Carboxylic acid amides (C08K5/20)

Glass-filled composition based on polyphenylenesulphide // 2635136
FIELD: chemistry.SUBSTANCE: polymer composition contains polyphenylene sulfide, fibreglass, polydimethylsiloxane, sterically hindered phenol, or aminophenol and sterically hindered phosphite.EFFECT: improving the thermal, technological, strength, and performance characteristics.1 tbl
2-oxo-1,3-dioxolane-4-carboxamides, their production and application // 2632903
FIELD: chemistry.SUBSTANCE: invention relates to 2-oxo-1,3-dioxolane-4-carboxamides of formula (I), where R1 and R2, in each case independently of one another, are selected from H, unbranched or branched or cyclic groups of C1-12-alkyl, and R3 is H, or R1 and R3 each represents H, and R2 is an n-valent radical in the form of unbranched or branched groups of C2-22-alkylene, where n is 2-3, and which is substituted with n-1 additional groups of 2-oxo-1,3-dioxolane-4-carboxamide of the general formula (II), methods of preparing these 2-oxo-3-dioxolane-4-carboxamides based on 2-oxo-1,3-dioxolane-4-carboxylic acids of the formula (III), and also to the use of the said 2-oxo-1,3-dioxolane-4-carboxamides for the production of (poly) hydroxyurethanes, hydroxycarbonates and gidroxysulfonyl formiates, and as end groups for the blocking amines.EFFECT: simplifying the process and increasing the yield.13 cl, 2 tbl, 14 ex
Composition based on thermoplastic polymer // 2630221
FIELD: chemistry.SUBSTANCE: composition comprises a polyolefin polymer and a nucleating agent containing a compound corresponding to the structure of formula .EFFECT: articles obtained from thermoplastic polymer compositions of the present invention are characterised by the desired combination of a higher peak recrystallization temperature of the polymer and improved physical properties such as haze, tensile strength, stiffness and barrier properties.20 cl, 65 tbl
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

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

High latency curing agents for epoxy resins // 2586687
FIELD: chemistry.SUBSTANCE: present invention relates to novel characterised by high latency liquid curing agents for hardening curable polymer resins. Disclosed is a liquid curing agent for curing curable polymer resins, particularly epoxy resins, involving: a) hydrogen; b) at least one urea derivative of formula (I) or formula (II), where R1 and R2 simultaneously or independently represent hydrogen, C1-C15 alkyl, C3-C15 cycloalkyl or together form a ring C3-C10 alkylene; R3 - hydrogen, C1-C15 alkyl, C3-C15 cycloalkyl, aryl, arylalkyl, -NHC(O)NR1R2-substituted C1-C15 alkyl, -NHC(O)NR1R2-substituted C3-C15 cycloalkyl, -NHC(O)NR1R2-substituted aryl or -NHC(O)NR1R2-substituted arylalkyl; R4, R5, R6, R7 and R8 simultaneously or independently represent hydrogen, halogen, C1-C15 alkyl, C3-C15 cycloalkyl, aryl, arylalkyl,-CF3, -NHC(O)NR1R2, -NHC(O)NR1R2-substituted C1-C15 alkyl, -NHC(O)NR1R2-substituted aryl or -NHC(O)NR1R2-substituted arylalkyl; and c) at least one stabiliser selected from a group comprising inorganic or organic acids. Invention also discloses an epoxy composition and polyurethane resins and composite material using said hardener and versions of using liquid hardener. EFFECT: technical result is disclosed hardener has high latency and high reactivity at temperature of hardening.12 cl, 8 tbl

Rubber mixture and tyre made from said mixture // 2569854
FIELD: chemistry.SUBSTANCE: invention relates to a rubber mixture (versions), a tyre and a method of reducing viscosity of unvulcanised rubber (versions). The rubber mixture is obtained by blending at least one rubber component selected from natural rubber and/or diene-based synthetic rubber, with white filler and at least one monoalkanolamine of formula where R1 is an alkyl group or an alkenyl group having 1-13 carbon atoms, wherein the alkyl group and the alkenyl group can be of any type: straight (normal type), branched type or cyclic type; and R2 denotes a hydroxyalkyl group or a hydroxyalkyl group having an oxyalkylene link.EFFECT: obtaining a rubber mixture having improved silicon dioxide dispersity and which can also be improved when heating during deformation and has improved processability without increasing viscosity of unvulcanised rubber and slowing the vulcanisation rate.10 cl, 5 tbl, 28 ex

Using organic gelling agent derivatives in bitumen compositions to improve chemical stress resistance thereof // 2566773
FIELD: chemistry.SUBSTANCE: invention relates to use, in a bitumen composition, of an organic gelling agent derivative, having molar mass of not more than 2000 g/mol and includes at least one hydrogen bond donor D, at least one hydrogen bond acceptor A and at least one compatibiliser C in the bitumen. The compatibiliser C includes a group selected from: at least one straight hydrocarbon chain including at least 4 carbon atoms, at least one aliphatic ring with 3-8 atoms, at least one aromatic ring, at least one aliphatic or partially or entirely aromatic condensed polycyclic system, where each ring includes 5-6 atoms, taken alone or as a mixture, excluding N,N'-ethylene bis(stearamide) and certain aliphatic polyamines.EFFECT: use of the additive improves resistance of bitumen compositions to petroleum hydrocarbons.17 cl, 3 tbl

