Silicone monomers and oligomers having a carboxyl functional group thereon
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United States of America Patent
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Jul 6, 1999
Issued Date -
N/A
app pub date -
Jul 13, 1998
filing date -
Aug 14, 1997
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Expired
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Abstract
Organosilane and organosiloxane monomers are provided ontaining at least one carboxyl ester functional group epresented by the formula: ##STR1## wherein: R which can be the same or different are hydrolyzable groups; R.sup.1 which can be the same or different, are selected from substituted or unsubstituted alkyl, cycloalkyl, substituted or unsubstituted aryl, alkenyl, alkynyl or --OS.sub.i (R.sup.1).sub.3 ; x is zero to 3; R.sup.2 is linear or branched alkylene of 1-12 carbon atoms; B is --NR.sup.6, sulfur or oxygen; R.sup.6 is hydrogen or alkyl; n.sup.1 is zero or 1; F is linear or branched alkylene of 1-10 carbon atoms; n is zero or 1, with the proviso that if n.sup.1 is 1, n is 1 and if n.sup.1 is 0, n is 0; R.sup.1 is ##STR2## R.sub.5 is alkyl or trialkylsilyl.
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