Polyurethane molding process with siloxane internal release agen

Details Polyurethane molding process with siloxane internal release agen Polyurethane molding process with siloxane internal release agen

1981-03-20

1983-04-05

Czaja, Donald E.

Plastic and nonmetallic article shaping or treating: processes

With step of cleaning, polishing, or preconditioning...

264338, 521110, B28B 736, B28B 738

Patent

active

043791000

ABSTRACT:
An improved polyurethane RIM process using a polycarboxy-functional alkyl siloxane as an internal release agent characterized by:

REFERENCES:
patent: 4033912 (1977-07-01), Kleimann et al.
patent: 4048105 (1977-09-01), Salisbury
patent: 4076695 (1978-02-01), Keil
patent: 4102833 (1978-07-01), Salisbury
patent: 4111861 (1978-09-01), Godlewski
patent: 4130698 (1978-12-01), Sparrow et al.
patent: 4220727 (1980-09-01), Godlewski
patent: 4254228 (1981-03-01), Kleimann et al.

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