Core-shell polymers suitable for use in organic media

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United States of America Patent

PATENT NO 9102775
APP PUB NO 20090162558A1
SERIAL NO

12313714

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Abstract

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A composition including a core-shell polymeric particle, the core including, when dry, at least one void and the shell including, as polymerized units, from 18% to 50%, by weight based on the weight of the shell, monomer selected from the group consisting of acrylonitrile, methacrylonitrile, acrylamide, methacrylamide, and mixtures thereof is provided. Also provided is a composition including an organic medium and a core-shell polymeric particle, the core including, when dry, at least one void and the shell having a calculated shell-organic medium interaction parameter, XPS>1.15 and a method for providing opacity to a dry composition.

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Patent Owner(s)

  • ROHM AND HAAS COMPANY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bardman, James Keith Green Lane, US 24 496
Bromm, Karl Allen Forest Grove, US 9 59
Fasano, David Michael Maple Glenn, US 10 152

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