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Patent Searching and Data


Title:
接着シート、並びに物品及び物品の製造方法
Document Type and Number:
Japanese Patent JP7231128
Kind Code:
B2
Abstract:
An adhesive sheet expandable by heating is provided. The adhesive sheet, before expansion, achieve temporary fixability at room temperature and ease of insertion when inserting one member into a cavity of another member. The adhesive sheet, after expansion, maintains excellent adhesive strength to enable the members to be firmly bonded together even under high temperature environments. An adhesive sheet includes a first principal face and a second principal face opposite to each other. The first principal face includes a thermally expandable thermosetting adhesive layer and a plurality of sticky parts provided on a first principal face of the thermally expandable thermosetting adhesive layer in a patterned manner. The second principal face includes the thermally expandable thermosetting adhesive layer forming the first principal face of the adhesive sheet or another thermally expandable thermosetting adhesive layer. An article including the adhesive sheet, and a method for producing the same are also provided.

Inventors:
Shota Tanii
Morino Akinori
Sumio Shimooka
Application Number:
JP2022566676A
Publication Date:
March 01, 2023
Filing Date:
December 09, 2021
Export Citation:
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Assignee:
DIC Corporation
International Classes:
C09J7/35; B32B27/00; C09J5/06; C09J5/08; C09J7/38; C09J133/00; C09J201/00
Domestic Patent References:
JP7238276A
JP20087704A
JP7158171A
JP20145423A
JP201154743A
JP2019038145A
Foreign References:
WO2019155896A1
WO2018123615A1
WO2016163514A1
Attorney, Agent or Firm:
Takayuki Ohno
Akihiro Iwamoto
Hidefumi Sugaya
Niwa Masahiro