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Patent Searching and Data


Title:
ACTIVE ESTER COMPOUND AND CURABLE COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2019/003822
Kind Code:
A1
Abstract:
Provided are: an active ester compound having a low elastic modulus under high-temperature conditions in the cured product as well as excellent adhesiveness to copper foil and the like; a curable composition containing the same; a cured product thereof; and a semiconductor sealing material and a printed wiring board. Specifically, provided is an active ester compound which is a diesterified product of a dihydroxy compound (a1) represented by structural formula (1) (in the formula, R1 each independently are an aliphatic hydrocarbon, alkoxy group, halogen atom, aryl group, or aralkyl group. m is an integer of 0 or 1-4, n is 0 or 1) and an aromatic monocarboxylic acid or an acid halide thereof (a2).

Inventors:
SATOU YUTAKA (JP)
KAWASAKI AKITO (JP)
Application Number:
PCT/JP2018/021500
Publication Date:
January 03, 2019
Filing Date:
June 05, 2018
Export Citation:
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Assignee:
DAINIPPON INK & CHEMICALS (JP)
International Classes:
C07C69/78; C08G59/62; H01L23/29; H01L23/31; H05K1/03
Domestic Patent References:
WO2015093543A12015-06-25
Foreign References:
JP2011127063A2011-06-30
JP2002193893A2002-07-10
US5176977A1993-01-05
Other References:
TOMINAGA, M. ET AL.: "Organic crystals bearing both channels and cavities formed from tripodal adamantane molecules", JOURNAL OF MOLECULAR STRUCTURE, vol. 1046, 2013, pages 52 - 56, XP028562482, DOI: 10.1016/j.molstruc.2013.03.033
Attorney, Agent or Firm:
OGAWA Shinji (JP)
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