Cut growth resistant rubbers

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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Details

525141, C08L 7102, C08L 900, C08L 2316, C08L 1900

Patent

active

041973836

ABSTRACT:
A method of providing a cured low unsaturated elastomer polymer of improved crack growth resistance under high flex conditions. Specifically, oxypropylene rubbers are compounded with small amounts of hexamethylene tetramine and polyhydroxyl aromatic compounds having less than 500 molecular weight.

REFERENCES:
patent: 3638702 (1972-02-01), Endter
patent: 3676529 (1972-07-01), Fall
patent: 3738948 (1973-06-01), Dunnom
patent: 3746669 (1973-07-01), Dunnom et al.
patent: 3821133 (1974-06-01), Doran et al.

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