Process of preparing molded products using an internal hold rele

Details Process of preparing molded products using an internal hold rele Process of preparing molded products using an internal hold rele

1991-01-30

1992-11-17

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

106 3824, 252 336, 264 51, 2643286, 521110, 521122, 521125, 524730, 524773, 528 56, B29C 3364, B29C 4500, C08G 1830

Patent

active

051641437

ABSTRACT:
A process for preparing molded polymeric products including reacting a polyisocyanate with an active hydrogen-containing composition having internal mold release components. In the process, the active hydrogen-containing composition contains (a) a primary or secondary amine, (b) a metal salt of an organic material having a carboxylic acid group and a siloxane chain wherein, said metal is selected from Groups I-B, II-B, IV-B, V-B, VI-B, VII-B or VIII, and optionally (c) an organic material containing at least one carboxylic acid group, phosphorus-containing acid group or boron-containing acid group wherein said organic material contains a siloxane chain or contains a terminal or pendant aliphatic hydrocarbon chain.

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