Polymer composition

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

 

The invention relates to the field of polymeric compositions based on epoxy resins and cycloaliphatic diocese intended for the manufacture of large-sized products from composite materials for chemical, electrical and other industries.

The closest prototype of the claimed invention is a family of polymer compositions based on mixtures of epoxy resins and products of the epoxidation of aliphatic 2÷4-atomic alcohols using as hardeners mixture of amines with salicylic acid (see Vasaputi, Kay. Physico-mechanical properties of epoxy polymers and plastics, Kiev: Naukova Dumka, 1986, 26÷27).

The disadvantage of such compositions is low viability during processing, high peak temperature of the exothermic reaction during curing in large masses of material, and relatively low elastic strength properties of the products obtained, limiting their use at high pressures.

The aim of the present invention is a polymer composition with a high viability during processing and a reduced peak temperature of the exothermic reaction in the curing process, providing increased uprugoopticheskii performance of the obtained polymers after exposure to pace the atmospheric temperature of 180°C. This objective is achieved in that the claimed composition based on a mixture of epoxy resins and products of the epoxidation 2÷4-atomic alcohols in a ratio of from 99:1 to 1:99 as hardener contains the product obtained by the interaction of the acid (a) and amine (B) together with the polyhydric alcohol with a hydroxyl content of from 2 to 6 in a single molecule (In) in the ratio a:B:70:29:1 to 20:70:10 by mixing the components in the environment ether di - or tricarboxylic acid and a monohydroxy alcohol when a temperature of from 20 to 80°C for 10 to 120 minutes using the acid compounds of the General formula R2-R1-COOH, where R1- aliphatic, cycloaliphatic, aromatic hydrocarbon or heterocyclic fragment, R2- Deputy - Cl; -F, -NH2, -NH-, -OH, -CH=CH-, -CH=CH2as Amina use a di - or polyamine aliphatic, cycloaliphatic or aromatic type, and the triple product of the interaction combined with eutectic mixture of aromatic amines with a melting point of from -10°C to 90°C with a ratio of the product of the interaction: eutectic mixture of aromatic amines from 5:95 to 95:5, and optionally with a lactone or lactam, and the composition contains in mass parts:

the resin part 100

hardener - 20÷100

the lactone or lactam - 3÷30

Example 1

Getting hardener.

In a reactor equipped with heating, cooling and stirring, download 45 parts by weight of TRANS-4-aminomethyl-cyclohexane-1-carboxylic acid (A)containing in its structure cycloaliphatic hydrocarbon fragment (R1and zamestitel - CH2-NH2, (R2), and then loaded sequentially 70 mass parts dibutylamino ether decanedicarboxylic acid, 55 parts by weight of technical product - paraaminobenzoic (B) and 5 parts by weight of glycerol (b) and at a temperature of 45°C and stirred for 65 minutes with the stirrer speed of 1000 rpm. To thus obtained the triple product of the interaction type eutectic mixture of aromatic amines of metaphenylenediamine (MPDA) and 4,4 diaminodiphenylmethane (DADPM). The ratio of MPD: 4,4 DDFM 60:40. The triple product of the interaction and the eutectic mixture charge in the ratio of 50:50 and stirred at 45°C and 1000 revolutions per minute for 20 minutes.

A composition.

In another reactor equipped with a heater and stirrer, load 70 mass parts of the epoxy Dianova resin ED-20, and 30 mass parts of the product of the epoxidation of trivalent alcohol-atrial. Resin EET-1 with a content of 25% of the epoxy groups. The mixture was stirred at 70°C for 20 minutes at 60 revolutions per minute, then load 60 mass parts of hardener 16 m is sovich parts of lactone 16-oxygenization-7-OIC acid (ambrettolide) 16 mass parts of δ-valerolactam and at 70°C and stirred for 65 minutes.

Examples 2:8 is performed with the change in the components and parameters according table 1.

The properties of the compositions of examples 1 and 8 in comparison with the prototype are shown in table 2, the data of which support its benefits.

Polymer composition based on a mixture of di - and polyepoxide resins and modifiers - products of the epoxidation 2÷4 atomic alcohols, characterized in that the resin and the modifier is used in a ratio of from 99:1 to 1:99, and as a hardener is used a product obtained by the interaction of the acid (a) and amine (B) together with the polyhydric alcohol with a hydroxyl content of from 2 to 6 in a single molecule (In) in the ratio a:B:70:29:1 to 20:70:10 by mixing the components in the environment ether di - or tricarboxylic acid and a monohydroxy alcohol at a temperature of from 20 to 80°C for 10 to 120 min using the acid compounds of the General formula R2-R1-COOH, where R1- aliphatic, cycloaliphatic, aromatic hydrocarbon or heterocyclic fragment, R2- Deputy - Cl, -F, -NH2, -NH-, -OH, -CH=CH-, -CH=CH2as Amina use a di - or polyamine aliphatic, cycloaliphatic or aromatic type, and the triple product of the interaction combined with eutectic see what sue aromatic amines with a melting point of from -10°C to +90°C with a ratio of the product of the interaction: eutectic mixture of aromatic amines from 5:95 to 95:5, and optionally enter a lactone or lactam, if this composition contains, in parts by weight:

the resin part100
the hardener20÷100
the lactone or lactam3÷30



 

Same patents:

FIELD: chemistry.

