Ionic siloxane as internal mold release agent for polyurethane,

Details Ionic siloxane as internal mold release agent for polyurethane, Ionic siloxane as internal mold release agent for polyurethane,

1992-12-16

1994-10-25

Marquis, Melvyn I.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524114, 524252, 524265, 524589, 524590, C08K 520

Patent

active

053589858

ABSTRACT:
In an active hydrogen-containing B-side composition for reaction with a polyisocyanate-containing A-side composition to make a polyurethane or polyurethaneurea elastomer by reaction injection molding, the improvement which comprises a mold release composition which is the reaction product of triethylenediamine and a C.sub.2 -C.sub.21 epoxide reacted in the presence of a carboxy functional siloxane.

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patent: 4789688 (1988-12-01), Dewhurst et al.
patent: 5043409 (1991-08-01), Lammerting et al.

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