Process for the production of molded products using internal mol

Details Process for the production of molded products using internal mol Process for the production of molded products using internal mol

1994-07-14

1996-03-19

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

264300, 2643286, 26432818, B29C 4500, B29C 7012

Patent

active

055001769

ABSTRACT:
The present invention is directed to an improved internal mold release system for the production of high density molded SRIM parts, i.e. molded parts having a density of from 1.3 to 2.0 g/cc. In particular, the process includes reacting a reaction mixture including an organic polyisocyanate and at least one organic compound containing isocyanate-reactive hydrogens in the presence of a catalyst and an internal mold release agent in a closed mold. The internal mold release agent includes:

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