Thermosetting polyurethane structural adhesive compositions and

Details Thermosetting polyurethane structural adhesive compositions and Thermosetting polyurethane structural adhesive compositions and

1992-02-28

1993-07-27

Seidleck, James J.

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

Synthetic resins

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

525454, 528 61, C08G 1832, C08L 7506, C08L 7706

Patent

active

052311473

ABSTRACT:
The present invention relates to thermosetting polyurethane structural adhesive composites and compositions and processes for producing the same comprising dispersing an amine-terminated solid polyamide resin into a polyurethane base resin to form a nonactivated adhesive composite, and activating the same by heating to form an adhesive composition. Another aspect of the invention relates to dispersing an amine-terminated solid polyamide resin and a water generating compound into the polyurethane base resin and heat-activating the same to form an adhesive composition. The invention also relates to polyurethane base resins suitable for use in the processes of the invention, which may also be moisture cured to form a reactive adhesive composition.

REFERENCES:
patent: 3375299 (1968-03-01), Levine et al.
patent: 4336298 (1982-06-01), Schwarz
patent: 4511626 (1985-04-01), Schumacher
patent: 4608418 (1986-08-01), Czerwinski et al.
patent: 4647646 (1987-03-01), Hardy et al.
patent: 4803257 (1989-02-01), Goel
patent: 5075407 (1991-12-01), Cody et al.

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