Additive compositions and thermoplastic polymer compositions containing them // 2553300
FIELD: chemistry.SUBSTANCE: invention refers to additive compositions and thermoplastic polymer compositions containing them. A method for producing the thermoplastic polymer composition involves the stages of providing a thermoplastic polymer and an additive composition separately, and then mixing the thermoplastic polymer and additive composition; the additive composition contains a clearing agent specified in a group consisting of tris-amides, aluminium 2,2'-methylene bis-(4,6-di-tert-butylphenyl) phosphate, lithium 2,2'-methylene bis(4,6-di-tert-butylphenyl) phosphate, mononcarboxylate compounds and acetal compounds, and a colouring agent; the colouring agent is present in the composition in an amount to produce the yield amount CIE L*, a*, and b*, and falling within the certain colour space. Another version for producing the thermoplastic polymer composition involves the stages of providing the thermoplastic polymer, clearing agent and colouring agent, and mixing the thermoplastic polymer clearing agent and colouring agent; the colouring agent is present in the composition in the amount to produce the yield amount CIE L*, a*, and b* falling within the certain colour space.EFFECT: invention enables improving the physical properties of the thermoplastic polymers.48 cl, 2 dwg, 6 tbl

Polymer composition for filling piezoceramic transmitting-receiving modules // 2552740
FIELD: chemistry.SUBSTANCE: invention relates to chemical engineering for producing sealants and filling compounds and is intended for use in producing piezoceramic devices, particularly when producing ultrasonic transmitting-receiving modules for contactless fuel level sensors. The polymer composition includes epoxy diane resin, epoxy aliphatic resin, filling agents, an amine curing agent, modifying additives - cyclohexanol and a mixture of 2,4- and 2,6-isomers of toluene diisocyanate, and a filling agent. The filling agent in the composition is tungsten (VI) oxide and chromium (III) oxide. The polymer composition has high sound speed and acoustic impedance.EFFECT: transmitting-receiving modules for fuel level sensors filled with the polymer composition have a high conversion coefficient and vibration resistance.1 tbl, 8 ex

Polyamide resin-based composition and moulded product // 2540661
FIELD: chemistry.SUBSTANCE: invention relates to composition based on polyamide resin for manufacturing moulded products. Composition contains polyamide, consisting of diamine units, containing units of 1,3-bis(aminomethyl)cyclohexane and units of dicarboxylic acid, including units of adipic and/or sebacic acid, (B) compounds of aromatic secondary amine, (C) organic sulphur-based compound and (D) phenolic oxidant. Weight ratio of components (B)/(C) in said composition constitutes from 0.5 to 10 and weigh ratio (D)/(C) in composition constitutes from 0.5 to 10. Polyamide resin-based composition is characterised by the fact that it has oxygen permeability coefficient not higher than 1.5 cubic cm·mm/m2.day·atm at temperature 23°C and relative humidity 75%. Moulded product, in particular hose or pipe is also described.EFFECT: increased resistance to thermal ageing with preservation of gas-barrier properties of polyamides and products manufactured from them.14 cl, 1 tbl, 16 ex

Composition of bimodal polyethylene for obtaining products by pressure moulding // 2534611
FIELD: chemistry.SUBSTANCE: invention relates to a bimodal polyethylene high-density composition for obtaining products by pressure moulding, in particular caps and plugging means. The composition includes bimodal high-density polyethylene, a composition of an inorganic alpha-nucleating agent, a composition of a friction-reducing agent, representing amide of primary fatty acid, and a composition with one or more additives, selected from antioxidants, acid acceptors, pigments and UV-stabilisers. The application of bimodal polyethylene in a combination with the inorganic alpha-nucleating agent, in particular, with talc and behenamide, as the friction-reducing agent, makes it possible to obtain the moulding composition with an unexpected and synergic impact on crystallisation temperature, and the composition friction coefficient.EFFECT: composition by the invention demonstrates higher crystallisation temperature and lower friction coefficient.14 cl, 5 tbl

agnesium lactam-containing complex salt as vulcanising agent for fluorinated rubber and method for production thereof // 2528846
FIELD: chemistry.SUBSTANCE: magnesium lactam-containing complex salt [Mg(C6H11NO)2](C7H6O3)2 is obtained. The method of producing a magnesium lactam-containing complex salt includes reacting a magnesium compound with ε-caprolactam. Magnesium oxide is used and is reacted with ε-caprolactam in molten ε-caprolactam with salicylic acid at 80-150°C for 90-120 minutes with the following molar ratio of components: MgO -1, ε-caprolactam - 2, salicylic acid - 2.EFFECT: invention increases the rate of structuring rubber mixtures based on fluorinated rubber, reduces viscosity thereof while maintaining basic physical and mechanical properties of vulcanised rubber.2 cl, 1 dwg, 3 tbl, 3 ex
ethod of obtaining thermoplastic elastomeric composition // 2510881
FIELD: chemistry.SUBSTANCE: method of obtaining thermoplastic elastomeric composition is realised by dynamic mixing of polyethylene with chlorosulfonated polyethylene. In the process of dynamic mixing of polymers in composition introduced is e- caprolactam in quantity 5-10 wt.p. per 100 wt.p. of polymer mixture, which ensures index of composition melt fluidity, determined under load 21.6 kg and temperature 150°C, 7.3-15.1 g/10 min.EFFECT: obtaining thermoplastic elastomeric composition with improved processability and elasticity, with preservation of resistance to ozone, atmosphere and oil and petrol resistance.1 tbl

