Title:
SILICA-REINFORCED RUBBER COMPOUNDED WITH AN ORGANOSILANE TETRASULFIDE SILICA COUPLING AGENT AT HIGH MIXING TEMPERATURE
Document Type and Number:
WIPO Patent Application WO2002031034
Kind Code:
A3
Abstract:
Sulfur-vulcanizable elastomeric compounds and pneumatic tire components having improved tensile mechanical and dynamic viscoelastic properties are produced by compounding polymers with silica at a temperature of 165 DEG C to about 200 DEG C, in the presence of a silica dispersing agent, and a very small amount e.g. , about 0.01 % to about 1 % by weight based on the silica) of a bis(trialkoxysilylorgano) tetrasulfide silica coupling agent.
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Inventors:
LIN CHEN-CHY (US)
HERGENROTHER WILLIAM (US)
HILTON ASHLEY (US)
HERGENROTHER WILLIAM (US)
HILTON ASHLEY (US)
Application Number:
PCT/US2001/030935
Publication Date:
August 22, 2002
Filing Date:
October 03, 2001
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
LIN CHEN-CHY (US)
HERGENROTHER WILLIAM (US)
HILTON ASHLEY (US)
LIN CHEN-CHY (US)
HERGENROTHER WILLIAM (US)
HILTON ASHLEY (US)
International Classes:
C08J3/20; C08K3/04; C08K3/06; C08K3/36; C08K5/103; B60C1/00; C08K5/372; C08K5/5415; C08K5/548; C08L9/00; C08L25/06; C08L101/00; (IPC1-7): C08K13/02; C08L21/00
Foreign References:
EP0933391A1 | 1999-08-04 | |||
EP0731134A1 | 1996-09-11 | |||
EP0791623A1 | 1997-08-27 | |||
EP0805179A2 | 1997-11-05 |
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