Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From silicon reactant having at least one...
Patent
1995-11-30
1997-08-19
Marquis, Melvyn I.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From silicon reactant having at least one...
528 18, 528 26, 528 38, C08G 7708
Patent
active
056590016
ABSTRACT:
A moisture curable composition is claimed comprising (a) a condensation product of a polyacid chloride with an alkylene or oxyalkylene polymer having substituent groups condensible therewith with an organosilicon compound having at least one silicon-bonded group --R(NHR.sup.1).sub.m NH.sub.2 e.g. a material of the general formula ##STR1## wherein each R may be the same or different and represent a linking group, each R' represents a group --R(NHR.sup.1).sub.m NH.sub.2, a hydrolysable group R", a group R'" or a group R'Si(OSiR.sup.1.sub.2).sub.s --O-- where R'" is a hydrocarbon group, m is from 0 to 10 and s is from 0 to 1500 and (b) a curative. Preferred materials are amino silanes in which R" is an oximo, alkoxy, alkenyloxy or alkoxyalkoxy group, --R(NHR.sup.1).sub.m NH.sub.2 is aminopropyl and m is 0. The aminosilane is preferably .gamma.-aminopropyltrimethoxysilane or .gamma.-aminopropyltriethoxysilane and the organic polymer is a polyoxyalkylene glycol.
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Great Britian Search Report, dated 10 Mar. 1995.
de la Croi Habimana Jean
Leempoel Patrick
Borrousch Roger H.
Dow Corning S. A.
Marquis Melvyn I.
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