Elastomer compositions and their use in air bladder, such as inner lining of tyre or pneumatic tyre tube

FIELD: chemistry.

SUBSTANCE: invention pertains to compositions of ternary copolymers on an isobutylene base and can be used in tyres, in particular in motor car components, such as protectors, inner lining of tyres, air bladders and tubes. The vulcanised elastomer composition contains halogenated ternary copolymer links from C4 to C8 derived from iso-olefin, links from C4 to C14 derived from multi-olefin and links derived from p-alkylstyrol. The composition is vulcanised in the presence of a sulphur vulcanising group. The value of adhesion to butadiene-styrene rubber of the vulcanising composition at 100°C is more than 70 N/mm. The composition also optionally contains filler and/or extra rubber. The suitable fillers are modified carbon black, carbon black, silicon dioxide, aluminium oxide, calcium carbonate, clay, mica, talc, titanium dioxide, starch, wood powder and their combination.

EFFECT: improved adhesion to the frame, elasticity with retention of impermeability to air.

52 cl, 1 dwg, 8 tbl

 

The text descriptions are given in facsimile form.

1. Vulcanized elastomeric composition comprising halogenated ternary copolymer derivatizing from isoolefine with4C8links, derivatizing from multilatina with C4C14links and derivatizing of p-alkylthiol links where this song vulcanized in the presence of sulfuric vulcanizing group and where the value of adhesion to BSC vulcanized composition at 100°With more than 70 N/mm, and optionally a filler and/or additional rubber.

2. The composition according to claim 1, characterized in that it further includes a metal oxide, fatty acid and the accelerator.

3. The composition according to claim 1, characterized in that it also includes a filler selected from carbon black, modified carbon black, silicon dioxide, aluminum oxide, calcium carbonate, clay, mica, talc, titanium dioxide, starch, wood flour, or mixtures thereof.

4. The composition according to claim 1, characterized in that it also includes additional ka is Chuk, selected from natural rubber, butadiene rubber, or mixtures thereof.

5. The composition according to claim 1, characterized in that it also includes additional rubber selected from nitrile butadiene rubber, silicone rubber, isoprene rubber, butadiene rubber, isoprene-butadiene rubber, styrene-isoprene-butadiene rubber, ethylene-propylene rubber, brominated butyl rubber, chlorinated butyl rubber, halogenated isoprene, halogenated isobutilene copolymers, polychloroprene, star-shaped butyl rubber, star of the brominated butyl rubber, isobutylene-isoprene rubber, halogenated isobutylene/p-methylstyrene copolymer or mixtures thereof.

6. The composition according to claim 1, characterized in that otoolefan with4C8represents the isobutylene.

7. The composition according to claim 1, characterized in that multilevel with4With14choose from cyclopentadiene and isoprene.

8. The composition according to claim 1, characterized in that the p-alkylthiol is a p-methylsterol.

9. The composition according to claim 1, characterized in that as halogenated ternary copolymer contains octabromodiphenyl ternary copolymer.

10. The composition according to claim 9, characterized in that the bromine atom is contained in a ternary copolymer in the range from 0.1 to 2.5 mol.% in paresce the e on the total number of moles derivatizing of the monomers of the links in this ternary copolymer.

11. The composition according to claim 10, characterized in that the bromine atom is contained in a ternary copolymer in the range from 0.2 to 2 mol.% in terms of the total number of moles derivatizing of the monomers of the links in this ternary copolymer.

12. The composition according to claim 1, characterized in that the ternary copolymer has srednekamennogo molecular weight of from 80,000 to 1000000.

13. The composition according to item 12, wherein the ternary copolymer has srednekamennogo molecular weight of from 300,000 to 800000.

14. The composition according to claim 1, characterized in that the value of adhesion to the BSC at 100°With more than 100 N/mm

15. The composition according to 14, characterized in that the value of adhesion to the BSC at 100°With more than 200 N/mm

16. The composition according to claim 1, characterized in that the filler comprises carbon black.

17. The composition according to item 16, characterized in that it has an index of wear resistance according to DIN 45%

One on item 16, characterized in that it has a value of tan Delta at -30°With more 0,60.