aking solar cell modules // 2501120
FIELD: physics.SUBSTANCE: disclosed is use of a) polyalkyl(meth)acrylate and b) a compound of formula (I), wherein residues R1 and R2 independently denote an alkyl or cycloalkyl with 1-20 carbon atoms, to make solar cell modules, primarily for making light concentrators of solar cell modules. (I). Also disclosed is a solar cell module and a version of said module. The solar cell module has operating temperature of 80°C or higher; full light transmission of moulding compounds in the wavelength range from 400 to 500 nm is preferably at least 90%; full light transmission of moulding compounds in the wavelength range from 500 to 1000 nm is preferably at least 80%.EFFECT: improved properties of the module.16 cl, 4 dwg

Thermally hardened compositions based on epoxy resins, which contain non-aromatic ureas as accelerants // 2491309
FIELD: chemistry.SUBSTANCE: claimed invention relates to thermally hardened composition based on epoxy resins, which contains: (a) at least one epoxy resin A, which has on average more than one epoxy group per molecule; (b) at least one hardener B of opoxy resin, which is activated at increased temperature and represents amine, amide, anhydride of carboxylic acid or polyphenol; and (c) at least one accelerant C of formula (Ia) or (Ib), where R1 represents H or n-valent aliphatic, or araliphatic residue; R2 and R3 represent each independently on each other alkyl group; R1' represents n'-atom aliphatic residue; R2' represents alkyl group; R3' independently on each other represent H, or alkyl group, or aralkyl group; and n and n' - each has value from 1 to 4, in particular, 1 or 2; and d) at least one viscosity modifier D. Invention also relates to application of such composition in form of one-component thermally hardened glue, for obtaining coatings and for obtaining structural foam for reinforcement of cavities, as well as to method of gluing heat-resistant materials with application of composition by invention and to glued together/glued to product, thus obtained, and to vehicle or vehicle component, which contain such foamed product. Also described is application of accelerant of formula (Ia) or (Ib) for increasing viscosity of claimed compositions based on epoxy resins.EFFECT: obtaining thermally hardened compositions based on epoxy resins, which have good stability in storage, are quickly hardened and have high impact strength.26 cl, 2 tbl, 5 ex
Rubber mixture // 2461591
FIELD: chemistry.SUBSTANCE: rubber mixture contains the following in pts.wt: isoprene rubber 30-70 combined with butadiene rubber 30-70, hydrocarbon resin 0.5-3.0 combined with colophony 0.5-3.0, silane-modified talc 5-20, petroleum oil 4-10. The rubber mixture also contains the following in pts.wt: sulphur 1.2-1.8; zinc oxide 5; stearic acid 1-2; protective wax 2; N-isopropyl-N'-phenyl-n-phenylene diamine 1-2; polymerised 2,2,4-trimethyl-1,2-dihydroquinoline 2; N-cyclohexylthiophthalimide 0.2-0.3; benzoic acid 0.2-0.3; N-cyclohexyl-2-benzthiazolylsulphenamide 0.8-1.2 and technical carbon 40-50.EFFECT: invention increases dynamic endurance of rubber in conditions where an industrial rubber article operates under pressure.2 tbl

Plasticiser and polymer composition based thereon // 2456313
FIELD: chemistry.SUBSTANCE: polyvinyl chloride composition plasticiser is a product of reaction of dioxane alcohol in a mixture with ethers and formals thereof with toluene diisocyanate. Disclosed also is a polymer composition containing polyvinyl chloride and said plasticiser.EFFECT: modification of dioxane alcohols of the plasticiser prevents its dewetting and, as a result, reduces weight loss of the plasticiser, and enables to improve plasticising properties of the composition, raise flash point, thermal stability and resistance to thermal-oxidative degradation.4 cl, 4 tbl
Polyamide resin composition // 2441043
FIELD: chemistry.SUBSTANCE: composition contains polyamide (X), obtained via polycondensation in a melt of a diamine component and a dicarboxylic acid component, a metal salt of stearic acid, and an additive (A) and/or an additive (B). Additive (A) is a compound selected from a group consisting of a diamine compound obtained from a fatty acid having 8-30 carbon atoms, and a diamine having 2-10 carbon atoms, a diester compound obtained from the fatty acid having 8-30 carbon atoms, and a diol having 2-10 carbon atoms, and a surfactant. Additive (B) is selected from a group consisting of a metal hydroxide, a metal acetate salt, a metal alcoholate, a metal carbonate salt and a fatty acid.EFFECT: invention enables to obtain a composition having improved processability, an article having less colouring and excellent transparency.21 cl, 6 tbl, 18 ex
Articles with good lubricating property, swab applicator, shaft and piston of swab applicator // 2424256
FIELD: chemistry.SUBSTANCE: lubricated polymer composition from which an article is made contains one or more polymers which are low-density polyethylene in amount ranging from approximately 95% to approximately 99.5% of the total weight of the composition, and one or more lubricating substances. The one or more lubricating substances are selected from a group comprising erucamide, sterile erucamide, bis-erucamide and any of combination thereof.EFFECT: obtained articles have high softness, flexibility and oiliness.33 cl, 7 tbl, 25 ex

