Tyre tread reinforced with silica having a low specific surface area

Tyre tread reinforced with silica having a low specific surface area

  • CN 1,547,601 A
  • Filed: 06/21/2002
  • Published: 11/17/2004
  • Est. Priority Date: 06/28/2001
  • Status: Active Grant
First Claim
Patent Images

1. an introducing is by the tire tread of mineral filler elastomeric composition reinforced, and described tyre surface is at least based on following material (phr=parts by weight per hundred parts of diene elastomer):

  • (i) diene elastomer;

    (ii) as the silicon-dioxide that strengthens mineral filler with following characteristic greater than 80phr;

    (a) less than 130m 2The BET specific surface area of/g;

    (b) mean particle size of 30-300nm, d wThe coupling agent of key (iii) is provided between described enhancing mineral filler and diene elastomer;

    (iv) vulcanization system, it comprises sulphur, vulcanization accelerator and as the 0.5-1.5phr zinc of vulcanization activator.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×