19. The composition according to item 16, characterized in that it has a value of tan Delta at 0°With more 0,20.

20. The composition according to claim 1, characterized in that the filler is contained in an amount of 5 to 100 ppm 100.

21. The composition according to claim 1, characterized in that the filler is contained in an amount of from 10 to 100 ppm 100.

22. The composition according to claim 1, characterized in that the filler sod is Ritsa in an amount of from 40 to 80 ppm 100.

23. The composition according to claim 1, characterized in that derivateservlet from multilatina links contained in ternary copolymer in an amount of from 0.2 to 30 wt.%, and derivateservlet of p-alkylthiol links contained in an amount of from 0.5 to 30 wt.% in terms of this ternary copolymer.

24. The composition according to claim 1, characterized in that the additional rubber is contained in an amount of 5 to 50 ppm 100.

25. The composition according to item 16, characterized in that it has an index of wear resistance according to DIN 90%

26. The elastomeric composition including sulfur vulcanizing group and halogenated ternary copolymer derivatizing from isoolefine with4C8links, derivatizing from multilatina with4With14links, derivatizing of p-alkylthiol links and filler and/or additional rubber.

27. The composition according to p, characterized in that it further includes a metal oxide, fatty acid and the accelerator.

28. The composition according to p, characterized in that it also includes a filler selected from carbon black, modified carbon black, silicon dioxide, aluminum oxide, calcium carbonate, clay, mica, talc, titanium dioxide, starch, wood flour, or mixtures thereof.

29. The composition according to p, characterized in that it also includes additional rubber selected from natural the rubber, butadiene rubber or mixtures thereof.

30. The composition according to p, characterized in that it also includes additional rubber selected from nitrile butadiene rubber, silicone rubber, isoprene rubber, butadiene rubber, isoprene-butadiene rubber, styrene-isoprene-butadiene rubber, ethylene-propylene rubber, brominated butyl rubber, chlorinated butyl rubber, halogenated isoprene, halogenated isobutilene copolymers, polychloroprene, star-shaped butyl rubber, star of the brominated butyl rubber, isobutylene-isoprene rubber, halogenated isobutylene/p-methylstyrene copolymer or mixtures thereof.

31. The composition according to p, characterized in that otoolefan with4C8represents the isobutylene.

32. The composition according to p, characterized in that multilevel with4With14choose from cyclopentadiene and isoprene.

33. The composition according to p, characterized in that the p-alkylthiol is a p-methylsterol.

34. The composition according to p, characterized in that as halogenated ternary copolymer contains octabromodiphenyl ternary copolymer.

35. The composition according to clause 34, wherein the bromine atom is contained in a ternary copolymer in the range from 0.1 to 2.5 mol.% in terms of the total number of moles of deriv Tserovani of the monomers of the links in this ternary copolymer.

36. The composition according to p, characterized in that the bromine atom is contained in a ternary copolymer in the range from 0.2 to 2 mol.% in terms of the total number of moles derivatizing of the monomers of the links in this ternary copolymer.

37. The composition according to p, characterized in that the ternary copolymer has srednekamennogo molecular weight of from 80,000 to 1000000.

38. The composition according to clause 37, wherein the ternary copolymer has srednekamennogo molecular weight of from 300,000 to 800000.

39. The composition according to p, characterized in that the value of adhesion to the BSC at 100°With more than 70 N/mm

40. The composition according to p, characterized in that the value of adhesion to the BSC at 100°With more than 100 N/mm

41. The composition according to p, characterized in that the value of adhesion to the BSC at 100°With more than 200 N/mm

42. The composition according to p, characterized in that the filler comprises carbon black.

43. The composition according to § 42, characterized in that it has an index of wear resistance according to DIN 45%

44. The composition according to § 42, characterized in that it has a value of tan Delta at -30°With more 0,60.

45. The composition according to § 42, characterized in that it has a value of tan Delta at 0°With more 0,20.

46. The composition according to p, characterized in that the filler is contained in an amount of 5 to 100 ppm 100.

47. The composition according to p, characterized in that the filler content is designed in an amount of from 10 to 100 ppm 100.

