Polymer composition. RU patent 2507227.
| Fire retardant composition "lider" / 2500703 Fire retardant composition contains epoxy resin, a curing agent, aluminium hydroxide, a fire retardant system consisting of ammonium polyphosphate, melamine and pentaerythritol, titanium dioxide as a UV filter, melamine borate and a solvent. |
| Water-diluting polymer composition for coatings / 2495160 Water-diluting polymer composition for coatings includes epoxyamine resin, polyurethane hardener, modifying additive and deionised water; at that, as polyurethane hardener, there used is polyurethane containing 1.3-14.9 % of carbamide groups, 15.0-30.7 % of urethane groups, 0.33-1.80 % of biuretic groups, and as modifying additive there used is 2-mercaptobenzothiazole or 2-phenyl-4-chromenone, or 2,3-benzopyridine, or hexamethylenetetramine at the following component ratio, wt %: epoxyamine resin 5.8-8.8; polyurethane hardener 5.2-7.8; modifying additive 1.0-3.0; deionised water is the rest. |
 Halogen-free fire retarders for epoxy resin systems / 2488615Invention relates to epoxy resin-based compositions which contain fire retarder. The composition contains epoxy resin and a phosphate-containing fire retarder. The fire retarder is selected from salts of metals of Group 1 saccharide phosphate, salts of Group 2 glycerophosphate, and salts of metals of Group 1 polyphosphate. |
| High diffusion power cathodic electrodeposition composition for obtaining high hardness and wear resistant coatings / 2486220 Invention relates to a composition with high diffusion power, which is meant for obtaining coatings at the cathode via electrodeposition. The composition contains an epoxy-amine adduct, which is modified by partially blocked toluene diisocyanate, a pigment paste stabilised by said adduct, a neutraliser - acetic acid, butylene glycol, phenoxy propanol and water. The composition additionally contains powdered polyphenylene sulphide with graphite and silicon carbide additives, treated with an nonionic surfactant - OP-10. |
 Fused epoxy coating compositions containing magnesium oxide / 2483090Powdered epoxy coating composition for coating a substrate contains: (a) about 50 wt % to about 90 wt % of at least one epoxy resin; (b) about 1 wt % to about 30 wt % of at least one catechin novolac type adhesion promoter; and (c) about 0.1 wt % to about 5 wt % magnesium oxide. The coating can also contain about 10 wt % to about 48 wt % inorganic filler. |
 Primer compositions for adhesive binding systems and coatings / 2482148Present invention relates to an aqueous primer composition. The aqueous primer composition contains: a. at least one composition of a heat-curable self-emulsifying epoxy resin obtained by reacting (a) epoxy resin, (b) a polyatomic phenol and (c) an amine-epoxide adduct, where the amine-epoxide adduct is a product of reaction of an aromatic polyepoxide with polyoxyalkylene amine; b. at least one composition of a heat-curable non-self-emulsifying resin having an epoxide base which has epoxide functionality from 1.8 to 4 and epoxide equivalent weight from 100 to 200; c. water; and d. at least one curing agent. The invention also describes a method of producing the aqueous primer composition. |
 Powdered coating composition / 2478678Invention relates to heat-curable powdered compositions based on an epoxide oligomer and can be used to make coatings with improved barrier properties. The powdered composition contains the following (pts.wt): epoxy resin - 96.7-90.3, dicyandiamide curing agent - 1.3-2.5, flow agent - 0.6-0.9, aluminosilicate nanoparticles - 0.5-5, anti-crater additive - 0.4-0.6 degassing agent - 0.5-0.7. The aluminosilicate nanoparticles used are: natural montmorillonite, a quaternary ammonium salt modified salt of the following structure [(HT)2N(CH3)2]+Cl-, where HT is dehydrogenated tall oil, or halloysite. |
| Enamel for protective coating / 2472829 Disclosed enamel contains the following (pts.wt): semi-finished enamel from epoxy resin-base - 100, an accelerator - 0.1-3.0 and a hardener - 50-90. The semi-finished enamel contains a film-forming diane resin-base which contains 48-72% diane epoxy resin, 10-25% modifier, 10-30% catalyst obtained by epoxidation of a hydroxyphenylene oligomer from alkyl resorcinol with degree of polycondensation n=0-2 at temperature of 180-250°C, pigments, filler and a rheological agent. Components of the semi-finished enamel are in the following ratio, wt %: film-forming diane epoxy resin-base - 88-92; pigments, filler, rheological agent - 8-12. |
