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US5324778A Process for preparing novel moisture-curable hot-melt adhesive compositions 失效
制备新型湿固化热熔粘合剂组合物的方法

Process for preparing novel moisture-curable hot-melt adhesive
compositions
摘要:
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.
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