ethod to make bitumen base, bitumen base and its application // 2416624
FIELD: construction.SUBSTANCE: method includes introduction of non-modified bitumen into a reservoir, equipped with a mixing device, and bitumen heating up to the temperature from 120 to 300°C. Then a blowing additive is added into a reservoir, and the mixture is mixed. Besides, the specified blowing additive has a common formula Ar1-R-Ar2. Invention also relates to a bitumen base of blown type produced by this method. The bitumen base is used to make a bituminous binder, and together with a road filler is used for road surface, asphalt mixtures, a gravel emulsion and a wear layer. The bitumen base is also used to make a sealing membrane, a membrane or impregnation layer. Method makes it possible to produce the bitumen base of required quality without necessity of pre-modification of the initial bitumen. The produced bitumen is more resistant as regards ageing, less brittle, has proper adhesiveness and hot viscosity compared to ordinary blown bitumen. Its workability in hot condition is comparable to workability of the initial bitumen in hot condition.EFFECT: improved properties of the bitumen base.16 cl, 2 dwg, 4 tbl, 3 ex

Polycarbonates with good wettability // 2412956
FIELD: chemistry.SUBSTANCE: invention relates to a polycarbonate resin as substrate material for making transparent moulded articles. The polycarbonate resin is obtained using a continuous method on a phase boundary through phosgenation of bisphenols at temperature between 0 and 40°C with 8-17 mol % excess phosgene. The resin contains carbamate compounds of formula (I) in which R1 and R2 denote hydrogen or C1-C12 alkyl, mainly methyl, ethyl, propyl or butyl, or R1 and R2 together denote C4-C12 alkylidene, R3 and R4 denote, C1-C12 alkyl or phenyl, or R3 and R4, bonded with a carbon atom, together form cyclohexyl or trimethylcyclohexyl.EFFECT: invention enables to obtain polycarbonate resin with low content of carbamate compound impurities equal to 0,01-150 parts per million.9 cl, 1 tbl, 6 ex

Polycarbonates with good wettability // 2410400
FIELD: chemistry.SUBSTANCE: invention relates to a polycarbonate as substrate material for making transparent moulded articles. The polycarbonate is obtained through phosgenation of bisphenols at temperature 0-40°C and 5-17 mol % excess phosgene. The polycarbonate contains carbamate compounds of formula (1) , in which R1 and R2 denote hydrogen or C1-C12alkyl, or R1 and R2 - C4-C12 alkylidene or C4-C5 alkylidene, R3 and R4 denote hydrogen C1-C12 alkyl, mainly C1-C8 alkyl, phenyl, or R3 and R4, bonded to a carbon atom, together form cyclohexyl or trimethylcyclohexyl, R5 denotes hydrogen, C1-C12 alkyl, C5-C12 cycloalkyl, phenyl or cumyl.EFFECT: invention enables to obtain polycarbonate with low content of carbamate compound impurities equal to 0,2-300 parts per million.9 cl, 1 tbl, 8 ex

Oxygen-absorbing compositions and packaging containing said compositions // 2406741
FIELD: chemistry.SUBSTANCE: invention relates to an oxygen-absorbing composition for making packaging for protecting oxygen-sensitive materials. The composition contains (a) at least one polyester polymer; (b) at least one compound of formula E in amount of approximately 0.1-10 wt % and (c) at least one transition metal in positive oxidation state in amount of 10-400 parts per million. Compound E is a structure of formula (I)or formula (II), where Ar denotes aryl or heteroaryl; R1, R2 and R11 denote H, C1-C12alkyl, C1-C6alkoxy, hydroxy, C2-C6alkenyl; R3, R4, R14 and R15 denote H; R5-R10 and R16 and R17 denote H or C1-C3alkyl; R12 and R13 denote H or C1-C6alkoxy; n and p = 0 or from 1 to 5; q = 0 or from 1 to 4. The invention also relates to walls of packaging containing said composition, a method of making such packaging and a method of packing oxygen-sensitive material in such packaging.EFFECT: invention enables to obtain articles with high oxygen-absorption and low turbidity.23 cl, 2 tbl, 19 dwg, 5 ex

Intermediate polymeric layers containing anti-adhesion layers // 2404060
FIELD: chemistry.SUBSTANCE: invention relates to polymeric intermediate layers used in multilayer glass panels The intermediate layer contains a polymeric stack having a first polyvinylbutyral sheet without anti-adhesives, tightly attached to a polyvinylbutyral sheet with anti-adhesives.EFFECT: invention presents adhesion of polyvinylbutyral sheets while preserving optical purity of the ready laminated glass and the acceptable level of adhesion between a polyvinylbutyral sheet and glass.11 cl, 3 dwg
Rubber mixture // 2400498
FIELD: chemistry.SUBSTANCE: rubber mixture contains the following in pts. wt: copolymer of vinylidene fluoride and hexafluoropropylene SKF-26 63-69, low-molecular weight copolymer SKF-26 ONM 31-37, barite 20-35, vulcafluoro F 1.5-3.0, magnesium oxide 3-6, calcium hydroxide 5-7, triethylbenzylammonium chloride 0.2-0.5, modifier of adhesion strength of vulcanised rubber to metal - cobalt salt of 2-sulfobenzoic acid 0.5-2.0.EFFECT: high adhesion strength of vulcanised rubber to metal.2 tbl

