Pumpability sealant composition

Details Pumpability sealant composition Pumpability sealant composition

1989-03-27

1992-06-02

Bell, Janyce

Coating processes

Interior of hollow article coating

427239, 427245, 427247, 427287, 4273881, B05D 702

Patent

active

051185318

ABSTRACT:
A pumpable sealant composition comprises of (A) ethylene/propylene nonconjugated polyene terpolymer having a number average molecular weight of between about 4,000 and about 15,000; (B) ethylene/propylene copolymer having a number average molecular weight of between about 500 and about 5,000; (C) an effective amount of curative; (D) (optionally) filler; and (E) (optionally) a blowing agent; which composition possesses a Brookfield viscosity of between about 100,000 and about 5,000,000 centipoise at shear rates of 5 reciprocal seconds or greater at 22.degree. C. Also disclosed is a method of protecting a substrate employing such composition.

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