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...
Patent
1989-04-18
1991-02-26
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...
524265, 427387, 428447, 525477, C08K 524
Patent
active
049962574
ABSTRACT:
A polyorganosilsesquioxane fine powder which is surface-treated with an organosilicon comound containing a quaternary ammonium group, represented by the formula (I) or (II): ##STR1## wherein R.sup.1 represents an alkyl group, a substituted or unsubstituted aralkyl group, or a group represented by (C.sub.n H.sub.2n O).sub.m Z wherein Z represents a hydrogen atom or an alkyl group, symbol n is an integer of 2 to 4, and symbol m is an integer of 1 to 20; R.sup.2 and R.sup.3 each independently represents a hydrogen atom, an alkyl group or a hydroxyalkyl group; Q.sup.1 and Q.sup.2 each independently represents an alkylene group; R.sup.4 represents an alkyl group or a phenyl group; R.sup.5 represents an alkyl group having 1 to 4 carbon atoms; X.sup.- represents an anion; and symbol a is an integer of 0 to 3.
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Kimura Hiroshi
Saito Kenji
Marquis Melvyn I.
Toshiba Silicone Co. Ltd.
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