SUBSTANCE: invention relates to a method of producing curing agents of epoxy resins and can be used to produce epoxide compositions with improved processing properties. The curing agents are obtained by reacting di- or polyepoxide compounds with nitrogen-containing compounds. The nitrogen-containing component used is a mixture which consists of one or two compounds having in their structure one or more tertiary nitrogen atoms and simultaneously one or more functional groups -NCO, -OH, -CH2OH (A) and compounds which contain, alongside the tertiary nitrogen atom, a primary or secondary amino group (B) in ratio A:B ranging from 99:1 to 70:30. Components react in the ratio of the epoxide compound to the nitrogen-containing component ranging from 90:10 to 50:50 while stirring at temperature of 40-220°C for 10-150 minutes.

EFFECT: invention increases storage stability of curing agents, improves processing properties of epoxide compositions and improves strength properties after climatic action.

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

FIELD: chemistry.

SUBSTANCE: invention relates to a curable sealing resin composition. The curable composition contains at least one anhydride-functionalised polymer in amount of 30-60 wt %, a polyol in amount of 10-25 wt %, an epoxide-functionalised polymer, oligomer or monomer in amount of 15-40 wt %, a urethane polyol-functionalised compound selected from a group consisting of urethane diol, polyurethane diol and combination thereof in amount of 5-15 wt % and a catalyst with respect to total weight of the resin. The resin composition can be cured at room temperature. Components used to prepare and cure the resin composition can be provided in form of two or more parts.

EFFECT: hydrolytic stability, high hardness, flexibility and low cost of production of the sealing resin which can be used to restore insulation and/or for environmental protection of cable joints, sealed articles etc.

13 cl, 4 tbl, 3 ex

FIELD: chemistry.

SUBSTANCE: invention relates to novel benzoxazine siloxanes of general formula , where R1 denotes trimethylsilyl, dimethylsilylpropyl-8-methoxy-N-R2-1,3-benzoxazine, pentamethylsiloxypropyl- N-1,3-benzoxazine; R2 denotes alkyl C1-C4, hydroxyethyl, phenyl; X denotes oxygen, methylene, isopropyl, hexafluoropropyl; m=0-8, n=0-32; at certain conditions, values of X, R1 and number links in benzoxazine siloxanes. Heat-curable compositions for heat-resistant adhesives, filling compounds and coatings are obtained from the benzoxazine siloxanes and epoxy resins. The composition contains (pts.wt) one or seven benzoxazine siloxane compounds in amount of 10-50; epoxy-diane or epoxy-phenol-formaldehyde resin in amount of 100-50; a curing agent - isomethyl tetrahydrophthalic anhydride in amount of 0-83; filler - boron or aluminium nitrides in amount of 0-15.

EFFECT: coatings and adhesives obtained based on the invention withstand high thermal action.

2 cl, 3 tbl, 18 ex

FIELD: chemistry.

SUBSTANCE: invention relates to novel benzoxazine siloxanes of general formula , where R1 denotes trimethylsilyl, dimethylsilylpropyl-8-methoxy-N-R2-1,3-benzoxazine, pentamethylsiloxypropyl- N-1,3-benzoxazine; R2 denotes alkyl C1-C4, hydroxyethyl, phenyl; X denotes oxygen, methylene, isopropyl, hexafluoropropyl; m=0-8, n=0-32; at certain conditions, values of X, R1 and number links in benzoxazine siloxanes. Heat-curable compositions for heat-resistant adhesives, filling compounds and coatings are obtained from the benzoxazine siloxanes and epoxy resins. The composition contains (pts.wt) one or seven benzoxazine siloxane compounds in amount of 10-50; epoxy-diane or epoxy-phenol-formaldehyde resin in amount of 100-50; a curing agent - isomethyl tetrahydrophthalic anhydride in amount of 0-83; filler - boron or aluminium nitrides in amount of 0-15.

EFFECT: coatings and adhesives obtained based on the invention withstand high thermal action.

2 cl, 3 tbl, 18 ex

FIELD: chemistry.

SUBSTANCE: carbon nanofiller - carbon nanofibres or globular nanocarbon - is added to a polymer nanocomposite based on bisphenol A polyhydroxy ether, with the following ratio of components: bisphenol A polyhydroxy ether - 99.975-99.5%, nanofiller - 0.025-0.5%. When producing the nanocomposites, the carbon nanofiller is pre-activated sulphuric acid solution with concentration of 20-60% while heating at temperature of 70-100°C for 45-60 minutes. The treated carbon nanofiller is added the polymer in situ.

EFFECT: invention enables to obtain polymer nanocomposites based on bisphenol A polyhydroxy ether and activated carbon nanofiller with high output and reduced viscosity with improved hardness and resistance to aggressive media.