ethod of producing heat stabilisers for chlorine-containing polymers // 2391360
FIELD: chemistry.SUBSTANCE: invention relates to an improved method of making heat stabilisers for chlorine-containing hydrocarbons, specifically to a method of obtaining stearates of bivalent metals used in polymer compositions based on chlorine-containing polymers such as polyvinyl chloride, vinylchloride copolymers, chlorinated polyvinylchloride etc. The method of producing heat stabilisers of chlorine-containing hydrocarbons involves reacting stearic acid and oxides or hydroxides of calcium, zinc, barium, magnesium or lead in form of separate of mixed salts of stearic acid in a solid phase with intense stirring. The process is carried out in the presence of sodium hydroxide or potassium hydroxide in amount of 0.05-0.15% of the mass of stearic acid and propylene carbonate or dimethylformamide, or hexamethapol or sulfolane or dimethylsulfoxide in amount of 0.005-0.05% of the mass of stearic acid at 40-95°C in a double-screw reactor. Catalysts of the process - sodium hydroxide or potassium hydroxide and propylene carbonate, or dimethylformamide, hexamethapol, sulfolane or dimethylsulfoxide facilitate considerable increase in activity of the surface of the substrate and, as a result, increase in the rate of the process and obtaining products in form of a homogeneous highly dispersed powder and prevention of secondary oligomerisation of the end product.EFFECT: use of the invention enables design of a continuous highly efficient method of producing heat stabilisers of chlorine-containing polymers with high heat stabilising capacity due to formation of products in form a homogeneous highly dispersed powder.2 cl, 4 tbl, 15 ex

Conductive ink and method of making said ink // 2388774
FIELD: chemistry.SUBSTANCE: invention relates to conductive ink compositions which are widely used in electronic engineering. Described is a conductive ink composition which contains a metal complex compound obtained by reacting at least one metal or metal compound of formula (1) with a compound based on ammonium carbamate or ammonium carbonate of formula (2), (3) or (4), and at least one target additive. Described also is a method of making a metal-containing film by depositing the said conductive ink composition and treatment thereof via oxidation, reduction, thermal treatment, treatment with infrared radiation, UV radiation, electron beams or laser.EFFECT: composition has high stability and solubility, and its coating on different substrates can be easily burnt even at low temperature ranging from 80 to 300°C to obtain a uniform thin film or a pattern with good conductivity.38 cl, 10 dwg, 1 tbl, 102 ex

ethod of emulsion polymerisation rubber stabilisation // 2373225
FIELD: medicine.SUBSTANCE: N (4-anilinophenyl)amide of alkenylsuccinic acid of general formula , where n=6-18 is used as a stabiliser of phenylenediamine type. The stabiliser is introduced into latex in amount 0.1-1.5 weight fractions per 100 weight fractions of rubber as aqueous alkaline liquor. While using the stabiliser of low content of ballast substance less than 3% and high content of fragments of phenylenediamine type, is suitable to be introduced into latex.EFFECT: maintained effective stabilisation and eliminated odour nuisance.4 tbl, 12 ex

Phenolic antioxidants in crystal form // 2362764
FIELD: chemistry.SUBSTANCE: invention relates to improved method of preparing solid particles used as phenolic antioxidants and including in, in fact, crystal form compound of formula: in which one of R1 and R2 independently on each other represent hydrogen atom or C1-C4alkyl, and the other one represents C3-C4alkyl; x represents zero (direct bond) or number from one to three; and Y represents C8-C22alkoxy or groups of incomplete formulas or in which one of R1' and R2' independently on each other represent hydrogen atom or C1-C4alkyl, and the other one represents C3-C4alkyl; x represents zero (direct bond) or number from one to three; y represents number from two to ten; and z represents number from two to six, in which homogeneous water dispersion is prepared, which includes compound (I) or mixture of such compounds, where R1, R2, R1' R2', Y, x, y and z have values given above, by addition of incomplete ether of fatty acid polyoxyethylene sorbitan and inoculating crystals, and obtained crystals are separated from dispersion and process is carried out until solid particles are obtained. Invention also relates to novel crystal forms pentaerythrite tetrakis-[3-(3,5-ditret-butyl-4-hydroxyphenyl)propionate], (µ-form) of pentaerythrite tetrakis 3-(3,5-ditret-butyl-4-hydroxyphenyl)propionate], crystal form of N,N'-hexane-1,6-diyl-bis-[3-(3,5-ditret-butyl-4-hydroxyphenyl propionamide)], crystal form of N,N'-hexane-1,6-diyl-bis-[3-(3,5-ditret-butyl-4-hydroxyphenyl propionamide)] and crystal modification (β-form) of N,N'-hexane-4,6-diylbis-[3-(3,5-ditret-butyl-4- hydroxyphenyl propionamide)].EFFECT: elaboration of improved method of preparing solid particles used as phenolic antioxidants.10 cl, 2 ex

