformaldehyde binder and fibreglass on its basis // 2633717
FIELD: chemistry.SUBSTANCE: fibreglass includes a prepreg that uses fibreglass and a phenolformaldehyde binder that contains a resole phenolformaldehyde resin, which uses a highly concentrated condensation product of phenol and paraformaldehyde, an organic solvent used as acetone, and a novolac phenolformaldehyde resin. In addition, the binder further comprises pyrogenic silica and polycyclic amine, which is used as urotropine.EFFECT: reducing the heat generation during combustion, increasing the mechanical properties, viscosity control and reduction of gel time.3 cl, 3 tbl, 6 ex
Composition of additives based on amine and nitroxide for control and inhibition of polymerization of styrene and method of its use // 2625300
FIELD: chemistry.SUBSTANCE: invention discloses an additive composition for controlling and inhibiting the polymerization of aromatic vinyl monomers comprising styrene which comprises: (a) one or more of nitroxide compounds; and characterized in that mentioned composition further comprises one or more of (b) amines. This amine is an aliphatic tertiary amine. The aliphatic tertiary amine is selected from the group consisting of a hydroxyalkyl tertiary amine, an ethylene oxide treated amine, an amine treated with propylene oxide and a tertiary alkylamine or a combination thereof. The composition does not contain an amine selected from the group consisting of phenylenediamine, ethylenediamine (EDA), tetraethylenepentamine, dipropylamine and diethanolamine. Also, an additive composition and a composition for controlling and inhibiting the polymerization of aromatic vinyl monomers comprising styrene are disclosed. Additionally, a method for controlling and inhibiting, a method for using an additive composition and a method for preparing an additive composition are disclosed.EFFECT: creation of an effective additive for the control and inhibition of the polymerization of aromatic vinyl monomers including styrene, which does not contain aromatic nitroxide compounds.23 cl, 6 ex, 6 tbl
Cold curing epoxide composition // 2623774
FIELD: chemistry.SUBSTANCE: epoxy-dian resin composition comprises a plasticizing agent selected from the group consisting of aliphatic diglycidyl ether diethylene glycol, diglycidyl ether of 1.4-butanediol and dibutyl phthalate, a curing system that includes triethylenetetramine and a mixture of aromatic amines XT-450/2 or polyamide resin.EFFECT: high technological viability of the composition, high physical and mechanical characteristics.2 cl, 3 tbl, 10 ex
Rubber mixture and pneumatic tire // 2618728
FIELD: automotive industry.SUBSTANCE: rubber mixture comprises 0.5-100 weight percent of reaction product obtained by reacting of a part or all the polymer composed of conjugated diene compound and an aromatic vinyl compound with an anhydride; 0.1-20.0 weight percent of triamine, 5-150 weight percent of silicon dioxide and 100 weight percent of the rubber component. Wherein the reaction product has an average weight molecular weight from 1.0⋅103 to 1.0⋅105, and triamines are compounds of the following formula: wherein each RA, RB, RC, RD and RE, independently represents a hydrogen atom, and ALK1 and ALK2 represent a C1-C12 aliphatic hydrocarbon group.EFFECT: improved abrasion resistance without deterioration in energy use efficiency.10 cl, 3 tbl
Rubber mixture and pneumatic tire // 2618272
FIELD: automotive industry.SUBSTANCE: rubber mixture comprises 0.5-100 weight percent of reaction product obtained by reacting of a part or all the polymer composed of conjugated diene compound and an aromatic vinyl compound with an anhydride; 0.1-20.0 weight percent of tetraamine, 5-15- weight percent of silicon dioxide and 100 weight percent of the rubber component. Wherein the polymer mixture has an average weight molecular weight from 1.0⋅103 to 1.0⋅105, and tetraamines are compounds of the following formula wherein each RA, RB, RC, RD, RE, RF, RG and RH independently represents a hydrogen atom, and ALK represents a tetravalent C1-C6 aliphatic hydrocarbon group.EFFECT: invention allows to improve the abrasion resistance without deterioration in energy use efficiency.10 cl, 3 tbl

Liquid epoxy coating composition, methods and products // 2615410
FIELD: chemistry.SUBSTANCE: invention relates to curable coating compositions that provide a protective epoxy coating to protect pipes, valves and other metal substrates, particularly steel substrates during transportation and use at construction sites even in extreme conditions. Here is the description of the curable coating composition, containing the first part and the second part. The curable coating composition comprises a liquid epoxy resin in the first part of the curable composition, rubber particles of core/shell structure in the first part or in the second part, or both, wherein the core-shell rubber particles may be present in an amount of from 0.1 wt % to 50 wt % based on the total weight of the epoxy resin. The curable coating composition also contains a reactive agent of elasticity in the first part of the curable coating compositions that may be present in the amount of from 0.1 to 50 wt % based on the total weight of the epoxy resin. The second part of the curable composition includes an amine curing agent containing at least two amino groups of formula -NR1H, where R1 is selected from hydrogen, alkyl, aryl or alkylaryl. The curable coating composition additionally comprises a non-reactive polyamide thixotrope. There is also the description of the cured coating comprising the reaction product of a curable coating composition, the product comprising a substrate having an outer surface and a cured coating of curable coating compositions, the method of protecting products by providing a coating of a curable coating composition and a product obtained by this method.EFFECT: invention provides a flexible and damage resistant coating with a strong adhesion and reduced time needed to become dry to the touch.19 cl, 1 dwg, 3 tbl, 10 ex
Digester for production of reclaimed rubber powder // 2611492
FIELD: technological processes.SUBSTANCE: group of inventions relates to rubber industry and can be used for regeneration of solid rubber from wastes. Digester comprises components A and B and additives. Component A is selected from amino acids, carbamates, isocyanurates, amides of carboxylic acids and derivatives thereof, as well as mixtures thereof. Molecules of components A penetrate into the rubber matrix and destabilize S-S and S-C connections. Component B is selected from solid ash-free organic salts of ammonium and hydrazinium and mixtures thereof. Component B provides higher shift between polymers of the rubber at mechanical effects at treatment and prevention of adhesion between particles of ground rubber. Additives are inhibitors of subvulcanization, abrasives or antioxidants. Ratio of components A and B ranges from 5:1 to 1:5 wt, preferably from 2:1 to 1:2 wt.EFFECT: digester is used for production of reclaimed rubber powder.5 cl, 3 tbl
Double curing system // 2606444
FIELD: manufacturing technology.SUBSTANCE: invention relates to multicomponent curable composition used in production of reinforced and non-reinforced plastics, as well as coatings, and could be used in shipbuilding, in construction, for example during roofing works, production of floor coatings, laminates, as well as, in particular, in high-energy unit making. Multi-component composition contains first component containing mixture of (i) epoxy resin, (ii) unsaturated polyester or vinyl ester resin and optionally (iii) peroxyester, second component containing amine curing agent for epoxy resin and at least one transition metal compound selected from iron, copper and manganese compounds, and at least, in case of first component which does not contain peroxyester, third component containing peroxide.EFFECT: invention provides sufficient hardness after curing at room temperature and other required properties.14 cl, 1 tbl, 5 ex