| Aqueous binder in coating for corrosion protection of wood and concrete / 2472828 Binder mixture contains (wt %): 70-98% chain-extended epoxy amine adducts A and 2-30% carboxy functional polyesters B which contain a limited amount of aromatic components in weight ratios of up to 15% and have acid number of 4-50 mg/g. A coating composition is prepared from the binder mixture and then applied onto a substrate. |
 Resin paint compositions for high internal permeability cationic electrodeposition, containing aromatic sulphonic acid and rheology modifier with urethane functional group / 2467043Invention relates to a resin paint composition for high internal permeability cationic electrodeposition and can be used as a primer coat. The composition contains a basic resin which contains products of reaction of polysulphide compounds with epoxy compounds and products of reaction of amine compounds and epoxy compounds; a resin curing agent which contains products of reaction of modified polyol compounds; aromatic sulphonic acid; and a substance which provides rheologic properties, containing a urethane functional group. |
 Method of producing epoxy resin curing agents / 2507226Invention relates to production of epoxy resin curing agents used to prepare epoxy compositions with improved processing properties and minimal toxicity, which enable to produce composite materials with high strength, thermophysical and dielectric properties. The method of producing epoxy resin curing agents involves reacting a liquid or molten aromatic, aliphatic, cycloaliphatic or alkylene aromatic di- or polyamine (B) with cycloaliphatic or aliphatic-cycloaliphatic dioxides (A) with excess amine, after which acrylate (V) and amino alcohol (G) are added to the obtained mixture and the reaction mixture is stirred for 20-180 minutes at T=30-180°C. |
 Polymer composition / 2506291Present 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. |
 Epoxy binder for reinforced plastic / 2505568Binder contains the following, pts.wt: 70-90 polyglycidyl derivative of low-molecular weight phenol-formaldehyde novolac, 10-30 epoxy-diane resin, 3-6 boron trifluoride and benzylamine complex, 60-80 2,2'-bis-(3,5-di-bromo-4-hydroxyphenyl)-propane, 1-3 bis-[3-(3,5-di-tert-butyl-4-oxyphenyl) propyl]phthalate and 90-160 alcohol-acetone mixture with weight ratio of alcohol to acetone of 1:1. |
| Press material for sealing integrated microcircuits / 2505567 Press material for sealing integrated microcircuits contains binder - o-cresol novolac epoxy resin with softening point of 50-65°C, a curing agent - cyan-acetic ester and diglycidyl ether of 1,4-butanediol, an accelerating atent - N1-(3,4-dichlorophenyl)-N,N-dimethylurea, filler - ground quartz, glycidyloxypropyltrimethoxy silane finishing agent, lubricant - oxidised polyethylene wax. |
| Method of making articles from composite / 2505403 Proposed method comprises preparing binder directly before impregnation of fibrous filler. Epoxy-novolac binder with number-average molecular weight of 300 a.u. and weight fraction of epoxy groups of 8-11 are produced by loading 10-28 wt % of product into reactor, said product being obtained by epoxidation of hydroxyphenyl oligomer from alkyl resorcinol, 47-80 wt % of diane epoxy resin and 10-25 wt % of modifier, and by boiling at 60-250°C for 30-180 minutes. Article is shaped by drawing fibrous filler impregnated with binder and hardener via replacement die and helical winding on reinforcing bundle core. |
 Thermosetting epoxy polymer, composite material, method of moulding article from composite material, mould and method of making mould / 2499013Composite material contains a matrix phase made of thermosetting epoxy polymer with magnetite particles and a reinforcing phase made of carbon fibre. The mould for moulding an article from composite material has a housing made of material which is substantially permeable for microwave radiation, with a surface or a back surface which is coated with a layer containing material which is substantially permeable for microwave radiation. |
