FIELD: chemistry.
SUBSTANCE: invention relates to a rubber composition reinforced with reinforcing filler, and can be used to manufacture vehicle tyres. Composition comprises: from 0 to less than 20 phr of butyl rubber, from more than 50 to 100 phr of a polyisoprene matrix containing an epoxidised polyisoprene having a molar degree of epoxidation from 5 % to less than 50 %; carbon black and silicon dioxide, wherein the mass of carbon black is more than 50 % of the total mass of carbon black and silicon dioxide; from 0 to less than 2 phr binding agent, a crosslinking system. Epoxidised polyisoprene is an epoxidised natural rubber, with the proviso that if the epoxidised polyisoprene is an epoxidised polyisoprene having a molar degree of epoxidation of from 5 % to 25 %, the rubber composition contains more than 50 phr epoxidised polyisoprene.
EFFECT: invention improves the trade-off between stiffness in the cured state and the hysteresis of the composition.
27 cl, 3 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| PNEUMATIC TYRE EQUIPPED WITH INNER LAYER | 2018 |
|
RU2747313C1 |
| STRUCTURE COMPRISING JOINTING LAYER | 2006 |
|
RU2401743C2 |
| METHOD OF PRODUCING MOTHER BATCH BASED ON DIENE ELASTOMER AND SILICA | 2012 |
|
RU2609162C2 |
| METHOD OF PRODUCING MOTHER BATCH BASED ON DIENE ELASTOMER AND SILICA | 2012 |
|
RU2609161C2 |
| METHOD FOR PREPARING BLOCK-COPOLYMERS FOR COMPOSITIONS OF TIRE PROTECTORS AND COPOLYMERS | 2002 |
|
RU2289596C2 |
| PLASTICISING SYSTEM FOR RUBBER COMPOSITION | 2005 |
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RU2382799C2 |
| METHOD OF PRODUCTION OF TIRES AND TIRES MANUFACTURED BY THIS METHOD FROM ELASTOMER COMPOSITIONS | 1999 |
|
RU2245251C2 |
| POLYMER CARRYING CERTAIN SIDE IMIDAZOLIDINONE FUNCTIONAL GROUPS | 2018 |
|
RU2758218C2 |
| COMPOSITION OF TREAD RUBBER FOR TIRES | 2003 |
|
RU2340637C2 |
| RUBBER COMPOSITION FOR TIRE TREAD | 2020 |
|
RU2818955C2 |
