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1. (WO2017150463) PRESSURE-SENSITIVE ADHESIVE TAPE, PRESSURE-SENSITIVE ADHESIVE TAPE FOR AFFIXING COMPONENT FOR ELECTRONIC APPLIANCE, AND TRANSPARENT PRESSURE-SENSITIVE ADHESIVE TAPE FOR OPTICAL USE

Pub. No.:    WO/2017/150463    International Application No.:    PCT/JP2017/007536
Publication Date: Sat Sep 09 01:59:59 CEST 2017 International Filing Date: Tue Feb 28 00:59:59 CET 2017
IPC: C09J 7/02
C09J 133/06
C09J 133/16
Applicants: SEKISUI CHEMICAL CO., LTD.
積水化学工業株式会社
Inventors: UCHIDA, Noriyuki
内田 徳之
ISHIDO, Yasushi
石堂 泰志
Title: PRESSURE-SENSITIVE ADHESIVE TAPE, PRESSURE-SENSITIVE ADHESIVE TAPE FOR AFFIXING COMPONENT FOR ELECTRONIC APPLIANCE, AND TRANSPARENT PRESSURE-SENSITIVE ADHESIVE TAPE FOR OPTICAL USE
Abstract:
The purpose of the present invention is to provide a pressure-sensitive adhesive tape which has excellent sebum resistance and which, even when applied to portions to be frequently touched with human hands, can retain the adhesive force; a pressure-sensitive adhesive tape which is for affixing a component for an electronic appliance and which comprises said pressure-sensitive adhesive tape; and a transparent pressure-sensitive adhesive tape for optical use. The present invention provides a pressure-sensitive adhesive tape which comprises a pressure-sensitive adhesive layer comprising an acrylic pressure-sensitive adhesive, wherein the pressure-sensitive adhesive layer has a degree of swelling of 100-130% through 24-hour immersion in oleic acid under the conditions of 60ºC and a humidity of 90%.