Rubber composition // 2605122
FIELD: rubber industry.SUBSTANCE: invention relates to rubber industry and specifically concerns a rubber mixture, vulcanized rubber containing component that improves the viscoelastic properties of vulcanized rubber, method for improving viscoelastic properties of vulcanized rubber and an agent improving such properties, as well as to elements of their processing including pneumatic tires, technical band for tire, tire carcass and tire side strip. Rubber mixture is obtained by mixing at least one component selected from a group consisting of (A1), (B1), (C1) and (D1), rubber component and filler. Method for improving the viscoelastic properties of vulcanized rubber includes the first step of mixing at least one component selected from a group consisting of (A1), (B1), (C) and (D1), rubber component, filler and sulfur component, and the second stage of thermal treatment of mixed material obtained at the previous step. Said components (A1), (B1), (C1) and (D1) are: (A1): compound represented by formula (I), (B1): salt compound represented by formula (I), (C1): solvate compound represented by formula (I), (D1): solvate salt of a compound represented by formula (I): .EFFECT: invention allows to improve viscoelastic properties of rubber and reduce fuel consumption.21 cl, 12 tbl, 106 ex

Thermoplastic elastomeric composition and preparation method thereof // 2599638
FIELD: technological processes.SUBSTANCE: invention relates to dynamically vulcanised alloys (DVA) and, in particular, to DVA, having improved processing characteristics and stability. Present invention also relates to methods of producing DVA. Disclosed is method of producing thermoplastic elastomer composition, involving: dynamic vulcanisation of isobutylene elastomer component, dispersed in form of domain in continuous phase containing at least one thermoplastic resin, to produce post vulcanised dynamically cured alloy; and mixing of post vulcanised dynamically cured alloy with stabiliser based on low-molecular weight aromatic amine, present in amount larger than or equal to 1.5 wt. parts to obtain thermoplastic elastomer composition. Also invention describes thermoplastic elastomer composition obtained using said method comprising post vulcanised dynamically cured alloy and stabilizer based on low-molecular weight aromatic amine, in amount larger than or equal to 1.5 wt. parts, where post vulcanised dynamically vulcanised alloy contains isobutylene elastomer component, dispersed in form of domain in continuous phase containing at least one thermoplastic resin; and thermoplastic elastomer composition obtained by method including: dynamic vulcanisation of halogenated isobutylene elastomer component, where elastomeric component is mixed with not more than 10 wt. parts of cross-linking agent, dispersed in form of domain in continuous phase containing polyamide, to produce post vulcanised dynamically cured alloy; and mixing post vulcanised dynamically cured alloy with 1.5-10 wt. parts of stabiliser based on low-molecular weight aromatic diamine to produce thermoplastic elastomer composition.EFFECT: obtaining elastomeric compositions having improved UV resistance and process characteristics.18 cl, 8 tbl

Rubber adhesion promoter to textile cord // 2596251
FIELD: chemistry.SUBSTANCE: invention relates to production of complex adhesion promoter for rubber and can be used in tyre and rubber industry. Promoter consists of ε-caprolactam, N-isopropyl-N-phenyl-n-phenylenediamine and zinc oxide. Herewith it additionally contains maleic anhydride and calcium oxide, and ε-caprolactam and N-isopropyl-N-phenyl-n-phenylenediamine are used in the form of eutectic melt obtained beforehand in the following proportions, wt%: eutectic melt of ε-caprolactam-N-isopropyl-N-phenyl-n-phenylenediamine - 44.00-50.00, zinc oxide - 29.00-32.00, maleic anhydride - 16.00-20.00, calcium oxide - 3.00-4.50.EFFECT: technical result is higher strength of rubber bounding with textile cord and its stability under conditions of thermal-oxidative ageing, as well as improved physical and mechanical properties of vulcanized rubber.1 cl, 3 tbl, 3 ex

Antiviral polymer making // 2592532
FIELD: chemistry. SUBSTANCE: invention relates to antiviral polymer in amount, which can effectively inactivate viruses and has excellent ability to long-term operation, as well as to method for production thereof. Antiviral polymer part contains polymer, antiviral agent and surface potential control facility. Surface potential control facility makes antiviral polymer part surface potential move on some amount in positive side relative to surface potential of polymer itself. Antiviral agent as active ingredient contains particles of iodide, including iodine, and at least element of groups from 8 to 15 of fourth-sixth period of periodic table and/or particles of at least one type of cuprous. EFFECT: invention provides considerably more lower virus infectivity, high antiviral activity against both enveloped, and against non-enveloped viruses. 5 cl, 2 dwg, 6 tbl, 20 ex

