Rubber composition for sidewall and use the pneumatic tire of this rubber composition

Rubber composition for sidewall and use the pneumatic tire of this rubber composition

  • CN 103,476,850 B
  • Filed: 04/18/2012
  • Issued: 10/12/2016
  • Est. Priority Date: 04/19/2011
  • Status: Active Grant
First Claim
Patent Images

1. a rubber composition for sidewall, it is characterised in that relative to by cis-Isosorbide-5-Nitrae linkage contentBe the Mooney viscosity (ML1+4) at more than 97%, 100 DEG C be 5 at more than 45 and 25 DEG CQuality % toluene solution viscosities (T-cp) (cps) is (T-cp)/(ML1+4) with the ratio of this Mooney viscosityBe 2.2 less than 2.5 the butadiene rubber of 30~

  • 70 mass %, and 30~

    70 mass %The rubber constituent of 100 mass parts that both other polydienes are constituted,It is 20m containing N2 adsorption specific surface area2/ more than g and be 27m2/ below g, DBP oil absorption are50~

    87cm3The carbon black of 30~

    40 mass parts of/100g.

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