Process for producing integral skin polyurethane foam

Details Process for producing integral skin polyurethane foam Process for producing integral skin polyurethane foam

1982-01-19

1984-04-24

Anderson, Philip E.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

264 53, 2643286, 521 51, 521129, 521167, B29D 2700

Patent

active

044447043

ABSTRACT:
Integral skin polymethane foams can be produced in a short time by impingement mixing a solution comprising polyols containing as an essential component a polyol derived from aromatic amine, a blowing agent and a special catalyst of tertiary amine salt having a hetero ring in the molecule, with a solution comprising one or more polyisocyanates, followed by injection into a closed mold and foaming and curing therein.

REFERENCES:
patent: 4126742 (1978-11-01), Carleton et al.
patent: 4342842 (1982-08-01), Hira et al.

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