Combination of stabilisers for halogen-bearing polymers // 2576636
FIELD: electrical engineering.SUBSTANCE: invention relates to the system of stabilisers including a thermal stabiliser selected from organic and inorganic lead compounds and a substrate composed by partially calcined dolomite of formula Mt1X1*CaX2. Note here that Mt1 stands for magnesium, X1 stands for oxygen and X2 stands for oxygen. Calcined dolomite is processed by the application of metal perchlorate of formula Mt2(ClO4)m*nH2O, wherein Mt2 stands for sodium, m stands for 1, n stands for the number of 0 to 3. The system of stabilisers does not contain any of the compounds selected from the group including B and C. Note here that B stands for at least one nitrogen-bearing organic compound selected from the group including B1 and B2. Note here that B1 stands for tret-alkanolamine while B2 stands for enaminone or carbamide. Note also that C stands for alumohydroxocarbonate of the alkaline metal of formula (C) (M1-xZnx)yAl2(OH)4+2yCO3*zH2O (C) wherein M stands for magnesium and/or calcium; x stands for the number of 0 to 0.5, y stands for the number of 2 to 8 and z stands for the number of 0 to 12. This invention discloses also the system of composition stabilisers and articles, their application and making of the dolomite substrate.EFFECT: sufficient long-term polymer stabilisation, higher resistance to light and temperature effects.8 cl, 2 tbl, 1 ex

Thermoplastic elastomer composition // 2570045
FIELD: chemistry.SUBSTANCE: invention relates to thermoplastic elastomer composition for sealing layer of pneumatic tyre. Thermoplastic elastomer composition contains (A) 100 wt pt of halogenated copoly(isoolefin-p-alkylstyrene) caoutchouc, (B) from 40 to 120 wt pt of polyamide resin and (C) from 0.5 to 10 wt pt of amine, containing, at least, one hydroxyl group. Amine (C) represents compound, described by formula (1): where R1 represents C1-30alkyl; R2 represents -(C2H4O)n-H, where n represents integer number in the range from 1 to 30; and R3 represents -(C2H4O)m-H, where m represents integer number in the range from 1 to 30, C1-30alkyl or hydrogen.EFFECT: invention makes it possible to improve fatigue life.11 cl, 3 tbl

Rubber mixture based on fluororubbers // 2559512
FIELD: chemistry.SUBSTANCE: rubber mixture contains copolymer of vinylidenefluoride and chlorotrifluoroethylene and triple copolymer of vinylidenefluoride, hexafluoropropylene and tetrafluoroethylene with 0.3 wt % of functional group of bromine, magnesium oxide and calcium hydroxide as vulcanisation activator and technical carbon T-900. Mixture also contains zinc oxide as activator of vulcanisation of peroxide vulcanising system, perkadox 14-40B-GR and triallylisocyanurate as vulcanising agent of peroxide vulcanising system, bisphenol AF and benzyltriphenylphosphonium chloride as vulcanising agent of bisphenol vulcanising system, as well as rofamin T and stearic acid as technological additive.EFFECT: invention makes it possible to achieve specified tensile elongation, reduce change of weight of sample of medium - liquid B after impact within 72 h, increase plasticity, give rubber mixture specified framing in production of non-moulded and calendered mechanical rubber products.1 tbl
oisture-protective filling compound // 2552742
FIELD: chemistry.SUBSTANCE: invention relates to production of epoxy filling compounds used for moisture protection of electronic products, for example capacitors. The compound contains 100 w.p. epoxy diane resin, 22-30 w.p. isophoronediamine, 20 w.p. polyoxypropylene epoxide diluent and filler: ground mica 9-19 w.p., ground talc 5-9 w.p., pigment 1-2 w.p. The diluent, mixture of mineral filler materials and a pigment are added to the epoxy diane resin and stirred. A curing agent is added and stirred until a homogeneous mass is obtained. Capacitors or other articles are filled with the compound at room temperature and cured as follows: heating to 80°C for 30 min, then holding at 80°C for 60 min, heating to 100°C for 30 min, then holding at 100°C for 60 min, heating to 120°C for 30 min, holding at 120°C for 60 min, cooling; or as follows: holding at room temperature for one day and polymerising at 120°C for 4 hours.EFFECT: filling compound has improved electrical insulation properties at operating temperature higher than 125°C, while maintaining the level of moisture resistance and thermal shock resistance.2 tbl

Epoxy binding agent for reinforced plastics // 2547506
FIELD: chemistry.SUBSTANCE: invention relates to the field of creating highly-strong composite materials based on fibrous fillers and epoxy binding agents, which can be used in the aviation industry, machine-, shipbuilding and other fields of technology. A binding agent includes dianic epoxy resin, the hardener diaminodiphenylsulphone and a modifier, the latter is represented by a mixture of thermoplastic modifiers, consisting of polysulphone and polyetherimide in a ratio from 1:3 to 3:1, with the following ratio of components, wt.p.: dianic epoxy resin - 100, mixture of thermoplastic modifiers - 1-25, diaminodiphenylsulphone - 35-50.EFFECT: increase of toughness, strength and thermal resistance of the binding agent.2 tbl, 8 ex

Composition based on natural caoutchouc and polyamine compound // 2545570
FIELD: chemistry.SUBSTANCE: invention relates to the field of industrial rubber compositions, intended for obtaining a semiproduct for tyres. A reinforced rubber composition based on at least (a) an elastomer matrix, containing non-halogenated natural caoutchouc, (b) a reinforcing filling agent, (c) a special polyamine compound, present in an amount from more than 0 to less than 7 mmol per 100 g of an elastomer.EFFECT: invention provides the improved hysteresis of the rubber composition properties.15 cl, 10 tbl
Composition for producing hydrophobic fire- and water-resistant films based on polyvinyl alcohol (versions) // 2520489
FIELD: chemistry.SUBSTANCE: composition for producing hydrophobic fire- and water-resistant films contains aqueous solution of polyvinyl alcohol, formaldehyde and an acid curing catalyst - phosphoric acid, a dispersion of solid amino plastic particles based on products of condensation of formaldehyde with urea in form of fine particles of a urea-formaldehyde resin, with overall molar ratio of the mixture of amines to formaldehyde of 1:0.8-1.3, diethanolamine, a water repellent in form of a 50% aqueous dispersion. In a second version, the composition contains a mixture of carbamide with 10-30% melamine besides formaldehyde.EFFECT: obtaining fire-resistant films endowed with water-repellent properties and water-resistance.5 cl, 3 tbl

