Rubber composition for a tire tread

Details Rubber composition for a tire tread Rubber composition for a tire tread

2006-08-01

2006-08-01

Harlan, Robert D. (Department: 1713)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S336000, C526S340300, C152S209100, C152S905000

Reexamination Certificate

active

07084228

ABSTRACT:
A cross-linkable or cross-linked rubber composition usable to constitute a tire tread having improved wear resistance, to such a tread and to a tire incorporating this tread. The composition is particularly applicable to tires of passenger-vehicle type. The rubber composition includes a plasticizing resin of number-average molecular weight of from 400 to 2000 g/mol, the resin having units resulting from the polymerization of a monocyclic or bicyclic unsaturated terpene, in a mass fraction of from 70% to 100%, and having a glass transition temperature greater than 50° C. and less than 120° C.

REFERENCES:
patent: 6121392 (2000-09-01), Thompson
patent: 6245873 (2001-06-01), Wideman et al.
patent: 0 899 297 (2001-10-01), None
patent: 1 050 547 (2004-10-01), None
patent: 10-204216 (1998-04-01), None

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