Composition for tire sidewalls and other rubber constructions

Details Composition for tire sidewalls and other rubber constructions Composition for tire sidewalls and other rubber constructions

2005-01-04

2005-01-04

Copenheaver, Blaine (Department: 1733)

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

C525S209000, C525S241000

Reexamination Certificate

active

06837288

ABSTRACT:
Rubber blends of brominated isobutylene/para-methylstyrene copolymers of 9.5 to 20 weight percent aromatic monomer content and 0.2 to 1.0 mole percent benzylic bromine content. The blends have good cure characteristics, good adhesion and flex crack resistance, as well as ozone resistance. The blends are useful in tire sidewalls, and other applications.

REFERENCES:
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patent: 5162445 (1992-11-01), Powers et al.
patent: 5376438 (1994-12-01), Costemalle et al.
patent: 5504164 (1996-04-01), O'Donnell
patent: 5532312 (1996-07-01), Gursky et al.
patent: 5656694 (1997-08-01), Frechet et al.
patent: 5714022 (1998-02-01), Nagao et al.
patent: 5959049 (1999-09-01), Powers et al.
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patent: 0 801 106 (1997-10-01), None
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Abstract 38848, Research Disclosure, Kenneth Mason Publications Ltd., p. 513-4. (Aug. 1996).
Abstract 38830, Research Disclosure, Kenneth Mason Publications Ltd., p. 490-1. (Aug. 1996).
ASTM D 2084-95—“Standard Test Method for Rubber Property—Vulcanization Using Oscillating Disk Cure Meter”.
Vanderbilt Rubber Handbook(1990), pp. 605.

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