Polymer composition // 2506291
FIELD: chemistry.SUBSTANCE: present invention relates to production of polymer compositions based on epoxy resins and modified amine curing agents, intended for producing high-strength composite materials with high resistance to thermal deformation. Described is a polymer composition based on epoxy resin, active epoxy diluents and nitrogen-containing curing agents intended for producing high-strength composite materials with high resistance to thermal deformation, characterised by that the curing agent is a product of reaction of an amine component with monocarboxylic acids, using as the amine component a mixture consisting of a primary aromatic amine or a mixture of aromatic amines (A), a secondary aliphatic amino alcohol (B) and a tertiary aliphatic amino alcohol (C) in weight ratio A:B:C from 98:0.2:1.8 to 80:5:15, and a monocarboxylic acid (D) is added in form of a 25-80% solution to the monoatomic aliphatic or aromatic alcohol, or ester thereof with a mono- or dicarboxylic acid, in ratio (A+B+C):D from 90:10 to 60:40 per 100% acid, followed by reaction by mixing in a reactor at temperature ranging from 50 to 130°C for 20 to 120 minutes and mixer speed of 100 to 3000 rpm, and additionally contains a thickener, a pigment or a dye, wherein the composition contains the following in pts.wt: epoxy resin - 100, active epoxy diluent - 5-130, curing agent - 15-110, thickener - 5-50, pigment and dye - 0.5-25.EFFECT: obtaining compositions having a long life during processing, having in a cured state high resistance to thermal deformation and improved dielectric properties.2 tbl, 7 ex

Vulcanising polymer composition, method for production thereof, polymer vulcanisate and method for production thereof // 2506286
FIELD: chemistry.SUBSTANCE: invention relates to a vulcanising polymer composition, a polymer vulcanisate obtained from the polymer composition and a method for production thereof. The vulcanising polymer composition contains (i) a hydrogenated polymer having a polymer backbone chain formed from (ia) 25-89.5 wt %, preferably 30-80 wt % and more preferably 45-75 wt % with respect to the polymer of a first monomer, which includes at least one secondary carbon atom and a tertiary carbon atom into the polymer backbone chain, such as at least one diene monomer, and (ib) 10-74.9 wt %, preferably 10-60 wt %, more preferably 15-55 wt %, even more preferably 20-50 wt % with respect to the polymer of a second monomer, such as an α,β-ethylenically unsaturated nitrile monomer; (ic) 0.1-20 wt %, preferably 0.5-20 wt %, more preferably 1-15 wt %, even more preferably 1.5-10 wt % with respect to the polymer of at least one monomer of a monoester of α,β-ethylenically unsaturated dicarboxylic acid, a monomer of α,β-ethylenically unsaturated dicarboxylic acid, a monomer of an anhydride of α,β-ethylenically unsaturated dicarboxylic acid or a diester of α,β-ethylenically unsaturated dicarboxylic acid as a third monomer, where the total content of all monomer links given in (ia), (ib) and (ic), is equal to 100 wt %; (ii) at least one cross-linking agent - polyamine, and (iii) at least one bi- or polycyclic amine-base which is selected from a group comprising 1,5-diazabicyclo[4,3,0]-5-nonene (DBN), 1,4-diazabicyclo[2.2.2]octane (DABCO) 1,5,7-triazabicyclo[4.4.0]dec-5-ene (TBC), 7-methyl-1,5,7-triazabicyclo[4.4.0]dec-5-ene (MTBD) and derivatives thereof. The invention also relates to a polymer vulcanisate and a method for production thereof.EFFECT: obtained vulcanisates demonstrate high cross-link density and have improved properties.16 cl, 17 tbl, 15 ex

Composition for gluing mineral fibres and materials made therefrom // 2501826
FIELD: chemistry.SUBSTANCE: composition contains a liquid phenol resin, having free formaldehyde content lower than or equal to 0.1 wt % per total weight of the liquid, and a compound which is capable of reacting with free formaldehyde. The liquid phenol resin is substantially formed by phenol-formaldehyde and phenol-formaldehyde amine condensates and has pH below 7 and water dilution capacity at temperature of 20°C of at least 1000%. The compound which is capable of reacting with free formaldehyde is selected from a group of compounds with active methylene group(s), alcohols, phenol compounds, amines, amides, hydrazides, nitrogen-containing aromatic heterocyclic compounds, sulphites, sulphamates, imides, natural products and sulphur dioxide.EFFECT: invention enables to reduce toxicity of the gluing composition and material with use thereof, storage stability thereof and enables application of the composition by pulverisation.19 cl, 2 tbl, 14 ex

Adhesive composition for mineral fibres and products made therefrom // 2501825
FIELD: chemistry.SUBSTANCE: composition contains a liquid phenol resin with free formaldehyde content of less than or equal to 0.1% of the total weight of the liquid, and a diluent. The liquid phenol resin basically consists of products of condensation of phenol with formaldehyde and phenol with formaldehyde and an amine and has pH below 7. The diluent is selected from carbohydrates, lignin derivatives, particularly lignosulphonates, and animal or plant proteins.EFFECT: invention enables to reduce toxicity of the composition by reducing residual formaldehyde, improves stability thereof and enables application thereof on fibre by spraying.13 cl, 1 tbl, 3 ex
Composite material based on hydrogenated butadiene-nitrile rubber and acrylic rubber // 2492193
FIELD: chemistry.SUBSTANCE: invention relates to production of composition material based on hydrogenated butadiene-nitrile rubber and acrylic rubber and can be used in making heat-resistant rubber plates, rubber-coated shafts and rubber sealing components. The composite material based on hydrogenated butadiene-nitrile rubber and acrylic rubber contains a metal stearate, sulphenamide TS, thiuram, D, a quaternary ammonium base, stearic acid, zinc oxide, a mixture of diaphene FP and acetonanyl R, technical carbon, N,N'-dithiodimorpholine, 2,2-dibenzthiazole disulphide, 1,2-polybutadiene, N-cyclohexyl thiophthalimide and a process additive.EFFECT: invention improves rheologic properties, widens the range of physical-mechanical and low-temperature properties of the composite material while retaining deformation properties, as well as the possibility of processing by a moulding and non-moulding technique.3 cl, 2 tbl