Polymer compositions // 2358990
FIELD: chemistry.SUBSTANCE: proposed composition contains a) synthetic polymer and b) one or several compounds of formula or where R1, R2 and R3 or Y1, Y2 and Y3, or Z1, Z2 and Z3 represent, for example branched C3-C20alkyl.EFFECT: possibility of significantly reducing blushing of polymers.41 cl, 10 tbl, 90 ex

Anti-blocking butyral resin sheet // 2351619
FIELD: chemistry.SUBSTANCE: invention refers to making butyral resin sheet for laminated nonshattering glass. Polymer sheet is made of plasticised butyral resin containing fatty acid amide as anti-blocking additive. Sheet is made by extrusion of the melt. Produced laminated safety glass contains two glass sheets and plasticised butyral resin interlayer of blocking intensity at least 50% less than that of polymer sheet composed the same, but not containing fatty acid amide, of opacity 3% less and adhesion value within 20% of deviation of adhesion value of polymer sheet composed the same, but not containing fatty acid amide.EFFECT: designed improved laminated safety glass.18 cl, 4 ex, 4 tbl

Synergetic combination of uv-rays absorbent // 2337113
FIELD: chemistry.SUBSTANCE: stabilising composition is described, containing (A) compound of 2,4-bis-(4-phenylphenyl)-6-(2-hydroxyphenyl)-1,3,5-triazine series by formula (I), and (B) one or more compounds chosen from group, which include benzotriazoles by formula (IIa), 2-hydroxybenzophenones by formula (IIb), oxanilides by formula (IIc), 2-hydroxyphenyltriazines by formula (IId), cinnamates by formula (IIe), and benzoates by formula (IIf). There are also described: composition, containing stabiliser composition and organic material; method for organic material stabilisation; and application of stabiliser composition to organic material stabilisation.EFFECT: increase in efficiency of labile organic materials stabilisation.17 cl, 19 tbl, 24 ex

ethod of polyolefine nanocomposite production // 2325411
FIELD: inorganic chemistry.SUBSTANCE: invention refers to production of nanocomposites using olefinic polymeric matrix and smectite clay. Polyolefine nanocomposite is made by melt mixing (a) polyolefine and (b) smectite clay with at least one intercalating agent occurrence. Ratio of intercalating agent and clay is at least 1:3, assuming ash content rate of specified clay. Hydroxide-substituted esters of carboxylic acid, amides, hydroxide-substituted amides and oxidated polyolefines solid at room temperature are used as intercalating agent. Method versions enable to produce nanocomposites with improved mechanical and barrier properties and high economic indicator "cost-effectiveness".EFFECT: production of nanocomposites with improved mechanical properties and economic indicators.32 cl, 1 dwg, 8 tbl, 7 ex

Elastomeric composition based on butadiene-nitrile rubber with enhanced atmosphere and ozone resistance // 2322462
FIELD: rubbers.SUBSTANCE: invention relates to production of elastomeric composition based on butadiene-nitrile rubbers used for preparing molded thickening rubber-technical articles working in contact with different automobile oils and lubricants at temperatures below 130°C. Proposed elastomeric composition comprises the following components, mas. p. p.: butadiene-nitrile rubber, 5-70; partially hydrogenated butadiene-nitrile rubber with the residual content of double bonds from 1.0 to 5.5%, 30-95; bis-(tert.-butyl-peroxyisopropyl)-benzene as a vulcanizing agent, 4-8; triallyl isocyanurate as a coagent of peroxide vulcanization, 0.5-2.0; technical carbon, 40-60; stearic acid, 1-3, and antioxidant, 1-3. Composition is prepared by conventional methods. Invention provides enhancing resistance to oil and gasoline, resistance to atmosphere and resistance against accumulation of relative residual deformation at increased temperatures.EFFECT: improved and valuable properties of composition.5 cl, 2 tbl

Bactericidal polymer composition (variants) // 2318846
FIELD: biologically active polymer materials.SUBSTANCE: invention relates to polypropylene compositions showing bactericidal activities and intended for manufacture of any products through molding and extrusion while being suitable for fabrication of polypropylene fibers for water and air filters used in various industry fields and in medicine. Bactericidal polymer composition of invention is composed of polymer and bactericidal additive, said polymer being. in particular, polypropylene in amount 97.00 to 99.92% and said additive (0.03-1.00%) being silver phosphate, silver thiosulfate, or silver stearate. Composition further contains 0.05 to 2.00% of oleic acid amide (Finawax O).EFFECT: imparted high bactericidal activity extending functional qualities of composition allowing use thereof in various industry fields.4 cl, 2 dwg, 4 tbl, 4 ex

Polyethylene composition for products with bactericidal properties (variants) // 2318844
FIELD: biologically active polymer materials.SUBSTANCE: invention relates to polyethylene compositions showing bactericidal activities and intended for manufacture of various products through molding and extrusion while being suitable for fabrication of nontoxic packing materials for foods and medical tools, for fabrication of medical- and sanitary-destination molding equipment, toys, furniture, plates and dishes, fibers, and textile articles. Composition according to invention comprises high-pressure polyethylene (71.00-99.04%) and bactericidal additive, the former containing 0.10 to 5.00% silver phosphate, silver thiosulfate, or silver stearate. Composition further contains 0.06 to 1.00% of oleic acid amide (Finawax O), 0.20-2.00% calcium carbonate (Omyacarb 2XKA), 0.50-20.00% ethylene/vinyl acetate copolymer, and 0.10-1.00% silica.EFFECT: imparted high bactericidal activity extending functional qualities of composition allowing use thereof in various industry fields.3 cl, 5 tbl, 4 ex

