Title:
EPOXY RESIN, EPOXY RESIN COMPOSITION CONTAINING SAME, AND CURED PRODUCT USING SAID EPOXY RESIN COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2019/013081
Kind Code:
A1
Abstract:
The present invention provides an epoxy resin which is a reaction product of 1, 2, 4-trihydroxybenzene and an epihalohydrin, and which is characterized in that: the epoxy resin contains a cyclic compound having a cyclic structure that contains oxygen atoms at the 1-position and the 2-position, said oxygen atoms being derived from 1, 2, 4-trihydroxybenzene, as constituent atoms; and the content of the cyclic compound is 0.003-0.070 mol relative to 100 g of the epoxy resin. This epoxy resin has excellent thermal decomposition resistance in a liquid state.
Inventors:
SUGIMOTO NANA (JP)
HAYASHI KOJI (JP)
EHARA GAKU (JP)
HAYASHI KOJI (JP)
EHARA GAKU (JP)
Application Number:
PCT/JP2018/025481
Publication Date:
January 17, 2019
Filing Date:
July 05, 2018
Export Citation:
Assignee:
DAINIPPON INK & CHEMICALS (JP)
International Classes:
C08G59/06; C08G59/32
Foreign References:
| JPS61186377A | 1986-08-20 | |||
| JP2017057324A | 2017-03-23 | |||
| JPS61186377A | 1986-08-20 |
Other References:
See also references of EP 3653659A4
Attorney, Agent or Firm:
OGAWA Shinji (JP)
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