48. The composition according to p, characterized in that the filler is contained in an amount of from 40 to 80 ppm 100.

49. The composition according to p, characterized in that derivateservlet from multilatina links contained in ternary copolymer in an amount of from 0.2 to 30 wt.%, and derivateservlet of p-alkylthiol links contained in an amount of from 0.5 to 30 wt.% in terms of this ternary copolymer.

50. The composition according to p, characterized in that the additional rubber is contained in an amount of 5 to 50 ppm 100.

51. The composition according to § 42, characterized in that it has an index of wear resistance according to DIN 90%

52. Pneumatic diaphragm, such as the inner shell of the bus or Luggage for pneumatic tires, comprising a composition according to claim 1 or 26.



 

Same patents:

FIELD: transportation; chemistry.

SUBSTANCE: invention relates to to elastomer composition containing at least one halogenated butyl elastomer, at least one mineral filler and at least one compound containing silicon. Note that the composition contains a mix of at least one silazane compound as the silicon-containing compound and at least one agent containing at least one amino alcohols. The invention also relates to the method of making an elastomer product by mixing the components of the given elastomer composition with the subsequent vulcanisation of the mix formed, and to the tread or the car tyre insert from the elastomer product thus produced. This elastomer composition may be used in many industrial branches, including the production of treads and its side walls, tyre inserts, covering of various vessels, hoses, conveyor belts, rubber tubes etc.

EFFECT: improved mechanical properties of tyres, higher anti-abrasion properties and lower rolling friction.

13 cl, 10 tbl, 5 ex, 11 dwg

FIELD: physics.

SUBSTANCE: invention refers to size control method for disperse particles in thermoplastic elastomer composition. Disperse particle size control method includes mixing in melt of the following: (A) halogenated isobutylene elastomer, (B) polyamide, (C) dispersion supplement, and (D) traditional additives. Resulting mixture is subjected to dynamic vulcanization thus forming dynamically vulcanized resin mix; halogenated isobutylene elastomer is dispersed in polyamide matrix at volume-averaged diameter of dispersion particles Dv from 0.01 to 2.5 μm.

EFFECT: thermoplastic elastomer composition with controllable size of disperse elastomer particles and improved durability and impermeability.

8 cl, 2 dwg, 3 tbl, 13 exrsid7429359

FIELD: polymer materials.

SUBSTANCE: thermoplastic elastomer composition contains dynamically vulcanized mixture of partially vulcanized halogenated isobutylene elastomer, polyamide, and conventionally utilized additives, wherein stretching elasticity modulus at 100% elongation for elastomer distributed in polyamide is less than 0.60 MPa and wherein halogenated elastomer is, in particular, brominated or chlorinated one. Preparation of thermoplastic elastomer composition involves dynamic vulcanization of halogenated isobutylene elastomer, polyamide, and conventionally utilized additives at temperature lower than 185°C.

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11 cl, 2 tbl, 2 ex

FIELD: rubber compositions, chemical technology.

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EFFECT: improved preparing method, improved and valuable properties of composition.

51 cl, 4 tbl, 3 ex

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7 cl, 3 tbl, 5 ex

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20 cl, 10 tbl, 5 ex

FIELD: polymer materials.

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11 cl, 1 dwg, 8 tbl

FIELD: polymer mixtures and rubber industry.

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13 cl, 19 tbl, 44 ex

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2 tbl, 1 ex

FIELD: polymer materials.