Crystalline β-folded polypropylenes // 2318841
FIELD: organic chemistry, chemistry of polymers.SUBSTANCE: invention relates to using compounds of the general formula (I): as an initiating agent in seed charge formation of β-form for polypropylene resin. Values of radicals R1, R2 and R3 for compound of the general formula (I) are similar and mean (C1-C20)-alkyl, (C5-C12)-cycloalkyl, (C5-C12)-cycloalkyl substituted with 1, 2 or 3 groups of (C1-C10)-alkyl, cyclohexylmethyl, cyclohexylmethyl substituted with 1, 2 or 3 groups of (C1-C10)-alkyl, phenyl substituted with 1, 2 or 3 groups of (C1-C10)-alkyl or (C7-C9)-phenylalkyl. Films prepared by using compound of the formula (I) are characterized by the dullness value above 62% but preferably above 70% or 80% and the content of crystalline β-form above 15%. Also, invention disclosed monoaxial-oriented or biaxial-oriented films, fibers and multiplayer systems.EFFECT: valuable properties of materials.4 cl, 2 tbl, 8 ex

Polystyrene biocyde composition (options) // 2315788
FIELD: polymer materials.SUBSTANCE: biocyde composition containing polystyrene and biocyde additive is characterized by further including stearic acid amide and in that said biocyde additive contains silver phosphate at following proportions of components: 99.85-99.20% polystyrene, 0.10-0.30% stearic acid amide, and 0.05-0.50% silver phosphate. Composition containing silver thiocyanate and silver stearate as biocyde additive are also described.EFFECT: enhanced bactericidal activity, expanded functional possibilities when used in various industrial fields in manufacture of materials employing molding and extrusion techniques.3 cl, 1 dwg, 4 tbl, 4 ex
ultifunctional modifying agent // 2315068
FIELD: polymeric materials.SUBSTANCE: invention relates to polymeric composition materials, namely, to composition of polymeric composition of multifunctional modifying agent. Proposed multifunctional modifying agent comprises the following components, wt.-%: copolymer of ethylene with vinyl acetate, 2-20; calcium carbonate, 2-25; oleic acid amide, 2-20, and high pressure polyethylene, up to 100. Invention provides expanding functional properties of modifying agent and enhancing technological tasks in processing polymers. Invention can be used in making articles by extrusion or under pressure in casting machines of auger type and nontoxic materials using for package of foodstuffs an/or medicinal preparations.EFFECT: valuable properties of modifying agent.6 tbl, 6 ex

Polypropylene polymer compositions // 2305687
FIELD: polymer materials.SUBSTANCE: invention relates to polypropylene compositions exhibiting improved ability to crystallize, high transmittance coefficient and high transparency due to a specific trimesic acid triamide present therein in amounts between 0.001 to 5% of the weight of triamide. Utilization of triamides as turbidity lowering additive for crystallizable polypropylene is described as well as novel compounds of this group, mixtures thereof, and polypropylene compositions based thereon.EFFECT: improved physicochemical characteristics of polypropylene resins.19 cl, 4 tbl, 4 ex

Polyester composition for making article with high transmittance (variants), method for its preparing and articles made of thereof // 2289598
FIELD: organic compositions.SUBSTANCE: invention relates to compositions comprising resin from aromatic polyester and polyxylylene amide used for making articles with improved transmittance indices. Invention proposes variants of composition comprising resin from aromatic polyester chosen from co-polyalkylene terephthalate comprising from 3 to 15 mole% of links formed by isophthalic acid and/or naphthalene carboxylic acid and polyxylylene amide, preferably, poly-(m-xylylene adipamide) wherein polyamide is dispersed in resin from polyester as domains with average size from 30 to less 200 nm. Composition is prepared by mixing preliminary melted polyester with tetracarboxylic acid dianhydride before mixing polyxylylene amide using the ratio of viscosities of resin smelts from polyester and polyxylylene amide above 1.5:1. The turbidity value of articles made of the proposed composition is less 3%.EFFECT: improved and valuable properties of composition and articles.13 cl, 2 dwg, 4 ex

Pipes made of propylene-based polymers for pipelines // 2280656
FIELD: polymer chemistry.SUBSTANCE: invention relates to mono- or multilayered pipes and parts thereof made of propylene-based polymers for pipelines comprising propylene homopolymer having flow melt index from 0.05-8 g/10 min at 230°C/2.16 kg or propylene block-copolymer containing 90.0-99.9 mass % of propylene units and 0.1-10.0 mass % of C2- or C4-C18 α-olefin units having flow melt index from 0.05-8 g/10 min at 230°C/2.16 kg or mixtures thereof, wherein propylene polymers or propylene block-copolymers represent propylene polymers with crystal-nucleating agents in β-form hawing IRτ >=0.97. Pipelines made of propylene homopolymers with crystal-nucleating agents in β-form have fast crack spreading with critical temperature from -25 to 0°C and critical pressure of >=3 bar below critical temperature; and pipelines made of propylene block-copolymers with crystal-nucleating agents in β-form have fast crack spreading with critical temperature from -5 to +40°C and critical pressure of >=3 bar below critical temperature. Also disclosed is method for pipe production from propylene homopolymers or propylene block-copolymers by extrusion or injection molding. Pipelined of present invention are useful in conveyance of fluid media and fluid media under pressure.EFFECT: pipes of improved cracking resistance.4 ex, 3 cl