 Thermosetting resin-based polymer composite material and fibre-filled material containing said resin / 2495056Invention relates to a thermosetting resin-based polymer composite material and fibre-filled material based thereon. The polymer composite material contains thermosetting resol phenol-formaldehyde resin and additionally thermosetting epoxy resin and a thermosetting polyester resin in the following ratio, wt %: thermosetting resol phenol-formaldehyde resin 48-83; thermosetting epoxy resin 3-13; thermosetting polyester resin 14-39. The fibre-filled material contains a thermosetting resin-based polymer composite material and fibre. The fibre used is polyacrylonitrile fibre or glass fibre in the following ratio, pts.wt: thermosetting resin-based polymer composite material 3.2-5.2; fibre 1.0. |
 Epoxy resins and composite materials exhibiting improved combustion properties / 2494126Invention relates to epoxy resin-based composite materials. The epoxy resin-based composition contains: a) 50-70 wt % of a component which is an epoxy resin containing one or more epoxy resins; b) 15-35 wt % of a mixture of thermoplastic materials containing polyetherimide and polyamideimide, where the weight ratio of polyetherimide to polyamideimide ranges from 5:1 to 1:5; and c) 5-25 wt % of a component which is a curing agent, where the epoxy resin composition has sulphur dioxide release level below 100 ppm. Also disclosed is a method of preparing a composition, a component made from an uncured composite, a component made from the composite, where a matrix of the epoxy resin is cured, and a method of producing a prepreg. |
| Composition to reinforce building structures / 2493337 Composition comprises glass or basalt roving in amount of 90-100 wt parts, impregnated with polymer binder based on epoxide-diane resin in the amount of 18÷20 wt parts. The polymer binder additionally contains a magnetic-susceptible metal-containing carbon nanostructure in the amount of 0.001÷1.5 wt parts. |
 Thermally hardened compositions based on epoxy resins, which contain non-aromatic ureas as accelerants / 2491309Claimed 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. |
| Thermosetting resin-based polymer composite material and fibre-filled material containing said resin / 2495056 Invention relates to a thermosetting resin-based polymer composite material and fibre-filled material based thereon. The polymer composite material contains thermosetting resol phenol-formaldehyde resin and additionally thermosetting epoxy resin and a thermosetting polyester resin in the following ratio, wt %: thermosetting resol phenol-formaldehyde resin 48-83; thermosetting epoxy resin 3-13; thermosetting polyester resin 14-39. The fibre-filled material contains a thermosetting resin-based polymer composite material and fibre. The fibre used is polyacrylonitrile fibre or glass fibre in the following ratio, pts.wt: thermosetting resin-based polymer composite material 3.2-5.2; fibre 1.0. |
FIELD: chemistry.
SUBSTANCE: invention relates to high-strength polymer compositions intended for making articles from composite materials, applying anticorrosive and decorative coatings with high resistance to weather and ultraviolet radiation. The polymer composition contains an adduct of amines with epoxy resins, an active diluent and a product of reacting di- or polyepoxy compounds with nitrogen-containing components, where the nitrogen-containing component used is a mixture consisting of a compound having in its structure one or more tertiary nitrogen atoms and simultaneously one or more functional groups -NCO, -OH, -CH2OH and a compound containing, along with a tertiary nitrogen atom, a primary or secondary amino group, and the reaction is carried out by mixing at temperature ranging from 40°C to 220°C in 10-150 minutes.
EFFECT: composition improves processing properties and improves static and dynamic properties after climatic and ultraviolet exposure of materials based on said composition.
2 tbl
The invention relates to high-strength polymer compositions based on epoxy resins and intended for the manufacture of goods from composite materials, corrosion-proof and decorative coating with high resistance to climatic and UV impact, as well as filling and treating compounds of electrotechnical purpose and other purposes.
The closest prototype of the claimed invention are polymer compositions based on epoxy resins, containing as curatives obtained by interaction of aliphatic or aromatic amines with epoxy or aliphatic resin, and active thinners (see «Handbook of plastic masses» under the editorship of V. Kataev and other 1975, Publishing house «Chemistry», .207 and 219).
