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Title:
PEARLESCENT PIGMENT FOR WATER-BASED PAINT, PREPARATION METHOD THEREFOR, AND SIEVING AND IMPURITY REMOVAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/258720
Kind Code:
A1
Abstract:
Disclosed is a pearlescent pigment for a water-based paint, comprising: a pearlescent pigment substrate, an alkyl phosphate diethanolamine salt coating coated on the pearlescent pigment substrate, a KH-792 silane coupling agent coating coated on the alkyl phosphate diethanolamine salt coating, and a trimethylolpropane triacrylate coating coated on the KH-792 silane coupling agent coating. Further disclosed is a method for preparing a pearlescent pigment for a water-based paint, comprising using a finished or semi-finished pearlescent pigment as a substrate, alternately coating a plurality of layers of organic or inorganic additive coatings on the surface of the substrate, and then performing steps of suction filtration, washing, drying, and sieving to obtain a special pearlescent pigment for a water-based paint. Additionally, further disclosed is a sieving and impurity removal device used in the preparation method of the special pearlescent pigment for a water-based paint according to the present invention.

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Inventors:
SU ERTIAN (CN)
YANG JING (CN)
LIN ZHENGJIAO (CN)
XIE SIWEI (CN)
LI WUJIAN (CN)
LIN MINLI (CN)
ZENG ZHU (CN)
YU HUIZHONG (CN)
LONG XIANJUN (CN)
Application Number:
PCT/CN2021/070368
Publication Date:
December 30, 2021
Filing Date:
January 05, 2021
Export Citation:
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Assignee:
GUANGXI CHESIR PEARL MAT CO LTD (CN)
International Classes:
C09C1/28; B07B1/04; C09C3/08
Domestic Patent References:
WO2015138127A12015-09-17
Foreign References:
CN110238045A2019-09-17
CN110523523A2019-12-03
CN102634065A2012-08-15
CN101089122A2007-12-19
CN104194407A2014-12-10
CN101497749A2009-08-05
JP2003096463A2003-04-03
Attorney, Agent or Firm:
BEIJING TROHENG INTELLECTUAL PROPERTY LAW FIRM (CN)
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