Rubber composition for tire tread

Details Rubber composition for tire tread Rubber composition for tire tread

2011-08-02

2011-08-02

Cano, Milton I (Department: 1763)

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S216000, C524S492000, C524S495000, C524S526000

Reexamination Certificate

active

07989550

ABSTRACT:
A rubber composition for a tire tread comprising (A) 100 parts by weight of a rubber component containing (a) 50 to 95 parts by weight of a diene-based rubber containing 50 to 100% by weight of an aromatic vinyl-conjugated diene copolymer rubber and (b) 5 to 50 parts by weight of a conjugated diene-based rubber gel having a toluene swelling index Qiof 16 to 70 and (B) 3 to 40 parts by weight, based upon 100 parts by weight of the total rubber component, of a copolymer resin of an aromatic vinyl and dipentene and/or pinene having a softening point of 100 to 150° C. and a high performance tire using the above rubber composition are disclosed.

REFERENCES:
patent: 6022923 (2000-02-01), Araki et al.
patent: 6403720 (2002-06-01), Chino et al.
patent: 2006/0094815 (2006-05-01), Kunisawa et al.
patent: 2006/0167160 (2006-07-01), Nakagawa et al.
patent: 2007/0037908 (2007-02-01), Pille-Wolf
patent: 2007/0167555 (2007-07-01), Amino et al.
patent: 2007/0187032 (2007-08-01), Wang
patent: 2009/0292063 (2009-11-01), Robert et al.
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patent: WO-2005/082995 (2005-09-01), None
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Machine Translated English equivalent of JP 06-057086 A.
Machine Translated English equivalent of FR 2889538 A1.
Machine translated English equivalent of JP 05287126 A, 5 pages.
Machine translated English equivalent of JP 09309978 A, 4 pages.
Dercolyte TS 105 Product Information, 2 pages.

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