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Title:
MECHANICALLY REINFORCED SPRAYING-FREE EFFECT PIGMENT, METHOD FOR PREPARING SAME, AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2023/174000
Kind Code:
A1
Abstract:
Disclosed are a mechanically reinforced spraying-free effect pigment, a method for preparing same, and use thereof. The mechanically reinforced spraying-free effect pigment described herein comprises the following components in parts by weight: 100 parts of an effect pigment, 5-200 parts of a coupling agent, and 5-50 parts of a hyperbranched resin. The hyperbranched resin is an end-capped hyperbranched resin, and the degree of branching of the hyperbranched resin is ≥0.1. The hyperbranched resin has a highly branched three-dimensional quasi-spherical structure, which can cooperate with the effect pigment to form steric hindrance under the action of the coupling agent, so that the turnover of the effect pigment is reduced, and the appearance effect of the spraying-free material is improved. The hyperbranched resin has lower viscosity and better solubility, so that the fluidity of the effect pigment is better, further reducing flow marks and weld lines in the process of injection molding of the material. Meanwhile, the hyperbranched resin also has a mechanical reinforcing effect on a plastic matrix, improving the impact resistance and the tensile strength of the material.

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Inventors:
ZHU XIUMEI (CN)
CHEN PINGXU (CN)
YE NANBIAO (CN)
HUANG XIANBO (CN)
LIU XINXIN (CN)
CHANG HUAN (CN)
Application Number:
PCT/CN2023/076933
Publication Date:
September 21, 2023
Filing Date:
February 17, 2023
Export Citation:
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Assignee:
KINGFA SCI &TECH CO LTD (CN)
International Classes:
C08K3/013; C08L67/00; C08K3/08; C08K3/22; C08K7/00; C08K9/04; C08K9/06; C08K9/10; C08L23/00; C08L77/00; C08L87/00
Domestic Patent References:
WO2014044529A12014-03-27
Foreign References:
CN114806095A2022-07-29
CN109456538A2019-03-12
CN106751756A2017-05-31
CN113845720A2021-12-28
CN111704748A2020-09-25
CN103724926A2014-04-16
CN106189120A2016-12-07
CN113999497A2022-02-01
CN109370041A2019-02-22
JP2009120789A2009-06-04
Attorney, Agent or Firm:
YOGO PATENT AND TRADEMARK AGENCY LIMITED COMPANY (CN)
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