Polyurethane adhesive compositions containing oxyacid of phospho

Details Polyurethane adhesive compositions containing oxyacid of phospho Polyurethane adhesive compositions containing oxyacid of phospho

1983-09-07

1985-03-26

Briggs, Sr., Wilbert J.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525111, 525440, 528 27, 528 28, C08L 6302, C08L 7504

Patent

active

045074470

ABSTRACT:
A polyurethane adhesive composition, which comprises an organic polyisocyanate, a polyol, an oxyacid of phosphorus or a derivative thereof, an epoxy resinand a silane coupling agent.
The polyurethane adhesive composition, when used as an adhesive for packaging materials for food, provides the bond showing outstandingly excellent adhesion strength, heat resistance and hot-water resistance between metal foil such as aluminum foil and films of plastics such as polyethylene, polypropylene, nylon and polyethylene terephthalate etc.

REFERENCES:
patent: 4206299 (1980-06-01), Yamazaki

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