Diene rubber composition based on alumina as reinforcing filler

Details Diene rubber composition based on alumina as reinforcing filler Diene rubber composition based on alumina as reinforcing filler

1997-05-23

1999-05-04

Cain, Edward J.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524437, 524492, 524493, 524495, 524496, C08K 318

Patent

active

059004495

ABSTRACT:
A rubber composition based on at least one diene elastomer, including, as inforcing filler, alumina which has a BET surface ranging from 30 to 400 m.sup.2 /g, a mean particle size smaller than or equal to 500 nm, a high proportion of Al--OH surface reactive functional groups, a high dispersibility and a coupling agent present in a quantity, expressed in moles per square meter of alumina, ranging from 10.sup.-7 to 10.sup.-5, particularly suitable for the manufacture of tires.

REFERENCES:
patent: 5227425 (1993-07-01), Ravline
patent: 5580919 (1996-12-01), Agostini et al.

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