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Title:
ULTRAVIOLET RAY CURABLE SILICONE ADHESIVE COMPOSITION AND CURED PRODUCT THEREOF
Document Type and Number:
WIPO Patent Application WO/2020/105365
Kind Code:
A1
Abstract:
This composition does not contain a non-crosslinkable organopolysiloxane resin but contains: (A) an organopolysiloxane having, per molecule, two groups each represented by formula (1) (R1 represents a C1-20 monovalent hydrocarbon group, R2 represents an oxygen atom or the like, R3 represents an acryloyloxyalkyl group or the like, and p and a respectively represent numbers satisfying 0-10 and 1-3); (B) a monofunctional(meth)acrylate compound not including a siloxane structure; (C) an organopolysiloxane resin which comprises a unit (a) represented by formula (2) (R1, R2, R3, a, and p are identical to those described above), a R4 3SiO1/2 unit (b) (in the formula, R4 represents a monovalent hydrocarbon group having 1-10 carbon atoms), and a SiO4/2unit (c), and in which the mole ratio of the total of units (a) and (b) to unit (c) is in a range of 0.4 to 1.2 : 1; and (D) a photoinitiator. Said composition provides a cured product having excellent elastic modulus and adhesiveness when used as a temporary fixing material.

Inventors:
OTAKE KOHEI (JP)
KITAGAWA TAICHI (JP)
MATSUMOTO NOBUAKI (JP)
OZAI TOSHIYUKI (JP)
OGAWA YOSHINORI (JP)
Application Number:
PCT/JP2019/041891
Publication Date:
May 28, 2020
Filing Date:
October 25, 2019
Export Citation:
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Assignee:
SHINETSU CHEMICAL CO (JP)
International Classes:
C09J183/07; C08F290/06; C09J4/02; C09J7/38; C09J11/04; C09J183/04
Domestic Patent References:
WO2017048890A12017-03-23
WO2008088069A12008-07-24
Foreign References:
JP2002521513A2002-07-16
JP2002302664A2002-10-18
JPS5825738B21983-05-30
JP2631098B21997-07-16
JPS5234064B21977-09-01
JPS41882B11966-01-27
Other References:
JOHN A. ROGERS: "Nature Materials", vol. 6, 11 December 2005, NATURE PUBLISHING GROUP, article "Transfer printing by kinetic control of adhesion to an elastomeric stamp", pages: 33 - 38
CAS, no. 96474-12-3
See also references of EP 3885420A4
Attorney, Agent or Firm:
PATENT PROFESSIONAL CORPORATION EI-MEI PATENT OFFICE (JP)
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