Method for making silicone-organic block polymers
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United States of America Patent
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Apr 22, 1986
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N/A
app pub date -
Nov 2, 1984
filing date -
Nov 2, 1984
priority date (Note) -
Expired
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Abstract
A method is provided for making silicone-organic block polymers, such as polydimethylsiloxane-polystyrene block polymers resulting from the thermal generation of free-radicals in the presence of free-radical polymerizable organic monomer. A silicone prepolymer is used having chemically combined pinacolate groups the in backbone or terminal positions which are capable of generating free-radicals upon thermolysis and which retain chemically combined remnants of such pinacolate diradicals which serve as connecting sites for free-radical polymerized organic blocks.
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