Vulcanisable butadiene-nitrile rubber based adhesive composition // 2492192
FIELD: chemistry.SUBSTANCE: invention relates to production of a vulcanisable butadiene-nitrile rubber based adhesive composition which is processed by pressure casting to make rubber sealing components for hydraulic and pneumatic devices. The vulcanisable rubber mixture contains the following, pts.wt: butadiene-nitrile rubber - 90-99, acrylic rubber - 1-10, sulphur - 0.1-1.0, zinc oxide - 3-10, technical carbon - 60-120, stearic acid - 0.5-2.0, tetramethylthiuram disulphide - 1-4, N-cyclohexyl-2-benzthiazolyl suphenamide - 1-2, quaternary ammonium salt - 0.1-2.0, metal stearate - 0.1-2.0, N-phenyl-N'-isopropyl-n-phenylenediamine - 1.0-1.5, 2,2,4-trimethyl-1,2-dihydroquinoline - 1-2, plasticiser - 5-20, and a process additive - 0.5-4.0.EFFECT: disclosed rubber mixture increases resistance to accumulation of residual compressive deformations during thermal ageing while preserving elastic properties of the mixture, reduces viscosity in order to make sealing components by pressure casting.2 tbl
Catalysts and method of olifin hydroamination // 2490064
FIELD: chemistry.SUBSTANCE: invention relates to catalysts of olefin hydroamination, their obtaining and application. Claimed is lithium-ligated hydroamination catalyst, which contains boron-beta-zeolites, molar ratio of boron atoms to lithium atoms constituting from 5:1 to 50:1. Also described is method of obtaining amines by converting ammonium or primary, respectively secondary amines with olefins at higher temperatures and pressure in presence of said hydroamination catalyst. Claimed is method of obtaining raw material for rubber industry: vulcanisation accelerators, methods of plant protection or pharmaceutical preparations with application of tert-butyl amine preliminarily obtained by method described above.EFFECT: increased amine output.10 cl, 1 tbl, 13 ex

Hydrogen sulphide scavengers and methods of removing hydrogen sulphide from asphalt // 2489456
FIELD: chemistry.SUBSTANCE: method involves adding a composition of a hydrogen sulphide scavenger to asphalt. The hydrogen sulphide scavenger contains a polyaliphatic amine of formula 1: H2NRNH - (RNH)n - H (1), where R is an aliphatic radical and ranges from 0 to about 15 and a catalyst of formula 2: R1R2R3R4N+X- (2), where each of R1, R2, R3 and R4 independently represents an alkyl group containing 1-20 carbon atoms, a hydroxyalkyl group containing 1-20 carbon atoms, or an aryl group containing 6-20 carbon atoms and X represents a halide or methyl sulphate. Asphalt is treated with said composition.EFFECT: low content of hydrogen sulphide in asphalt.25 cl, 2 dwg, 2 ex
Hardening mixture // 2487149
FIELD: chemistry.SUBSTANCE: hardening mixture for vulcanising materials based on liquid siloxane rubber consists of two prepared and separately stored components (component No1 and component No2) which are joined when mixed before adding to the siloxane material to be hardened; component No1 contains ethyl silicate, an organic tin salt and polyethylene polyamine; component No2 contains polymethylsiloxane, active silicon dioxide and organochlorosilane.EFFECT: obtaining a strong and elastic vulcanisate while cutting duration of the vulcanisation process.2 cl, 4 tbl, 22 ex

Butyl rubber-based mixtures containing three-component mixed modifier system // 2485148
FIELD: chemistry.SUBSTANCE: invention relates to rubber mixtures which are especially suitable for tyre treads. The rubber moulding composition for making tyre treads contains a halobutyl elastomer, at least one additional elastomer, mineral filler and at least a three-component mixed system of modifiers which contains silane, phosphine and an additive which contains at least one hydroxyl group and a functional group which contains a basic amine, the modified being added in an amount which provides a) ultimate elongation of samples of at least about 300%; b) tangent δ at 0°C greater than 0.36; c) tangent δ at 60°C less than 0.120; d) abrasion volume loss (DIN) less than 165 mm3; e) breaking strength greater than 13.0 MPa. A method of preparing said mixtures is also disclosed.EFFECT: mixtures are especially suitable for tyre treads and exhibit improved processing characteristics, traction force, rolling resistance and wear resistance.16 cl, 6 dwg, 48 ex

Polymer composition // 2478671
FIELD: chemistry.SUBSTANCE: invention relates to preparation of polymer compositions based on epoxy resins and cycloaliphatic dioxides, which are meant for making large-sized articles from composite materials. The composition is based on a mixture of epoxy resins and products of epoxidation of 2-4-atomic alcohols in ratio of 99:1 to 1:99. The curing agent is a product of reaction of an acid (A) - a compound of general formula R2-R1-COOH, where R1 is an aliphatic, cycloaliphatic, aromatic hydrocarbon or heterocyclic fragment, R2 is a substitute - Cl, -F, -NH2, -NH-, -OH, -CH=CH-, -CH=CH, amine (B) - di- or polyamine of an aliphatic, cycloaliphatic or aromatic type together with a polyatomic alcohol containing 2-6 hydroxyls in one molecule (C). Components in ratio A:B:C from 70:29:1 to 20:70:10 are mixed in a medium of a di- or tricarboxylic acid ether and a monoatomic alcohol at temperature of 20-80°C for 10-120 minutes. The obtained ternary reaction product is mixed with a eutectic mixture of aromatic amines in a ratio ranging from 5:95 to 95:5 and with lactone or lactam. The composition contains the following (pts.wt): resin part -100, curing agent - 20-100, lactone or lactam - 3-30.EFFECT: invention enables to obtain a composition with a long working life, low peak temperature when curing, improved elastic and strength properties of the composition after exposure to temperature of 180°C.2 tbl, 8 ex

