Method for improving rubbers

Details Method for improving rubbers Method for improving rubbers

1986-03-27

1987-11-03

Schofer, Joseph L.

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...

524572, 525285, 5253293, 5253328, 5253329, 5253331, 5253332, 525367, 525371, C08F 842

Patent

active

047044276

ABSTRACT:
A method for improving the physical properties of a rubber having --C(CH.sub.3).dbd.C-- type unsaturated bonds, characterized by subjecting said rubber to two reactions consisting of a modification reaction by Lewis acid and a carboxylation reaction in any desired order.

REFERENCES:
patent: 4412041 (1983-10-01), Kitahara et al.
patent: 4525541 (1985-06-01), Kitahara et al.

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