COMPOSITION FOR CURED RESINS, CURED PRODUCT OF SAID COMPOSITION, METHOD FOR PRODUCING SAID COMPOSITION, METHOD FOR PRODUCING SAID CURED PRODUCT, AND SEMICONDUCTOR DEVICE

WIPO Patent Application WO/2020/027257

A1

[Problem] To provide: a composition for cured resins, which has excellent fast curing properties, and which is used for the purpose of achieving a highly heat-resistant cured product; a cured product of this composition; a method for producing this composition for cured resins; and a method for producing this cured product. In addition, to provide a semiconductor device which uses this cured product as a sealing material. [Solution] A composition for cured resins according to the present invention contains: (A) at least one polyfunctional benzoxazine compound which has at least two benzoxazine rings, and which is selected from among polyfunctional benzoxazine compounds having a structural unit of formula (1) and polyfunctional benzoxazine compounds having a structure represented by formula (2); (B) a polyfunctional epoxy compound which has at least one norbornane structure and at least two epoxy groups; (C) a curing agent; and (D) a curing accelerator which is a bisphenol salt of a diazabicycloalkene.

NISHITANI YOSHINORI (JP)
SATO TATSUKI (JP)
MINAMI MASAKI (JP)

PCT/JP2019/030178

February 06, 2020

August 01, 2019

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JXTG NIPPON OIL & ENERGY CORP (JP)

C08G59/40; C08G59/24; C08L63/00; H01L23/29; H01L23/31

WO2017188448A1	2017-11-02
WO2018105743A1	2018-06-14
WO2018181857A1	2018-10-04

JP2015535865A	2015-12-17
JPH05194711A	1993-08-03
JP2012067177A	2012-04-05
JP2011140465A	2011-07-21
JP2000351882A	2000-12-19

NAGAI Hiroshi et al. (JP)

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