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Patent Searching and Data


Title:
LONG-WAVELENGTH COUMARIN OXIME ESTER COMPOUND, PREPARATION THEREFOR, AND APPLICATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2020/258014
Kind Code:
A1
Abstract:
Disclosed is a coumarin (ketone) oxime ester compound represented by formula (I) comprising the following formula (I-1) structural fragment, wherein X, A 1, A 2, A 3, A 4, R 3, R 4, R 5, R 6, R 8, R 9, R 10 and n are as defined in the specification. The compound has strong ultraviolet absorption in the range of 300 nm to 500 nm, can transfer energy rapidly after absorbing light energy to continuously initiate polymerization, has significant advantages on photosensitivity and pattern integrity, and is very suitable for UV-LED light source radiation curing. In addition, the compound represented by formula (I) also has excellent thermal stability. Also disclosed is a preparation method for the compound represented by formula (I) and a use of the compound. The compound is suitable for use as a photoinitiator in a UV-LED light curing system and has a radiation wavelength suitable for UV-LED light curing. (I-1), (I)

Inventors:
PANG YULIAN (CN)
ZOU YINGQUAN (CN)
FAN SHUHENG (CN)
Application Number:
PCT/CN2019/092708
Publication Date:
December 30, 2020
Filing Date:
June 25, 2019
Export Citation:
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Assignee:
HUBEI GURUN TECH CO LTD (CN)
International Classes:
C07D311/16; C07D493/04; C08F2/48
Foreign References:
CN109305951A2019-02-05
CN104817653A2015-08-05
CN101370772A2009-02-18
Attorney, Agent or Firm:
ZHONGZI LAW OFFICE (CN)
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