Process for producing moldings using a mold release agent

Details Process for producing moldings using a mold release agent Process for producing moldings using a mold release agent

1996-02-05

1998-02-10

Kuhns, Allan R.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

264 51, 264338, B28B 736

Patent

active

057165807

ABSTRACT:
The present invention is directed to a process for the production of moldings from plastic forming materials in metal molds comprising coating at least a portion of the internal walls of the mold with an external mold release agent, introducing the plastic forming material into the mold, closing the mold, and removing the product from the mold, the improvement wherein the external mold release agent comprises one or more organic compounds the molecules of contain on a statistical average

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patent: 4312672 (1982-01-01), Blahak et al.
patent: 4487912 (1984-12-01), Zimmerman et al.
patent: 4774263 (1988-09-01), Weber et al.
patent: 4774264 (1988-09-01), Weber et al.
patent: 5036151 (1991-07-01), Ohst et al.

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