POLYMERS
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United States of America Patent
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Issued Date -
Jun 10, 2010
app pub date -
Dec 10, 2007
filing date -
Dec 12, 2006
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Abandoned
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Abstract
The present invention relates to a branched polymer obtainable an addition polymerisation process, preferably a free-radical polymerisation process, which is the reaction product of: (a) an initiator, optionally but preferably a free-radical initiator, (b) optionally but preferably a compatible chain transfer agent (E and E′), (c) at least one ethylenically monounsaturated monomer (G and/or J), (d) at least one ethylenically polyunsaturated monomer (L), wherein at least one of (a)-(d) has a molecular weight of at least 1000 Daltons, and the mole ratio of (d) to (c) is greater than 0.0005 to 1.
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