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Patent Searching and Data


Title:
ADHESIVE SHEET, LAYERED BODY FOR CONSTITUTING IMAGE DISPLAY DEVICE, AND IMAGE DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/026762
Kind Code:
A1
Abstract:
The present invention relates to a photocurable adhesive sheet containing an ultraviolet absorbing agent, and provides a novel adhesive sheet having ultraviolet-resistant foaming properties without compromising photocuring performance. Provided is an adhesive sheet characterized by having an adhesive layer formed from an adhesive composition containing an ultraviolet absorbing agent and a photoinitiator, the ultraviolet absorbing agent having an extinction coefficient of 1×103mL/(g∙cm) or greater at a wavelength of 340 nm and an extinction coefficient of less than 1×103mL/(g∙cm) at a wavelength of 380 nm, and the adhesive composition containing the ultraviolet absorbing agent at a ratio of 0.1-1.6% by mass with respect to the entire mass of the adhesive composition.

Inventors:
FUKUDA Shinya (1-1 Marunouchi 1-chome Chiyoda-k, Tokyo 51, 〒1008251, JP)
INENAGA Makoto (1-1 Marunouchi 1-chome Chiyoda-k, Tokyo 51, 〒1008251, JP)
Application Number:
JP2018/028101
Publication Date:
February 07, 2019
Filing Date:
July 26, 2018
Export Citation:
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Assignee:
MITSUBISHI CHEMICAL CORPORATION (1-1 Marunouchi 1-chome, Chiyoda-ku Tokyo, 51, 〒1008251, JP)
International Classes:
C09J7/38; B32B27/00; B32B27/18; B32B27/30; C09J7/40; C09J11/06; C09J133/04; C09J151/06; C09J175/14; G09F9/00
Domestic Patent References:
WO2014125961A12014-08-21
Foreign References:
JP2016071161A2016-05-09
JP2016222916A2016-12-28
JP2017110062A2017-06-22
CN106978100A2017-07-25
CN104231945A2014-12-24
JP2013075978A2013-04-25
JP2017119857A2017-07-06
Attorney, Agent or Firm:
TAKEUCHI, ICHIZAWA & ASSOCIATES (6F. Akasaka 2-chome Annex, 19-8 Akasaka 2-chome, Minato-k, Tokyo 52, 〒1070052, JP)
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