SUBSTANCE: invention relates to elevated-viscosity thermoplastic halogenated elastomer compositions and to a process for preparing the same. Composition according to invention contains thermoplastic polymer, at least one isoolefin copolymer comprising unit derived from halomethylstyrene, and at least one hindered amine or phosphine compound having the respective structure R1R2 R3N or R1R2R3P wherein R1 is H or C-1-C6-alkyl, R2 is C1-C30-alkyl and R3 is C4-C30-alkyl and further wherein R3 represents alkyl higher than R-1. A process for preparing elevated-viscosity thermoplastic composition consists in mixing thermoplastic polymer, at least one isoolefin copolymer comprising unit derived from halomethylstyrene, and at least one hindered amine or phosphine compound to obtain thermoplastic elastomer compositions, including dynamically cured ones, containing more finely dispersed elastomer.

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4 cl, 10 tbl

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3 cl, 1 ex, 1 tbl

FIELD: transportation; chemistry.

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EFFECT: improved mechanical properties of tyres, higher anti-abrasion properties and lower rolling friction.

13 cl, 10 tbl, 5 ex, 11 dwg

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EFFECT: higher rigidity and friction rate and longer working life.

3 tbl

FIELD: chemistry.

SUBSTANCE: rubber mix consists of (mass part): styrol-butadiene rubber containing 22-25 mass % of styrol - 85-95, divinyl rubber containing 87 to 95% of cis-1,4 units - 5-15, vulcanising group (sulfur - 0.5-1.0, 2-mercaptobenzothiazole - 0.5-1.0, N,N'-dithiodimorpholine - 1-2, molten w,w'-hexachloroparaxylene in wax coating - 1-2, stearic acid - 0.9-2.0, zinc oxide - 4-5), N-phenyl-N'-isopropyl-n-phenylenediamine - 1-2, polymerised 2,2,4-trimethyl-1,2-dihydrochinoline - 1-2, carbon black with specific geometrical surface of 33-36 m2/g - 30-50, kaoline - 20-40, chalk - 25-30, coumarone-indene resin - 2-3, zinc diethyldithiocarbamate - 0.9-1.1, oil paraffin wax - 2-3.

EFFECT: higher specific bulk resistance rate without changing achieved thermal fragility range.

3 tbl

Rubber mixture // 2326140

FIELD: chemistry; rubber industry.

SUBSTANCE: invention pertains to rubber mixtures based on fluoroprene, used for making rubber goods, which can work in conditions affected by fuel and used in the motor-car industry. The rubber mixture consists of a vinylidene fluoride terpolymer and tetrafluoroethylene, magnesium oxide, calcium hydroxide, technical carbon T-900, di-(4hydroxyphenyl)dimethylmethane, pentaerythritol tetrastearate, dibutyl sebacate and a catalyst. The catalyst used is in the form of guanidine quaternary salts, and more specifically, guanidine bromide or chloride. The catalyst is a compound obtained from interaction of phenyl-bi-guanidine hydrochloride or hydrobromide with lower bromide or ethyl chloride, with molar ratio of 1:7 in the presence of a base. The catalyst is taken in percentage mass ratios of 0.5-0.7% at 100% mass of terpolymer.

EFFECT: increased rate of vulcanisation of rubber mixtures; wide range of catalysts for fluoroprene.

3 tbl, 2 ex

FIELD: inorganic chemistry.

SUBSTANCE: invention refers to polymer chemistry particularly to polyurethanes and foamed polyurethanes processing technologies. Described method of all-purpose metal-complex modifier for polyurethane implies solution of metal halogenide in solvent. This method is characterized by solution of metal halogenide having variable valence of stable oxidation level, for example manganese chloride (II) tetrahydrate, in N,N-dimethylethanolamine and ε-caprolactam at mole ratio of metal halogenide: dimethylethanolamine: ε-caprolactam 1:5:5-20. Modifying agent is added to laprole component. Polyurethanes produced with modifying agent are characterized by improved physical-mechanical properties such as ultimate breaking stress, rigidity at deformation 40% and comfort coefficient.

