Process for the production of molded polyurethane foams and the

Details Process for the production of molded polyurethane foams and the Process for the production of molded polyurethane foams and the

1989-11-22

1991-06-18

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521117, 521121, 521128, 521130, 521157, C08G 1814

Patent

active

050250396

ABSTRACT:
The present invention is directed to a process for the production of molded polyurethane foams having a compact surface and a density of at least 250 kg/m.sup.3 by the in-mold foaming of a reaction mixture containing

REFERENCES:
patent: 4070310 (1978-01-01), Schneider et al.
patent: 4377644 (1983-03-01), Kopp et al.
patent: 4417002 (1983-11-01), Liessem
patent: 4473666 (1984-09-01), Casati et al.
patent: 4520141 (1985-05-01), Kumasaka et al.
Polyurethane Handbook, Chemistry--Raw Materials--Processing--Application Properties, Dr. Gunter Oertel, 1985, pp. 315-317.
The ICI Polyurethanes Book, 1987, George Woods, pp. 88-100.

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