Epoxide composition // 2478669
FIELD: chemistry.SUBSTANCE: invention relates to preparation of epoxide compositions for making high-strength polymer materials. The composition is based on a mixture of di- and polyepoxy resins and modifiers. The modifiers are products of epoxidation of 2-4-atomic alcohols in a ratio from 99:1 to 1:99. The curing agent is a product of reaction of an acid (A) - a compound of general formula R2-R1-COOH, where R1 is an aliphatic, cycloaliphatic, aromatic hydrocarbon or heterocyclic fragment, R2 is a substitute - Cl, -F, -NH2, -NH-, -OH, -CH=CH-, -CH=CH, amine (B) - di- or polyamine of an aliphatic, cycloaliphatic or aromatic type together with a polyatomic alcohol containing 2-6 hydroxyls in one molecule (C). The ratio A:B:C ranges from 70:29:1 to 20:70:10. The components are mixed in a medium of a di- or tricarboxylic acid ether and a monoatomic alcohol at temperature of 20-80°C for 10-120 minutes. The obtained ternary reaction product is mixed with a eutectic mixture of aromatic amines with melting point from -10°C to 90°C with the ratio of the reaction product to the eutectic mixture of aromatic amines ranging from 5:95 to 95:5. The composition contains the following (pts.wt): resin part -100, curing agent - 20-100.EFFECT: invention enables to obtain compositions with a longer working life and a low peak temperature when curing.2 tbl, 8 ex

ethod of producing curing agents of epoxy resins // 2476452
FIELD: chemistry.SUBSTANCE: invention relates to a method of producing curing agents of epoxy resins involving an operation for reacting amines with monocarboxylic acids. The method is characterised by that the amine component used is a mixture consisting of a primary aromatic amine or a mixture of aromatic amines (A), a secondary aliphatic amino alcohol (B) and a tertiary aliphatic amino alcohol (C) in weight ratio A:B:C from 98:0.2:1.8 to 80:5:15. The monocarboxylic acid (D) is used in form of a 25-80% solution in a monoatomic aliphatic or aromatic alcohol, or ester thereof with a mono- or dicarboxylic acid, in ratio (A+B+C):D from 90:10 to 60:40 per 100% acid. The reaction process is then carried out by mixing in a reactor at temperature ranging from 50 to 130°C for 20 to 120 minutes and speed of the mixer of 100 to 3000 rpm.EFFECT: curing agents obtained using said method have high stability during storage.1 cl, 7 ex, 1 tbl

Polymer composition based on moisture-curable urethane siloxane rubber // 2475509
FIELD: chemistry.SUBSTANCE: invention relates to production of polymer composite materials - sealants, adhesive sealants and coatings based on moisture-curable urethane siloxane liquid rubber and can be used in car and transport engineering, shipbuilding, refrigeration engineering and in the construction industry. The polymer composition consists of the following, wt %: urethane siloxane liquid rubber - 10-25, plasticiser - 10-25, calcium carbonate filler - 40-65, titanium dioxide and/or zinc oxide - 0-5, antioxidant - 0.2-0.8, thixotropic agent - 0-5, drying agent - 0.5-0.8. Calcium carbonate is selected from a group of fractions with a different degree of dispersion or combinations thereof, wherein the combination of each fraction according to particle size is at least 4-10 times greater or less than the previous or next on dispersion. The curing agent used in the composition is in form of tertiary amines selected from trialkylamine, dialkylarylamine and/or diazobicycloalkane. The adhesion promoter is an organo-functional alkoxy silane with primary and/or secondary amine groups. In another version, the composition contains a curing agent in form of tin dibutyl dilaurate and an adhesion promoter with a balanced ratio thereof.EFFECT: invention improves technological parameters, operational characteristics of the composition, provides reliable adhesion to different materials and enables wide range control of the curing time of the composition while saving raw materials and other materials.5 cl, 2 tbl

ethod of transferring heat to liquid mixture containing at least one (meth)acrylic monomer // 2469054
FIELD: chemistry.SUBSTANCE: invention relates to a method of transferring heat to a liquid mixture containing at least one (meth)acrylic monomer selected from a group comprising acrylic acid, methacrylic acid, hydroxyethyl acrylate, hydroxyethyl methacrylate, hydroxypropyl acrylate, hydroxypropyl methacrylate, glycidyl acrylate, glycidyl methacrylate, methyl acrylate, methyl methacrylate, n-butyl acrylate, isobutyl acrylate, isobutyl methacrylate, n-butyl methacrylate, tert-butyl acrylate, tert-butyl methacrylate, ethyl acrylate, ethyl methacrylate, 2-ethylhexyl acrylate and 2-ethylhexyl methacrylate, through an indirect heat exchanger on whose primary side a fluid heat carrier flows and on whose secondary side simultaneously flows said liquid mixture containing at least one (meth)acrylic monomer, wherein the liquid mixture containing at least one (meth)acrylic monomer, in order to reduce contamination, additionally contains at least one active compound other than (meth)acrylic monomers which is selected from a group consisting of tertiary amines, salts formed from a tertiary amine and a Bransted acid, and quaternary ammonium compounds, under the condition that none of the tertiary and quaternary nitrogen atoms in the at least one active compound bears a phenyl group but at least some of said tertiary and quaternary nitrogen atoms bear at least one alkyl group.EFFECT: improved method.15 cl, 16 ex

