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Title:
PREPREG RESIN COMPOSITION, PREPREG, AND MOLDED ARTICLE
Document Type and Number:
WIPO Patent Application WO/2019/065209
Kind Code:
A1
Abstract:
A prepreg resin composition containing, as essential components thereof, a urethane (meth)acrylate (A) which is a reaction product of a polyisocyanate (a1), a polyol (a2) and a hydroxyalkyl (meth)acrylate (a3), and a polymerization initiator (B), the prepreg resin composition being characterized in that: the polyisocyanate (a1) is one or more types of polyisocyanate selected from 2,4'-diphenyl methane diisocyanate, 4,4'-diphenyl methane diisocyanate, a modified carbodiimide of 4,4'-diphenyl methane diisocyanate, and polymethylene polyphenyl polyisocyanate; and the polyol (a2) has an aromatic ring and an oxyalkylene structure. This prepreg resin composition exhibits excellent workability and moldability, and makes it possible to obtain a molded article exhibiting various excellent properties such as appearance and heat resistance; hence, the composition may be favorably used in a prepreg and a molded article thereof.

Inventors:
TAKIKAWA YUKO (JP)
SHINCHI TOMOAKI (JP)
Application Number:
PCT/JP2018/033577
Publication Date:
April 04, 2019
Filing Date:
September 11, 2018
Export Citation:
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Assignee:
DAINIPPON INK & CHEMICALS (JP)
International Classes:
C08J5/24; C08F290/06; C08G18/48; C08G18/67; C08G18/76
Domestic Patent References:
WO2013084967A12013-06-13
WO2014119234A12014-08-07
WO2017163899A12017-09-28
Foreign References:
JPH04227642A1992-08-17
JPH07216050A1995-08-15
JPS62292841A1987-12-19
JP2017519885A2017-07-20
JPS61225210A1986-10-07
JPS5521482A1980-02-15
JPS55164217A1980-12-20
JP2016029133A2016-03-03
Other References:
See also references of EP 3689950A4
Attorney, Agent or Firm:
OGAWA Shinji (JP)
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