Process for the production of moldings

Details Process for the production of moldings Process for the production of moldings

1985-09-19

1986-09-02

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 51, 521130, 521172, 528 48, 528 49, 528 745, 528 75, 264 51, 2643281, 2643286, 26433119, C08G 1814

Patent

active

046096825

ABSTRACT:
The present invention relates to a new process for the production of elastomeric polyurethane moldings which may be microcellular having a sealed surface layer and an average density of from 0.8 to 1.4 g/cm.sup.3, wherein specific condensation products of ricinoleic acid are used as internal mold release agents.

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patent: 3037947 (1962-06-01), Elkin
patent: 3356621 (1967-12-01), Hopkins et al.
patent: 3726952 (1973-04-01), Boder et al.
patent: 3993606 (1976-11-01), Wulf von Bonin
patent: 4024090 (1977-05-01), Bonin et al.
patent: 4033912 (1977-07-01), Kleinmann et al.
patent: 4058492 (1977-11-01), Bonin et al.
patent: 4098731 (1978-07-01), Bonin et al.
patent: 4218543 (1980-08-01), Weber et al.
patent: 4254228 (1981-03-01), Kleinmann et al.

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