Process for forming mold releasable polyurethane, polyurea and p

Details Process for forming mold releasable polyurethane, polyurea and p Process for forming mold releasable polyurethane, polyurea and p

1983-05-23

1985-10-08

Anderson, Philip

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

264 453, 264 51, 2643286, 264338, 264DIG83, 521110, 521137, 521154, 528 28, B29F 100, B29D 2700

Patent

active

045461546

ABSTRACT:
Polyurethane, polyurea and polyureaurethane resins having improved mold release properties are made by including with the reactive ingredients certain internal mold release agents which are polysiloxane polymers having pendant organic groups which contain at least one hydroxyl, amino or mercapto group.

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