Process for preparing novel moisture-curable hot-melt adhesive c

Details Process for preparing novel moisture-curable hot-melt adhesive c Process for preparing novel moisture-curable hot-melt adhesive c

1992-11-05

1994-06-28

Reddick, Judy M.

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

Synthetic resins

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

524503, 525 58, 525 60, 525 61, 525374, C08F 1606

Patent

active

053247787

ABSTRACT:
Novel crosslinkable hot-melt adhesive compositions, curable by atmospheric moisture, include (i) the prepolymerizate of an hydroxylated ethylene/vinyl acetate copolymer with a stoichiometric excess of a polyisocyanate, e.g., a diisocyanate, such prepolymerizate containing an effective crosslinkable amount of free isocyanate functional groups, and, optionally, (ii) an adhesive tackifying resin.

REFERENCES:
patent: 3632789 (1972-01-01), Wilhelm et al.
patent: 4215023 (1980-07-01), Strolle
patent: 4295910 (1981-10-01), Cooley et al.
patent: 4433095 (1984-02-01), Hombach et al.

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