Ethylene, vinyl acetate and vinylalkoxysilane copolymer hot-melt

Details Ethylene, vinyl acetate and vinylalkoxysilane copolymer hot-melt Ethylene, vinyl acetate and vinylalkoxysilane copolymer hot-melt

1996-09-30

1998-03-24

Cain, Edward J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C08F 3008

Patent

active

057313849

ABSTRACT:
The present invention relates to hot-melt adhesive compositions based on copolymers of ethylene, vinyl acetate and vinylalkoxysilane units, which are crosslinkable by moisture, wherein the hot-melt adhesive is substantially anhydrous. More particularly, it relates to the storage stability of the hot-melt adhesive compositions including at least one crosslinking catalyst. The invention also relates to a process for the manufacture of the hot-melt adhesive composition comprising drying the hot-melt adhesive under vacuum at a temperature lower than 180.degree. C. and purging with a dry gas at a temperature lower than 180.degree. C.

REFERENCES:
patent: 5209977 (1993-05-01), Heimberg et al.
A.M. Henderson, TAPPI Proceedings, 1994 Hot Melt Symposium, p.81.

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