Method for manufacturing reactive injection-molded products

Details Method for manufacturing reactive injection-molded products Method for manufacturing reactive injection-molded products

1983-12-23

1985-05-14

Anderson, Philip

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

264 53, 264 54, 2643286, 264DIG83, 521110, 528 48, B29C 104, B29F 100, B29D 2700, C08K 554

Patent

active

045171505

ABSTRACT:
What is disclosed is a method of producing molded polyurethane articles by a reaction injection molding process which includes mixing one or more polyols, polyisocyanates and catalysts with an organopolysiloxane containing at least one --COOA group, wherein A is an alkali metal, and molding the curing the mixture.
An example of the organopolysiloxane is ##STR1##

REFERENCES:
patent: 3993606 (1976-11-01), von Bonin et al.
patent: 4024090 (1977-05-01), von Bonin et al.
patent: 4076695 (1978-02-01), Keil
patent: 4220727 (1980-09-01), Godlewski

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