Composition of mold release agent for casting

Details Composition of mold release agent for casting Composition of mold release agent for casting

1997-03-25

1999-05-04

Marquis, Melvyn I.

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...

528 15, 528 10, 528 43, 524837, C08L 8300

Patent

active

059004568

ABSTRACT:
Compositions of a mold release agent for casting are disclosed which are excellent in heat resistance and releasing effect, and contain an organopolysiloxane expressed by the following general formula (1) ##STR1## wherein R represents methyl group or phenyl group, R.sup.1 represents an alkyl group, aralkyl group, or aryl group, R.sup.2 represents R or R.sup.1, x is an integer of from 0 to 1000, y is an integer of from 10 to 1000, and x+y is an integer of from 10 to 2000.

REFERENCES:
patent: 4624899 (1986-11-01), Macaigne et al.
patent: 5322891 (1994-06-01), Takahashi et al.
An English Language Abstract of JP 5177294.
An English Language Abstract of JP 8-2475.
An English Language Abstract of JP 2565900.

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