PNEUMATIC OBJECT PROVIDED WITH GAS-IMPERMEABLE LAYER BASED ON STYRENE THERMOPLASTIC ELASTOMER AND POLYPHENYLENE ETHER Russian patent published in 2015 - IPC B60C5/14 C08L53/02 C08L25/08 C08L23/22 C08K5/06 

FIELD: chemistry.

SUBSTANCE: present invention relates to a pneumatic object. Pneumatic object is described which is provided with an elastomeric layer which is impermeable for inflating gas, wherein said impermeable elastomeric layer contains at least one thermoplastic styrene elastomer with block polyisobutylene, characterised by that said impermeable elastomeric layer additionally contains plasticising oil in amount of more than 5 to less than 150 phr (weight parts per 100 parts elastomer) and polyphenylene ether (PPE), where the polyphenylene ether is selected from a group consisting of poly(2,6-dimethyl-1,4-phenyl ether), poly(2,6-dimethyl-co-2,3,6-trimethyl-1,4-phenyl ether), poly-(2,3,6-trimethyl-1,4-phenyl ether), poly(2,6-diethyl-1,4-phenyl ether), poly(2-methyl-6-ethyl-1,4-phenyl ether), poly(2-methyl-6-propyl-1,4-phenyl ether), poly(2,6-dipropyl-1,4-phenyl ether), poly(2-ethyl-6-propyl-1,4-phenyl ether), poly(2,6-dilauryl-1,4-phenyl ether), poly(2,6-diphenyl-1,4-phenyl ether), poly(2,6-dimethoxy-1,4-phenyl ether), poly(1,6-diethoxy-1,4-phenyl ether), poly(2-methoxy-6-ethoxy-1,4-phenyl ether), poly(2-ethyl-6-stearyloxy-1,4-phenyl ether), poly(2,6-dichloro-1,4-phenyl ether), poly(2-methyl-6-phenyl-1,4-phenyl ether), poly(2-ethoxy-1,4-phenyl ether), poly(2-chloro-1,4-phenyl ether), poly(2,6-dibromo-1,4-phenyl ether), poly(3-bromo-2,6-dimethyl-1,4-phenyl ether), corresponding copolymers thereof and mixtures of said homopolymers or copolymers, and that the weight fraction of the polyphenyl ether ranges from more than 0.05 to less 5 times the weight fraction of styrene present in the thermoplastic styrene elastomer itself.

EFFECT: improved heat resistance and gas-impermeability of the gas-impermeable layer of the pneumatic object.

16 cl, 1 dwg, 3 tbl, 3 ex