Tire with component of rubber composition comprised of a...

Details Tire with component of rubber composition comprised of a... Tire with component of rubber composition comprised of a...

2005-05-17

2005-05-17

Wu, David W. (Department: 1713)

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

Synthetic resins

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

C525S333100, C525S192000, C525S232000, C525S237000, C524S495000, C524S492000, C152S209100

Reexamination Certificate

active

06894122

ABSTRACT:
This invention relates to a tire having at least one component (e.g. tread) of a rubber composition comprised of a carbon black and precipitated silica reinforced elastomer blend comprised of a combination of hydroxyl functionalized aqueous emulsion polymerization prepared styrene/butadiene copolymer elastomer (E-SBR) and tin coupled organic solvent solution polymerization prepared styrene/butadiene copolymer elastomer (S-SBR) and/or isoprene/butadiene copolymer elastomer. Preferably, said E-SBR is exclusive of functional groups reactive with alkoxy groups other than said hydroxyl functional groups. A coupling agent as bis(3-triethoxysilylpropyl)polysulfide having an average of from only 2 to 2.6 connecting sulfur atoms in its polysulfidic bridge is used. The invention further relates to an article of manufacture, such as for example a tire, having at least one component of a rubber composition comprised of said elastomer blend.

REFERENCES:
patent: 4150014 (1979-04-01), Edwards et al.
patent: 4150015 (1979-04-01), Edwards et al.
patent: 4152308 (1979-05-01), Edwards et al.
patent: 4357432 (1982-11-01), Edwards
patent: 5916957 (1999-06-01), Itoh et al.
patent: 6090880 (2000-07-01), Zimmer et al.
patent: 6548578 (2003-04-01), Pawlikowski
patent: 20020120052 (2002-08-01), Wendling et al.
KR 2001-17712 (abstract in English only).

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