Core-shell graft copolymers with improved surface properties

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United States of America Patent

PATENT NO 11674033
APP PUB NO 20200270445A1
SERIAL NO

16652275

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Abstract

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Disclosed herein is a core-shell graft copolymer produced by coagulation of an aqueous latex comprising a quantity of particles of the copolymer and a quantity of a fatty acid surfactant, wherein the coagulation involves the addition of a quantity of a multivalent metal salt, preferably a bivalent or trivalent metal salt. Such copolymer provides in an improvement of the surface properties of moulded articles produced from such copolymers, as demonstrated by a reduction of the content of gels in the surface layer.

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Patent Owner(s)

  • SABIC GLOBAL TECHNOLOGIES B.V.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Li, Dejin Newburgh, US 8 13
Lowry, Vern Ottawa, US 17 29

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