Polyurethane adhesive of epoxy resin, polyisocyanate, phosphorus

Details Polyurethane adhesive of epoxy resin, polyisocyanate, phosphorus Polyurethane adhesive of epoxy resin, polyisocyanate, phosphorus

1989-06-20

1992-03-17

Marquis, Melvyn I.

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

Synthetic resins

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

525111, 525423, 525454, 525528, C08L 6302, C08L 6702, C08L 7506

Patent

active

050969803

ABSTRACT:
A polyurethane adhesive composition containing an oxy acid of phosphorus or a derivative thereof, a carboxylic acid or an anhydride thereof and an epoxy resin can serve as an adhesive for manufacturing food packaging materials, for instance, giving bonds having very good bond strength, heat resistance and hot water resistance between a metal foil and a plastic film.

REFERENCES:
patent: 3170833 (1965-02-01), Noyes
patent: 3423270 (1969-01-01), Heins
patent: 4401499 (1983-08-01), Kaneko et al.
patent: 4507447 (1985-03-01), Yamazaki et al.
patent: 4613660 (1986-09-01), Goel et al.
patent: 4654409 (1987-03-01), Shirai et al.
patent: 4739020 (1988-04-01), Carson et al.

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