Synthesis and use of alkylalkoxyacyloxysilanes and blends thereof for use as a crosslinking agent in moisture curing RTV'S
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United States of America Patent
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May 18, 2004
Grant Date -
May 15, 2003
app pub date -
Nov 9, 2001
filing date -
Nov 9, 2001
priority date (Note) -
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Abstract
A one part moisture curable room temperature vulcanizable silicone composition comprising an alkylalkoxyacyloxysilane selected from the group consisting of R.sup.1 SiR.sup.2.sub.a R.sup.3.sub.3-a and R.sup.4 R.sup.5.sub.b R.sup.6.sub.3-b Si--O--SiR.sup.7 R.sup.8.sub.c R.sup.9.sub.3-c and mixtures thereof; where R.sup.1, R.sup.4 and R.sup.7 are independently selected from alkyl radicals having, the formula (CH.sub.2).sub.n X, where n has 1 to 10, and X is selected from the group consisting of hydrogen, amino, epoxy, cyano, thiocyano, allyl, and vinyl; R.sup.2 R.sup.5 and R.sup.8 are independently selected from acyloxy radicals having the formula OC(O)(CH.sub.2).sub.m H, where m has 1 to 8; R.sup.3, R.sup.6 and R.sup.9 are independently selected from alkoxy radicals or mixture of alkoxy radicals of 1 to 10 carbon atoms wherein the subscripts a, b and c are subject to the following limitations: 0
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