Composite antidegradant for rubbers // 2279450
FIELD: rubber industry.SUBSTANCE: invention concerns preparation of composite antidegradant for rubbers and can be used in tire industry and in industry of general mechanical rubber goods in order to increase ozone resistance of rubbers. Composite antidegradant is composed of liquid antidegradant melt and powderlike carrier at 50:50 weight ratio. Liquid antidegradant melt represents eutectic melt of N-isopropyl-N-phenyl-p-phenylenediamine and ε-caprolactam at weight ratio 60:40, while powderlike carrier is naturally occurring sodium bentonite treated in aqueous solution of isopropyl alcohol with tertiary ammonium surfactants of general formula [NR1R2R3R4]+X-, where R-1-R4 are linear or branched, saturated or unsaturated C10-C18-alkyl groups or alkylaryl groups such as benzyl group, and X id chlorine atom. The components are taken in following proportions, wt %: sodium bentonite 3.0-3.5, surfactant 1.5-2.0, isopropyl alcohol 2.0-3.0, and water 91.5-93.5.EFFECT: imparted sufficiently high level of fire resistance to rubbers for a long operation time.1 tbl, 6 ex
Polyethylene-based composition and method for production of molding articles thereof // 2267504
FIELD: polyethylene-based composition and method for production of molding articles thereof.SUBSTANCE: claimed composition contains at least 94.5 % of polyethylene with standard density more than 940 kg/m3; 0.05-0.5 mass % of at least one saturated fatty acid amide containing from 8 to 30 carbon atoms; 0-1.15 mass % of auxiliary lubricant and 0-5 mass % of one or more additives selected from antioxidants, acid resistant compounds, anti-UV, dyes and antistatic agents, wherein total amount abovementioned components is 100 %. Said auxiliary lubricant is selected from group containing fatty acids, fatty acid esters, fatty acid salts, monounsaturated fatty acid amides, polyvalent alcohols, containing at least 4 carbon atoms, mono- or polyvalent alcohol monoethers, glycerol esters, paraffins, polysiloxanes, fluorinated polymers and mixtures thereof.EFFECT: molded articles with improved gliding properties.12 cl, 3 ex

Rubber mixture // 2255947
FIELD: rubber and tire industry.SUBSTANCE: invention relates to rubber mixtures based on unsaturated rubbers and can be used in manufacturing protective rubbers. The rubber mixtures comprises oleic acid additionally in the mass ratio of stearic and oleic acids = 1:1.5, respectively, in the following ratio of components, mass. p. p.: unsaturated rubber, 100; sulfur, 1.7-2.2; rubber accelerator, 1.4-1.8; softening agent, 8.0-15.0; protective wax, 1.0-2.0; N-isopropyl-N'-phenyl-n-phenylenediamine, 1.0; polymerized 2,2,4-trimethyl-1,2-dihydroquinoline, 2.0; N-cyclohexylphthalimide, 0.2-0.3; technical carbon, 55.0-60.0; zinc oxide, 3.0-5.0; stearic acid, 0.8; oleic acid, 1.2. Invention provides expansion assortment of rubber mixtures eliciting the improved complex of technological and physical-mechanical properties: improved technological and some physical-mechanical properties of rubbers - increased wear resistance of rubbers, fatigue endurance and reduced cost of articles due to change of 60% of stearic acid for more cheap oleic acid.EFFECT: improved properties of rubber mixtures and rubbers.3 tbl
ethod for production of curing agent // 2251556
FIELD: chemical technology, particular paint-vehicle industry, epoxy composite materials.SUBSTANCE: claimed curing agents for epoxy oligomers and compositions based thereon are obtained by reaction between 19.2-77.0 mass % of triethanolamine and 18.3-80.6 mass % of vegetable oil ester of alkylcarboxylic acid (in particular castor oil), in presence of 0.2-4.7 mass % nitrogen containing dyes, at 130-220°C for 2-6 h. Curing agent of present invention is particularly useful in production of insulating epoxy polymeric materials.EFFECT: process with improved technological and efficiency characteristics, curing agent with increased up time, and obtained articles with improved frost resistance.1 tbl, 4 ex

Composition stabilized against oxidative, thermal or photoinductive destruction, and the method of stabilization of polyamide, polyester and acetal resin // 2210578
The invention relates to compositions containing a polyamide, or polyester, or Polyacetal, and how they are stabilized against oxidative, thermal or destruction photoinductive

Polymer composition and molded product // 2194726
The invention relates to thermoplastic olefin compositions for the manufacture of molded articles having improved surface gloss and solid surface

Polymer composition for bottom shoes "tapovan" // 2181129
The invention relates to polymer industry, in particular to a composition for manufacturing a bottom of a Shoe or casting the sole to the top of the bent workpiece
 
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