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Title:
PREPARATION METHOD FOR ANTI-FOULING COATING CAPABLE OF CONTROLLED RELEASE OF ULTRAVIOLET-RESPONSIVE COUMARIN AND SELF-REPAIR
Document Type and Number:
WIPO Patent Application WO/2022/160853
Kind Code:
A1
Abstract:
A preparation method for an anti-fouling coating capable of the controlled release of ultraviolet-responsive coumarin and self-repair. The method comprises: reacting a double-end-group reactive polydimethylsiloxane, a polyisocyanate and an organic diluting solvent to obtain an isocyanate-terminated prepolymer; continuously adding a dihydroxy coumarin compound, a polyalcohol or polyamine cross-linking agent, and an organic tin catalyst, and reacting same to form a polymer solution of polyurethane; and continuously adding a simple coumarin compound, mixing same until uniform, and then irradiating same with 365 nm ultraviolet light to obtain the anti-fouling coating.

Inventors:
ZHANG QINGHUA (CN)
TONG ZHEMING (CN)
ZHAN XIAOLI (CN)
Application Number:
PCT/CN2021/129498
Publication Date:
August 04, 2022
Filing Date:
November 09, 2021
Export Citation:
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Assignee:
QUZHOU RESEARCH INSTITUTE OF ZHEJIANG UNIV (CN)
International Classes:
C09D5/16; C09D175/04
Domestic Patent References:
WO2008156691A12008-12-24
Foreign References:
CN113150594A2021-07-23
CN111393983A2020-07-10
CN102153856A2011-08-17
CN111187565A2020-05-22
CN109852225A2019-06-07
CN110669188A2020-01-10
CN111471154A2020-07-31
Attorney, Agent or Firm:
RZBC PATENT AGENCY (GENERAL PARTNERSHIP) (CN)
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