Mold release composition and method of coating a mold core

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

1992-07-21

1993-06-15

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, 25218233, 427133, 427134, 427135, C08L 8306

Patent

active

052199258

ABSTRACT:
An aqueous reaction mixture of a multi-functional polydimethyl siloxane emulsified polymer, a methyl triethoxy silane, a mixture of substituted nonyl or octyl phenol derivative surfactants and synthetic ethoxylated amine surfactants, 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:
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patent: 3894881 (1975-07-01), Suzuki et al.
patent: 3905823 (1975-09-01), Piskoti
patent: 4049873 (1977-09-01), Creasey et al.
patent: 4532096 (1985-07-01), Bogner et al.
patent: 4534928 (1985-08-01), Martin
patent: 4624899 (1986-11-01), Macaigne et al.

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