Disadvantages described compositions are relatively low technological properties - low viability of processing high peak temperature exothermic reaction during curing spun from these products, and most importantly, a significant reduction of the strength characteristics after the climate impact.
The aim of the claimed polymeric composition is the improvement of technological properties during processing and increase of static and dynamic indicators after climate and ultraviolet effect of the materials on its basis.
This goal is achieved by polymer composition along with adduct and active diluent contains the product of the interaction of di - or compounds with nitrogen-based components, as component using a mixture consisting of connection having in its structure of one or more of the tertiary nitrogen atoms and one or several functional groups-NCO-HE, CH 2 s (HE), and compounds containing along with tertiary nitrogen atom is of primary or secondary amino (B), in the ratio A:B 99:1 and 70:30, and the operation of interaction is carried out at a ratio of epoxy connection: component of 90:10 to 50:50 by mixing at a temperature of 40 degrees 220 C for 10 minutes 150 minutes, the composition contains, in mass parts:
epoxy connection
100active thinner
1 to 100amine adduct
5 to 100a product of the interaction
8 up to 150
Example 1.
Obtaining a product of the interaction.
In the reactor, equipped with heating, cooling and high-speed mixer download 70 mass parts 2,4,6-Tris()-phenol brand up-606/2, which is a full analogue of the foreign product DMP-30 (A), and 30 mass parts (B), after which the temperature in the reactor was raised to 90 C and With a running stirrer (500 rpm) download 290 mass fractions of epoxy compounds - ether 4,4' and the temperature rises to 120 degrees C. the Interaction of the components at this temperature occurs within 80 minutes.
The resulting hardener cooled and poured into metal containers.
Obtaining polymeric composition.
In other reactor, equipped with heating and a mixer, download 100 mass parts of epoxy compounds - and 50 mass fractions of an active diluent - ether (resin type e-181) and stirred for 15 minutes at 70 degrees C. Then the reactor download 80 mass parts of the resulting product of the interaction and 50 mass parts adduct resin brand ed-16 received at molar excess of the latter, and stir for 10 minutes at 70 C, is poured into metal moulds and for 24 hours at room temperature.
Examples from 2 to 7 perform similarly to example 1 with the change of the parameters and ingredients in accordance with table 1.
Properties claimed polymer compositions, obtained in examples 1 to 8, are shown in table 2, showing its advantages over the known solutions.
Table 2Properties claimed polymeric composition of examples 1 to 8 in comparison with the prototype.
№ itemName of indicator
Value indicators on the examples
1 2 3 4 5 6 7 8prototype
1.Stability of initial components during storage without change of viscosity, months
Not less than 12
Not more than
2The viability of the composition in a mass of 200 g.
Not less than days
30at 20 C, min
at 60 degrees C, min
Not less than 300
5 3Maximum temperature exothermic reaction curing at 60 C in the sample of the cubic form of resin and hardener in the mass of 1000 g
150 145 148 135 140 135 155 135 280 4Tensile strength at static flexure, MPa - the initial sample
130 140 140 135 140 135 140 142 120- after sample of 12 months climatic impact on the roof of the building in the conditions of Moscow
120 135 145 138 142 130 135 138 60 5Specific impact viscosity, Kj/m2
- the initial sample
42 40 38 36 42 37 38 36 18- sample after 12 months impact on the roof of the building in the conditions of, Moscow
39 35 34 35 40 34 36 34 6Polymeric composition on the basis of epoxy compounds and an active diluent containing amine adduct with epoxy resins, characterized in that it, along with adduct contains the product of the interaction of di - or compounds with nitrogen-based components, as component using a mixture consisting of connection having in its structure of one or more of the tertiary nitrogen atoms and one or several functional groups-NCO-HE, CH 2 s (HE) and compounds containing along with tertiary nitrogen atom primary or secondary amino (B) in the ratio A:B 99:1 and 70:30, and the operation of interaction is carried out at a ratio of epoxy connection : component of 90:10 to 50:50 by mixing at a temperature of 40 degrees 220 C for 10 min 150 min, the composition contains, in parts by weight:
epoxy connection
100active thinner
1 to 100amine adduct
5 to 100a product of the interaction
8 up to 150