Water-based vacuum forming laminating adhesive

作者: Masayuki Nakajima , Kurt G. Olson , Richard L. Coalson , Umesh C. Desai

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摘要: A water-based vacuum forming laminating adhesive includes an ionic water-dispersed polyurethane, a carbodiimide and/or aziridine, and optionally vinyl acetate polymer. The polyurethane is characterized by high polydispersity index, which provides combination of adhesion thermal stability. made chain extending isocyanate functional urethane prepolymer with polyamine ketimine.