Elastic foamed material containing large amount of metallic comp

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...

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521140, 523136, C08V 900

Patent

active

047405260

ABSTRACT:
A pliable and elastic foamed material containing a large quantity of metallic grains or particles comprising a foamed rubber matrix and metallic grains or particles contained in said matrix in the amount of not less than the parts by weight of said rubber matrix, said foamed rubber matrix being composed of a mixture of 100 parts by weight of a first rubber material of a number-average molecular weight of more than 100,000 and 40 to 45 parts by weight of a second rubber material of a number-average molecular weight of from 2,000 to 12,000.

REFERENCES:
patent: 3714083 (1973-01-01), Nakayama et al.
patent: 3717559 (1973-02-01), Oyama et al.
patent: 4226945 (1980-10-01), Bucken et al.
patent: 4252909 (1981-02-01), Honma et al.
patent: 4307204 (1981-12-01), Vidal
patent: 4310582 (1982-01-01), Stumpe, Jr.
patent: 4495240 (1985-01-01), McCarthy

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