Title:
EPOXY RESIN COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2020/066592
Kind Code:
A1
Abstract:
The present invention provides an epoxy resin composition capable of exhibiting high moisture resistance and capable of reducing a decrease in adhesive strength under high temperature and high humidity. An epoxy resin composition according to the present invention contains an epoxy resin and a modified polyvinyl acetal resin having a structural unit which has a hydrogen bonding group, wherein the modified polyvinyl acetal resin has an equilibrium water absorption of 5-20 wt% as measured by an infrared moisture meter when left to stand at 40°C for seven days under the condition of 90% RH.
Inventors:
TATENO SHIORI (JP)
Application Number:
PCT/JP2019/035487
Publication Date:
April 02, 2020
Filing Date:
September 10, 2019
Export Citation:
Assignee:
SEKISUI CHEMICAL CO LTD (JP)
International Classes:
C08L63/00; C08F8/28; C08F16/38; C08L29/14
Domestic Patent References:
| WO2018062205A1 | 2018-04-05 | |||
| WO2014203797A1 | 2014-12-24 |
Foreign References:
| JP2013072027A | 2013-04-22 | |||
| JP2008297346A | 2008-12-11 | |||
| JP2013110084A | 2013-06-06 | |||
| JPS55108443A | 1980-08-20 | |||
| JP2000212532A | 2000-08-02 | |||
| JPH024888A | 1990-01-09 | |||
| JPH06212138A | 1994-08-02 | |||
| JP2008531817A | 2008-08-14 | |||
| JP2015108077A | 2015-06-11 |
Other References:
HIDEKI YAMAMOTO: "SP-chi Kiso/Ouyou to Keisan-houhou [SP value: Foundation/Application and calculating method", 2005, JOHOKIKO CO., LTD., article "Fedors' estimation method", pages: 66 - 67
See also references of EP 3858916A4
See also references of EP 3858916A4
Attorney, Agent or Firm:
YASUTOMI & ASSOCIATES (JP)
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