Novel methacrylated siloxanes
First Claim
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1. A method of preparing a methacrylated organosiloxane compound comprising reacting an organosiloxane compound having silicon hydride functionality comprising a plurality of repeat units of the formula:
- ##STR6## where R is an organo group and a is 1 or 2, with beta(allyloxy)ethyl methacrylate in the presence of an amount of hydrosilation catalyst effective for catalyzing a hydrosilation reaction between the allyl group on said methacrylate and said silicon hydride functional organosiloxane.
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Abstract
Methacrylated siloxanes are prepared by hydrosilation of beta(allyloxy)ethyl methacrylate using a silicon hydride functional siloxane. Propene elimination is not a significant side reaction of the method. Methacrylated silicones prepared in accordance with the invention are capable of anaerobic cure.
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8 Claims
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1. A method of preparing a methacrylated organosiloxane compound comprising reacting an organosiloxane compound having silicon hydride functionality comprising a plurality of repeat units of the formula:
- ##STR6## where R is an organo group and a is 1 or 2, with beta(allyloxy)ethyl methacrylate in the presence of an amount of hydrosilation catalyst effective for catalyzing a hydrosilation reaction between the allyl group on said methacrylate and said silicon hydride functional organosiloxane.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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