Method of vulcanizing rubber at pH 5 to 10

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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525352, 525387, C08C 1920, C08K 514

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active

049653237

ABSTRACT:
A rubber composition comprising a nitrile group-containing hydrocarbon rubber and a vulcanizing system, characterized in that the iodine value of said rubber does not exceed 120 and the pH of the tetrahydrofuran solution of said rubber is at least 5.

REFERENCES:
patent: 3700637 (1972-10-01), Finch, Jr.
patent: 3872072 (1975-03-01), Halasa
patent: 4337329 (1982-06-01), Kubo
patent: 4384081 (1983-05-01), Kubo
patent: 4404329 (1983-09-01), Maeda
patent: 4452951 (1984-06-01), Kubo
patent: 4464515 (1984-08-01), Rempel
patent: 4656219 (1987-04-01), Oyama
Chem. Abst., 73, 569-586 (1970).

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