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Title:
MULTISTAGE AQUEOUS EMULSION POLYMER AND AQUEOUS COATING COMPOSITION FORMED THEREFROM
Document Type and Number:
WIPO Patent Application WO/2017/106994
Kind Code:
A1
Abstract:
A multistage aqueous emulsion polymer comprising from 88% to 98% by dry weight, based on total dry weight of the multistage aqueous emulsion polymer, of a first polymer core; and from 2% to 12% by dry weight, based on total dry weight of the multistage aqueous emulsion polymer, of a second polymer shell, wherein the first polymer core and the second polymer shell each independently comprises, as polymerized units, one or more ethylenically unsaturated nonionic monomers, wherein the second polymer shell further comprises, as polymerized units, from 20% to 60% by dry weight, based on total dry weight of the second polymer shell, of an acid monomer, wherein said acid monomer is, as polymerized units, from 1.1% to 4.2% by dry weight, based on total dry weight of the multistage aqueous emulsion polymer. An aqueous coating composition comprising said multistage aqueous emulsion polymer.

Inventors:
DONG XIANGTING (CN)
LI LING (CN)
ZHANG JINYUAN (CN)
CUI WEI (CN)
LIU HAN (CN)
ZHANG QINGWEI (CN)
Application Number:
PCT/CN2015/098013
Publication Date:
June 29, 2017
Filing Date:
December 21, 2015
Export Citation:
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Assignee:
DOW GLOBAL TECHNOLOGIES LLC (US)
ROHM & HAAS (US)
DONG XIANGTING (CN)
LI LING (CN)
ZHANG JINYUAN (CN)
CUI WEI (CN)
LIU HAN (CN)
ZHANG QINGWEI (CN)
International Classes:
C08F2/22; C08F220/18; C08F265/06
Domestic Patent References:
WO2009096925A12009-08-06
Foreign References:
EP0348565A11990-01-03
EP2371870A12011-10-05
Other References:
See also references of EP 3394115A4
Attorney, Agent or Firm:
SHANGHAI PATENT & TRADEMARK LAW OFFICE, LLC (CN)
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