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US4181781A In-situ polyvinyl grafting of polyurethanes 失效
聚氨酯的原位聚乙烯接枝

In-situ polyvinyl grafting of polyurethanes
摘要:
Disclosed is a process for preparing polyurethane which comprises including an azo or peroxy di-ester polyol and an ethylenically unsaturated monomer in a polyurethane reaction formulation to effect simultaneous graft copolymerization and polyurethane polymerization. Novel polyurethane compositions are produced.
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