Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From silicon reactant having at least one...
Patent
1994-06-15
1995-11-21
Sellers, Robert E.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From silicon reactant having at least one...
528 27, C08G 7714, C08G 7718
Patent
active
054688272
ABSTRACT:
An organopolysiloxane suitable for modifying curable organic and silicone compositions is disclosed, said organopolysiloxane having the general formula ##STR1## wherein each R.sup.1 is a monovalent group independently selected from the group consisting of hydrocarbon groups and halogenated hydrocarbon groups; R.sup.2 is selected from the group consisting of the hydrogen atom, monovalent hydrocarbon groups and halogenated hydrocarbon groups; R.sup.3 is selected from the group consisting of epoxy-functional organic groups, alkoxysilylalkyl groups and alkyl groups having at least 6 carbon atoms; a is zero or a positive number; b is a positive number; c is a positive number; a/c has a value of zero to <4; b/c has a value of 0.05 to 4; and (a+b)/c has a value of 0.2 to 4, with the proviso that neither R.sup.1 nor R.sup.2 is an alkenyl group and that said organopolysiloxane has in its molecule at least one said epoxy-functional organic group and at least one said alkyl group having at least 6 carbons.
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Dow Corning Toray Silicon Co., Ltd.
Sellers Robert E.
Weitz Alexander
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