Water-based vacuum forming laminating adhesive

Details Water-based vacuum forming laminating adhesive Water-based vacuum forming laminating adhesive

1996-09-20

1997-07-29

Niland, Patrick

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524590, 524591, 524839, 524840, 524507, 525123, 525452, 525453, 525455, C08J 300, C08K 320, C08L 7500

Patent

active

056522991

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

REFERENCES:
patent: 4670100 (1987-06-01), Henning et al.
patent: 4762880 (1988-08-01), Leung
patent: 4853061 (1989-08-01), Leung
patent: 5430094 (1995-07-01), Gola et al.

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