COPOLYMER, RUBBER COMPOSITION, CROSS-LINKED RUBBER COMPOSITION AND TYRE Russian patent published in 2014 - IPC C08F236/04 C08F210/00 C08F297/08 C08L9/00 

Abstract RU 2528410 C1

FIELD: chemistry.

SUBSTANCE: copolymer of a conjugated diene compound and an unconjugated olefin contains a copolymer with monotonous variation of composition on the chain, which includes: at least one representative selected from a block sequence comprising monomer links of a conjugated diene compound, and a block sequence comprising monomer links of an unconjugated olefin; and a random sequence comprising randomly arranged monomer links of a conjugated diene compound and monomer links of an unconjugated olefin, wherein the unconjugated olefin component includes a chain structure which does not include a plurality of long-chain block components of an unconjugated olefin with absolute molecular weight greater than 10000, wherein the structure comprises a plurality of short-chain block components of an unconjugated olefin with absolute molecular weight less than 10000. Also disclosed is a rubber composition and a tyre.

EFFECT: copolymer is used to produce rubber with good heat-resistance and bending fatigue strength.

17 cl, 3 tbl, 7 dwg, 6 ex

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RU 2 528 410 C1

Authors

Khorikava Jasuo

Kaita Sodziro

Tardif Oliv'E

Matsusita Dzunko

Dates

2014-09-20Published

2011-07-26Filed