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)
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:
Assignee:
GUANGXI CHESIR PEARL MAT CO LTD (CN)
International Classes:
C09C1/28; B07B1/04; C09C3/08
Domestic Patent References:
WO2015138127A1 | 2015-09-17 |
Foreign References:
CN110238045A | 2019-09-17 | |||
CN110523523A | 2019-12-03 | |||
CN102634065A | 2012-08-15 | |||
CN101089122A | 2007-12-19 | |||
CN104194407A | 2014-12-10 | |||
CN101497749A | 2009-08-05 | |||
JP2003096463A | 2003-04-03 |
Attorney, Agent or Firm:
BEIJING TROHENG INTELLECTUAL PROPERTY LAW FIRM (CN)
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