ADHESIVE SHEET, ADHESIVE SHEET WITH RELEASE SHEET, LAMINATE, AND METHOD FOR PRODUCING LAMINATE

WIPO Patent Application WO/2021/033704

A1

The present invention addresses the problem of providing an adhesive sheet that has weak initial adhesive strength, allowing for excellent positioning functionality (reworkability), while also exhibiting excellent adhesive strength after being heated. The present invention pertains to an adhesive sheet satisfying physical properties (1) and (2).　Physical property (1): a glass adhesive strength of 0.05 to 3 N/25mm, one minute after pasting, as measured in conformance with the adhesive strength measuring method set forth in JIS Z 0237. Physical property (2): a glass adhesive strength of 10 N/25mm or greater, after the adhesive sheet has been pasted onto a glass plate and has undergone heat treatment for 30 minutes under the conditions of 100°C and 0.5 MPa, as measured in conformance with the adhesive strength measuring method set forth in JIS Z 0237.

JP6922214	How to make release paper, synthetic leather, and release paper
JP3645383	ADDITION-REACTION CURING SILICONE COMPOSITION FOR BOTH SIDE-SEPARATING PAPER AND BOTH SIDE-SEPARATING PAPER
JP7138665	LAMINATED SHEET AND ELECTRONIC COMPONENTS PACKAGING CONTAINER MOLDED USING THE SAME

YAMAMOTO MASAYUKI (JP)
KASHIMA NOBUYUKI (JP)

PCT/JP2020/031208

February 25, 2021

August 19, 2020

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OJI HOLDINGS CORP (JP)

B32B27/00; B32B27/16; B32B27/30; C09J7/38; C09J11/06; C09J133/00

WO2019031064A1

2019-02-14

JP2018159019A	2018-10-11
JPH0373446B2	1991-11-21
JP2017200975A	2017-11-09
JP2017095654A	2017-06-01

SIKs & Co. (JP)

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