Adhesion enhancer for covered polyurethane panels

Details Adhesion enhancer for covered polyurethane panels Adhesion enhancer for covered polyurethane panels

1987-11-19

1989-03-14

Van Balen, William J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

4283166, 4283175, 4283197, 4284234, 428904, B32B 326

Patent

active

048123501

ABSTRACT:
Covered polyurethane foam panels have incorporated in them an adhesion enhancer which is composed of a polyester polyol and a heteric polyether polyol. The polyester polyol is preferably an adduct of adipic acid with ethylene glycol and butanediol. The heteric polyether polyol contains from about 35 weight percent to about 75 weight percent ethylene oxide, the remainder being propylene or butylene oxide and has a functionality from about 2 to about 3.

REFERENCES:
patent: 4353955 (1982-10-01), Cook

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