Polydicyclopentadiene-containing material and method for production thereof (versions) // 2465286
FIELD: chemistry.SUBSTANCE: described is material (version) which contains 1-99.8 wt % polydicyclopentadiene, 0.05-0.99 wt % antioxidant selected from: sterically hindered phenols, phenol derivatives, sterically hindered amine bases, 0.05-0.99 wt % saturated or unsaturated elastomer, 0.000018-0.00010 wt % catalyst; the rest of the amount of the material is modifying additives, which can be contained both separately and together in form of their different combinations, wherein the modifying additives are selected from a group A) cyclopentene, cyclooctene, cyclooctadiene, norbornene, norbornadiene; B) cyclopentadiene trimers and/or tetramers; C) dyes; D) compounds which alter activity of the catalyst system, selected from: amines, phosphines, phosphites, phosphoramides, organoaluminium compounds; E) filler materials, selected from: chopped glass or carbon fibres with diameter of 6-17 mcm and length 4-24 m, as well as structural glass, carbon and basalt fabric with thickness of 0.20-0.87 mm and density of 250-900 g/m2; F) multi-wall carbon nanotubes with 2-20 walls and diameter of 7-30 nm. Described is a method of producing said material, which contains polydicyclopentadiene, involving mixing, in any sequence, dicyclopentadiene, catalyst, antioxidant, elastomer and modifying additives with subsequent polymeriseation of the obtained reaction mass while heating from 30 to 210°C. Described also is material (version) which contains 1-98.9 wt % polycyclopentadiene and 1-98.9 wt % "полиэндикатов", and containing an antioxidant, an elastomer, a catalyst and modifying additives, the quality and amount of which correspond to said version of the material. Described is a method of obtaining said material, which involves further addition of "полиэндикатов" to the reaction mass before polymerisation.EFFECT: high impact viscosity and glass-transition temperature of the obtained material owing to addition of small amounts of elastomer into the reaction mass, reduced amount of antioxidant used, high rate of polymerisation and possibility of using starting material with different purity.30 cl, 26 ex

Vulcanised polymer nanocomposite and methods of producing polymer nanocomposite (versions) // 2461590
FIELD: chemistry.SUBSTANCE: nanocomposite contains a butyl rubber ionomer which contains repeating units obtained from at least one isoolefin monomer, where at least 3.5 mol % of the repeating units are obtained from at least one multi-olefin monomer and at least one nitrogen- or phosphorus-based nucleophile, and filler with aspect ratio from 1:3 to 1:200, contained in the butyl rubber ionomer. In one version of the present invention, the nanocomposite contains ionomers which are obtained in situ during formation of the nanocomposite, which leads to the inclusion of the ionomer into the nanocomposite. The method involves obtaining a bromated butyl rubber polymer; adding a modifier containing a nitrogen- or phosphorus-based nucleophile; adding filler; mixing the polymer, modifier and filler; vulcanising the nanocomposite.EFFECT: nanocomposites demonstrate improved air-tightness and stretching properties compared to existing nanocomposites obtained using conventional bromated butyl rubber.14 cl, 11 tbl, 36 ex

Acrylic rubber composition and curing product thereof // 2451701
FIELD: chemistry.SUBSTANCE: invention relates to acrylic rubber compositions which are used to make industrial rubber products, e.g., rubber hose, sealing articles, rubber vibration insulators etc. The composition contains carboxyl group-containing acrylic rubber, a diazabicycloalkene compound, a polyamine compound and a tertiary amine compound of formula (1), where each of R1, R2 and R3 independently denotes a substitute containing at least one saturated aliphatic hydrocarbon or an unsaturated aliphatic hydrocarbon with a linear structure, a branched structure or a cyclic structure, or a benzyl group. The polyamine compound is an aromatic polyamine of formula (2): H2N-Ph-M-Ph-NH2 (2) where M denotes O, S, SO2, CONH or O-R-O; R in O-R-O is Ph, Ph-Ph, Ph-SO2Ph, (CH2)m, m ranges from 3 to 5, Ph-CH2-C(CX3)2CH2-Pn, where X is H or F, or (CH2)C(CH3)2(CH2); Ph denotes a benzene ring.EFFECT: good curing parameters and excellent combination of processability, mechanical properties of rubber and compression set of acrylic rubber compositions and curing products thereof.9 cl, 5 tbl, 18 ex
Gelcoat composition for glass fibre articles // 2437910
FIELD: chemistry.SUBSTANCE: invention is meant for articles made from polymer composite materials based on epoxy resins. The invention can be used in production of structural elements of different shape for small aircraft, made in a matrix. The composition contains binder in form of a mixture of epoxydiane resin and an active diluent, a hardener - cycloaliphatic amine with Aerosil and a pigment paste in form of a mixture of titanium dioxide with an active diluent and an additive.EFFECT: improved composition properties.8 cl, 2 tbl
Unsaturated carbon-chain natural rubber-based rubber modifier // 2436813
FIELD: chemistry.SUBSTANCE: modifier is a mechanical mixture of molecular complexes of hexamethylene tetramine and fumaric acid and hexamethylene tetramine and maleic acid, in which the proton donor used is fumaric acid and maleic acid, taken in weight ratio hexamethylene tetramine: proton donor equal to 1:0.86.EFFECT: proposed engineering solution enables to widen the raw material base of the rubber industry, increase the strength of the bond between rubber and textile and metallic reinforcing materials, and improve physical and mechanical properties of vulcanising agents.3 ex, 6 tbl

Peroxide-curable rubber mixture containing halobutyl ionomers with high content of multi-olefin // 2429254
FIELD: chemistry.SUBSTANCE: peroxide-curable rubber compound contains a peroxide curing substance and a halobutyl ionomer with high content of multi-olefin. The halobutyl ionomer is obtained via polymerisation of a mixture of monomers containing 80-95 wt % isobutene monomer and 4-20 wt % isoprene monomer in the presence of AlCl3 and a source of protons and/or carbocationic compound or silyl cationic compound, capable of initiating polymerisation and 0.01-1.0 wt % multi-olefin cross-linking agent to obtain a butyl polymer with high content of multi-olefin, halogenation of the butyl polymer and reaction thereof with a phosphorus-based nucleophile.EFFECT: invention enables to obtain a heat resistant peroxide-curable compound with a halobutyl ionomer with high content of multi-olefin and to obtain a moulded article from said compound without inorganic impurities.13 cl, 2 tbl, 4 ex

Polyurethane composition // 2427599
FIELD: chemistry.SUBSTANCE: polyurethane composition contains a prepolymer - a product of reacting 1.0 mol of polyethylene butylene glycol adipate with molecular weight 2000 and 2.2-2.3 moles of a mixture of 2,4-toluene diisocyanate and 2,6-toluene diisocyanate in ratio 80:20, a hardener based on 3,3'-dichloro-4,4'-diaminodiphenyl methane and low-molecular polyesters with molecular weight 400-1000 in weight ratio 35:65, as well as an oxypropylated ethylenediamine catalyst and a dye.EFFECT: improved processing and operational characteristics, longer working life of the composition, adhesion strength and endowing the composition with the required viscosity.4 tbl

