METHOD FOR PRODUCING (METH)ACRYLATE RESIN

WIPO Patent Application WO/2023/248488

A1

The present invention provides: a method for producing a (meth)acrylate resin having excellent alkali developability and high optical sensitivity and ensuring not only excellent heat resistance but also excellent base material adhesiveness and insulation reliability in a cured product thereof; a method for producing a curable resin composition containing the (meth)acrylate resin; a method for producing a cured product formed from the curable resin composition; and a method for producing an insulation material and a resist member. A (meth)acrylate resin obtained by this method for producing a (meth)acrylate resin, in which an epoxy resin having a certain physical property value is used as a raw material, raw materials including the epoxy resin and an unsaturated monobasic acid are reacted, while being stirred, in the presence of a basic catalyst in an atmosphere of a certain gas so that the oxygen concentration in the reaction system falls within a certain range and that the stirring power per unit volume falls within a certain range, has excellent alkali developability and high optical sensitivity and ensures both excellent base material adhesiveness and insulation reliability in a cured product thereof. Therefore, said (meth)acrylate resin can be suitably used for an insulation material and a resist member.

YAMADA SHUNSUKE (JP)
HAZAMA MASAKI (JP)
KAMEYAMA HIROFUMI (JP)

PCT/JP2022/034508

December 28, 2023

September 15, 2022

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DAINIPPON INK & CHEMICALS (JP)

C08G59/17

WO2019188897A1	2019-10-03
WO2021235299A1	2021-11-25
WO2022137591A1	2022-06-30

JP2002293876A	2002-10-09
JP2010150397A	2010-07-08
JP2007326933A	2007-12-20

ONO Takayuki (JP)

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