Title:
PHOTOCURABLE COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2015/056632
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a photocurable composition which is suitable for temporary fixing by means of active energy rays in a state bonded to an adherend, which does not release even when processing operations are performed on the adherend after bonding and which can be favorably released in a 90-200°C release medium without dissolving the cured product. This photocurable composition contains (A) a compound which has two or more acrylic groups inside the molecule that do not have a urethane bond and do have at least one bond in the main skeleton selected from ester bonds and ether bonds, (B) at least one species selected from diethyl acrylamide and dimethyl acrylamide, (C) water, and (D) a photoinitiator. Either 8-25 parts by mass of component (C) are added per total 100 parts by mass of (A) and (B) and the cured product has release properties in 90-100°C hot water, or, 1-8 parts by mass of component (C) are added per total 100 parts by mass of (A) and (B) and the cured product has release properties in a 100-200°C medium.
Inventors:
NOGAMI YASUTOSHI (JP)
KOJIMA KAZUHIRO (JP)
KOJIMA KAZUHIRO (JP)
Application Number:
PCT/JP2014/077103
Publication Date:
April 23, 2015
Filing Date:
October 09, 2014
Export Citation:
Assignee:
THREE BOND FINE CHEMICAL CO LTD (JP)
International Classes:
C08F220/26; C08F2/44; C08F2/48; C08F220/54; C08F290/06; C09J4/02; C09J5/00
Foreign References:
| JP2012241069A | 2012-12-10 | |||
| JPH06116534A | 1994-04-26 | |||
| JP2011148842A | 2011-08-04 | |||
| JP2003313510A | 2003-11-06 | |||
| JPH04154708A | 1992-05-27 | |||
| JP2004189819A | 2004-07-08 | |||
| JP2001019874A | 2001-01-23 |
Attorney, Agent or Firm:
HATTA & ASSOCIATES (JP)
Hatta international patent business corporation (JP)
Hatta international patent business corporation (JP)
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