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Title:
ACTIVE ESTER RESIN AND CURED PRODUCT THEREOF
Document Type and Number:
WIPO Patent Application WO/2018/008409
Kind Code:
A1
Abstract:
Provided are: an active ester resin having low cure shrinkage, having excellent dielectric properties, etc., in a cured product, and also having high solvent solubility; a curable resin composition containing same; a cured product thereof; a printed wiring board; and a semiconductor sealing material. The active ester resin is characterized by having, as essential reactive raw materials thereof: (A) a novolac resin having a naphthol compound (a) as a reactive raw material thereof and containing a component having at least three nuclear bodies as essential components thereof; (B) a compound having one phenolic hydroxyl group in the molecules thereof; and (C) an aromatic polycarboxylic acid or an acid halide thereof.

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Inventors:
SATOU YUTAKA (JP)
OKAMOTO TATSUYA (JP)
KAWASAKI AKITO (JP)
YAMOTO KAZUHISA (JP)
Application Number:
PCT/JP2017/022995
Publication Date:
January 11, 2018
Filing Date:
June 22, 2017
Export Citation:
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Assignee:
DAINIPPON INK & CHEMICALS (JP)
International Classes:
C08G59/02; C08G63/133; H01L23/29; H01L23/31; H05K1/03
Domestic Patent References:
WO2012165317A12012-12-06
Foreign References:
JP2009242560A2009-10-22
JP2002121356A2002-04-23
JP2001146511A2001-05-29
Attorney, Agent or Firm:
KONO Michihiro (JP)
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