EFFECT: production of polyurethanes with improved physical-mechanical properties; increased comfort coefficient rigidity and ultimate breaking stress.

1 cl, 6 tbl

FIELD: physics.

SUBSTANCE: invention refers to size control method for disperse particles in thermoplastic elastomer composition. Disperse particle size control method includes mixing in melt of the following: (A) halogenated isobutylene elastomer, (B) polyamide, (C) dispersion supplement, and (D) traditional additives. Resulting mixture is subjected to dynamic vulcanization thus forming dynamically vulcanized resin mix; halogenated isobutylene elastomer is dispersed in polyamide matrix at volume-averaged diameter of dispersion particles Dv from 0.01 to 2.5 μm.

EFFECT: thermoplastic elastomer composition with controllable size of disperse elastomer particles and improved durability and impermeability.

8 cl, 2 dwg, 3 tbl, 13 exrsid7429359

FIELD: chemistry.

SUBSTANCE: invention relates to rubber-processing industry, in particular, to formula of non-vulcanisable polyisobutylene-based rubber composition, and can be used for manufacturing highly acid-, alkali- and oxidant-resistant sealing materials, as well as sheet anti-corrosive and waterproofing materials for chemical equipment and built structures. Non-vulcanisable rubber composition contains, parts by weight: polyisobutylene P-200-100, when required, semi-active technical grade carbon P-514-0-10, inactive inorganic filler - talcum powder, kaolin or mixture thereof -250-370, rubber resin SKD-2-10-20.

EFFECT: less adhesion to working surfaces of rubber-processing equipment; improved physical and chemical properties, corrosion resistance of the composition being retained.

6 tbl, 3 ex

FIELD: chemistry of polymers.

SUBSTANCE: invention proposes a polymeric composition for preparing film materials, linoleum, insulation, protective envelopes, wires, cables and other articles of technical designation. The composition comprises polyvinyl chloride, lime, lithopone, soda, complex plasticizing agent consisting of dioctyl phthalate and product prepared by interaction of higher fatty chlorinated acids of the general formula: R(CHCl)nCOOH wherein R means aliphatic radical comprising 9-22 carbon atoms; n = 1-4 that represents chloroparaffin oxidate CHP-30 in chloroparaffin CHP-30 medium and ethyl or butyl alcohol taken in the mass ratio = 5:1. Invention provides enhancing capacity for plasticity, physicomechanical properties of polymeric materials, expanding assortment of plasticizing agents and reducing toxicity of polymeric composition.

EFFECT: improved and valuable properties of composition and articles.

1 tbl

FIELD: polymer materials.

SUBSTANCE: thermoplastic elastomer composition contains dynamically vulcanized mixture of partially vulcanized halogenated isobutylene elastomer, polyamide, and conventionally utilized additives, wherein stretching elasticity modulus at 100% elongation for elastomer distributed in polyamide is less than 0.60 MPa and wherein halogenated elastomer is, in particular, brominated or chlorinated one. Preparation of thermoplastic elastomer composition involves dynamic vulcanization of halogenated isobutylene elastomer, polyamide, and conventionally utilized additives at temperature lower than 185°C.

EFFECT: improved durability and flexibility of composition.

11 cl, 2 tbl, 2 ex

FIELD: rubber industry.

SUBSTANCE: method comprises mixing sulfur, zinc oxide, stearic acid, tetramethylthiuram disulfide, mercaptobenzothiazole, and carbon black. During the mixing process, a modifier is incorporated, said modifier having been preliminarily prepared via interaction, at 150°C, of 1.66-3.34 wt parts epoxide dian resin "ED-20" and 0.83-1.67 wt parts aniline production bottom waste containing 15-18 wt parts aniline at weight ratio of components 2:1, respectively.

EFFECT: improved physico-mechanical characteristics of rubber and increased adhesion thereof to metal when using chloroprene glues.

5 tbl

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