Catalytic mixture for hardening siloxane rubber // 2424260
FIELD: chemistry.SUBSTANCE: invention discloses a catalytic mixture for curing siloxane rubber, containing the following (wt %): an amine compound selected from diethylamine, hexamethylenediamine and polyethylenepolyamine (5.0-30.0); an organic tin salt selected from tin diethyldicaprylate and tin dibutyldilaurinate (up to 5.0), and ethylsilicate (the rest).EFFECT: preparation of a low-toxicity, non-corrosive composition which ensures stability of the mixture during prolonged storage, which can be used to prepare cold curing compositions based on siloxane rubber used as thermo-, frost-, tracking resistant moulding materials, saturating compositions and coatings.1 cl, 2 tbl

Silicon dioxide filled elastomeric mixtures // 2418826
FIELD: chemistry.SUBSTANCE: invention relates to a vulcanised elastomer and a method of producing a vulcanised filled halogenated butyl elastomer. The halogenated butyl elastomer is mixed with silicon dioxide and oligomeric polyol. The polyol is selected from polyoxypropylene derivatives of trimethylol propane or polyoxypropylene derivatives of ethylene diamine, or is a mixture of an oligomeric polyol and an additive. The additive contains a hydroxyl group and a functional group which contains an amine basic group. Further, the obtained mixture undergoes vulcanisation.EFFECT: invention enables to obtain a filled halogenated butyl elastomer with higher resistance to stretching, resistance to abrasive wearing and high procuring resistance.14 cl, 2 dwg, 2 tbl, 6 ex

Rubber composition for filling sides and tyres with side filler made from said rubber mixture // 2395541
FIELD: chemistry.SUBSTANCE: invention relates to a rubber mixture for filling sides and tyres with a side filler made from the said rubber mixture. The said rubber mixture contains the following: 5-25 pts. wt phenol resin and/or modified phenol resin; 5.1-7.0 pts wt sulphur; 0.5-2.5 pts. wt hexamethylenetetramine; 2.0-5.0 pts. wt sulfenamide vulcanisation accelerator and/or thiazole vulcanisation accelerator; 0.1-5 pts. wt of at least one auxiliary substances for accelerating vulcanisation selected from a group consisting of citraconimide based compounds, a product of condensation of alkylphenol and sulphur chloride, an organic thiosulphate compound and a compound of the following basic formula: R'-S-S-A-S-S-R2, where A is an alkylene group containing 2-10 carbon atoms, and each of R1 and R2 is a univalent organic group containing a nitrogen atom per 100 pts. wt of diene rubber.EFFECT: higher technological effectiveness of extrusion through optimisation of the rate of vulcanisation, improved hardness, stability of controlling an automobile and reduced specific fuel consumption.6 cl, 6 ex, 2 tbl, 5 dwg

ethod of producing halogenated butyl elastomer with filler // 2395533
FIELD: chemistry.SUBSTANCE: invention relates to elastomers, particularly to a method of producing halogenated butyl elastomer with filler. The method mixing at least one halogenated butyl elastomer with at least one mineral filler. Before missing with the said halogenated butyl elastomer, the mineral filler is first reacted with at least one organic compound which contains at least one nitrogen-containing basic group and at least one hydroxyl group, and at least with one silazane compound.EFFECT: avoiding release of alcohol during production and during subsequent use of the article made from filled halogenated butyl elastomer, which then improves processing of the composition into the article, as well as increase in breaking strength and resistance to abrasive wear of the article.13 cl, 8 dwg, 8 tbl, 8 ex

Aqueous binder composition for mineral fibre, method of making articles using said composition and articles // 2377263
FIELD: chemistry.SUBSTANCE: invention relates to technology of making articles using mineral fibre with improved hydrolytic stability, specifically to preparing aqueous binder which binds said article. The aqueous binder composition for mineral fibre contains a water soluble binding component, obtained by reacting at least one alkanolamine with at least one carboxylic acid anhydride and, optionally, treated with a base and at least one compound which improves hydrolytic stability, selected from monoalkanolamines; allylamines; peroxide compounds; compounds with at least one long aliphatic chain and at least one functional group and styrene-butadiene rubber (SBR).EFFECT: obtaining binder with excellent binding characteristics relating to strength and rate of hardening, with good solubility in water and exhibits considerably improved hydrolytic stability.19 cl, 2 tbl, 15 ex
Jet printing ink containing amine and phthalocyanine dye, characterised by improved ozone resistance // 2371462
FIELD: chemistry.SUBSTANCE: group of inventions relates to jet printing ink with improved ozone resistance. The jet printing ink composition contains metallised phthalocyanine dye and a liquid base, which is the carrier for the dye and contains an amine additive. The amine additive is in concentration sufficient for increasing ozone resistance of the ink, wherein the increase is determined by comparing ozone resistance of the ink to control jet printing ink which does not contain amine additive. The method of printing images involves applying a jet of the jet printing composition onto a print carrier coated with an ink sensitive layer. The ink sensitive layer used is a layer which contains particles of semimetal oxide or metal oxide.EFFECT: design of ink for jet printing on photocarriers which contain semimetal oxide or metal oxide, with reduction of effect of atmospheric ozone.6 cl, 4 tbl, 2 ex

Lightproof and heat-resistant composition // 2351621
FIELD: chemistry.SUBSTANCE: invention refers to lightproof and/or heat-resistant composition, method of production, to threads, fibres and/or filaments, as well as to textile product. The composition contains the following components: polyamide matrix, at least, one lightproof and/or heat-resistance stabilising agent containing, at least, one hindered functional amino group, titanium dioxide and manganese salt. Method of producing the composition consists that, at least, one lightproof and/or heat-resistance agent, titanium dioxide and manganese salt are introduced to polyamide base monomers before or with polymerisation. Threads, fibres and/or filaments are made of cast composition. Textile product contains, at least, threads, fibres and/or filaments made of above-stated composition.EFFECT: improved lightproof and/or heat-resistance of the compositions, and textile products of high colour retention.15 cl, 3 tbl, 8 ex
 
2551094.
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