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Title:
PHOSPHORUS-CONTAINING ACTIVE ESTER COMPOUND AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2021/068304
Kind Code:
A1
Abstract:
Disclosed are a phosphorus-containing active ester compound and a preparation method therefor. The circuit board produced using the phosphorus-containing active ester compound as a curing agent has excellent flame retardancy and low dielectric constant and dielectric loss. Further, the phosphorus-containing active ester compound has a simple preparation process, is easy to implement, and can be used in large-scale production.

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Inventors:
PU LONGXING (CN)
WU TAO (CN)
XIA YU (CN)
XU WEIHONG (CN)
Application Number:
PCT/CN2019/114317
Publication Date:
April 15, 2021
Filing Date:
October 30, 2019
Export Citation:
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Assignee:
SUZHOU JUFENG ELECTRICAL INSULATION SYSTEM CO LTD (CN)
International Classes:
C07F9/6574; C08G59/40; C08L63/00
Domestic Patent References:
WO2015179232A12015-11-26
Foreign References:
CN110003614A2019-07-12
CN103965249A2014-08-06
CN105906785A2016-08-31
JP2015224323A2015-12-14
Other References:
LIJUN LI, LIYING LIU: "Synthesis of a Novel Benzidine Schiff Base", GUANGDONG CHEMICAL INDUSTRY, vol. 36, no. 8, 25 August 2009 (2009-08-25), pages 43 - 74, XP055800182
Attorney, Agent or Firm:
SUZHOU ZHITU INTELLECTUAL PROPERTY FIRM (CN)
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