Functional copolymers of low molar mass, processes for their preparation, and their use
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United States of America Patent
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Jun 23, 1998
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N/A
app pub date -
Nov 29, 1995
filing date -
Dec 1, 1994
priority date (Note) -
Expired
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Abstract
Processes for the preparation of a functional polymer of low molar mass, which includes initially charging a first quantity M1 of a mixture including at least one component selected from olefinically unsaturated monomers B and compounds A which are not themselves copolymerizable but which are able to react with at least one of the monomers B to form a copolymerizable addition compound, metering in prior to or during polymerization a second quantity M2 of a mixture whose composition can be identical to or different from that of the first mixture M1 and which includes at least one component selected from olefinically unsaturated monomers B and compounds A, initiating polymerization by use of a polymerization initiator and optionally a chain transfer agent, conducting polymerization in the presence of an oligomer or polymer C, wherein the oligomer or polymer C is either formed in situ from one or more of A and B or is dissolved in at least one of the quantities M1 and M2, wherein at least one of M1 and M2 includes a monomer B. The polymers are useful in coating compositions.
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