Mold release composition and method coating a mold core

Details Mold release composition and method coating a mold core Mold release composition and method coating a mold core

1993-04-05

1994-03-29

Welsh, Maurice J.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524863, 524188, 524588, 427133, 427134, 427135, 25218233, C08L 8306

Patent

active

052985563

ABSTRACT:
An aqueous reaction mixture having a pH of 4.5 to 5.5 of a multi-functional polydimethyl siloxane emulsified polymer, a methyl triethoxy silane, a mixture of substituted nonyl and octyl phenol derivative surfactants, non-ionic fluorinated alkyl ester surfactant and synthetic ethoxylated amine surfactants, a silanol terminated polydimethyl siloxane and ethanol. The reaction mixture is coated on a mold core surface and cured with heat to form a mold release surface that can be used in excess of twenty times prior to recoating.

REFERENCES:
patent: 5219925 (1993-06-01), Stevens

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