2 cl, 1 tbl, 6 dwg, 3 ex

FIELD: chemistry.

SUBSTANCE: invention relates to a method of purifying resorbable polyester and an apparatus to this end. Purification of resorbable polyester involves dissolving polymer in a first solvent (12) and then bringing the polymer solution into close contact with a second solvent (41) under the action of high shearing forces in a turbulent shear field. The second solvent (41) is a nonsolvent for the resorbable polyester, infinitely miscible with the first solvent (12). The polymer suspension formed as a result of adding the second solvent (41) is then fed either into the revolving cylindrical sieve working member (71) of a drum sieve (70) operating with generation of a shearing force. The moist polymer mass is then removed from the sieve working member (71) of the drum sieve using one or more helically lying conveyor wheels and/or guide blades inside said revolving cylindrical sieve member and then dried.

EFFECT: invention enables to obtain resorbable polyesters with high quality and high cost effectiveness even on an industrial scale.

19 cl, 3 dwg

FIELD: chemistry.

SUBSTANCE: invention relates to epoxy binder for articles made from composite materials produced primarily by wet (thread, bundle) winding. The epoxy binder for composite materials contains triglycidyl derivative of para-aminophenol, a diluent - epoxy-aniline resin, a technical mixture of polysulphides based on o-tertbutyl phenol, an amine curing agent - mixture of 2- and 4-aminobenzyl anilines, 4,4'-diaminodipheny methane and higher polyaminobenzyl anilines.

EFFECT: high strength of unidirectional organoplastics at temperature of 150-200°C.

2 tbl, 7 ex

FIELD: chemistry.

SUBSTANCE: invention relates to production of frictional moulding materials which can be used in making brake pads, clutch plates and when producing high-strength structural materials for mechanical engineering, electrical engineering and other purposes. The method involves adding a solution of a modifier and a lubricant into a water-emulsion or water-alcohol phenol-formaldehyde resin by mixing to a homogeneous state. The obtained product is then mixed with an inorganic fibre filler and mineral powder, dried, pelleted and moulded. The modifier used is a water-soluble epoxy resin obtained by reacting epoxy diane resin with polyethylene glycol and a technical mixture of dioxane alcohols in the presence of a tertiary amine. Components are in the following ratio, pts.wt: phenol-formaldehyde resin in terms of dry mass - 100, modifier in terms of dry mass - 20-120, inorganic fibre filler - 40-300, mineral powder - 10-90, lubricant - 1-8.

EFFECT: invention improves strength properties of frictional moulding material based on phenol-formaldehyde resins and eliminates organic solvents from the production process.

2 tbl, 7 ex

Epoxide compound // 2472820

FIELD: chemistry.

SUBSTANCE: invention is meant for gluing, sealing and repairing materials and articles for medical and household purposes, and materials used in closed and sealed premises. The epoxide compound contains the following (pts.wt): epoxy diane resin - 100, plasticiser - 1.5-20, curing agent - 10-100 and nanostructured bentonite powder which is intercalated with cerium ions (Ce3+) - 0.5-5.

EFFECT: reduced emission of volatile organic compounds from the epoxide compound in operating conditions with ageing and decomposition.

8 cl, 2 dwg, 2 ex

FIELD: chemistry.

SUBSTANCE: invention can be used in the rubber industry for making vulcanised butadiene-nitrile based rubber with high thermal-oxidative resistance. The polymer anti-ageing paste contains polyvinyl chloride, plasticiser, stearic acid, molten mass of anti-ageing agents containing N-isopropyl-N-phenyl-n-phenylenediamine, polymer of 2,2,4-trimethyl-1,2-dihydroquinoline ε-caprolactam.

EFFECT: reduced viscosity of the paste which simplifies its further processing on rubber mixing equipment, increased thermal-oxidative resistance of the rubber.

3 tbl

FIELD: production of tires and mechanical rubber goods; activation of vulcanization of rubber on base of non-saturated rubbers.

SUBSTANCE: rubber vulcanization activator contains the following components, parts by mass: zinc oxide, 5.90-20.0; stearine, 27.40-46.50; ε-caprolactam, 11.60-26.60 and N-(cyclohelxylthio)phthalimide-36. Proposed activator increases rate of vulcanization in main period without reducing the time of beginning of pre-vulcanization - reduction of induction period at retained physical-mechanical parameters of vulcanizers at required level.

EFFECT: enhanced efficiency.

3 tbl, 6 ex

The rubber mixture // 2232172
The invention relates to the rubber industry, in particular the production of rubber compounds used for the manufacture of products for various purposes, including acoustic coatings

The rubber mixture // 2232171
The invention relates to the rubber industry, in particular the production of rubber compounds used for the manufacture of products for various purposes, including acoustic coatings

Polymer composition // 2098438
The invention relates to composite materials based on phenol-formaldehyde Novolac resins and fillers, suitable for the manufacture of thin-walled parts of compressors for household refrigerators

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

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

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

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

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

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

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