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Title:
REINFORCEMENT FILM
Document Type and Number:
WIPO Patent Application WO/2020/166399
Kind Code:
A1
Abstract:
Provided is a reinforcement film in which reworking is easily performed immediately after bonding to an adherend, firm adhesion to the adherend is possible, and the time taken to enhance the adhesive force after bonding to the adherend can be arbitrarily set. A reinforcement film (10) includes an adhesive layer (2) fixedly laminated on one principal surface of a film substrate (1). The adhesive layer is formed of a photocurable composition containing a base polymer, a photocuring agent, a photo-radical initiator, and an ultraviolet absorber. The photo-radical initiator preferably has an absorption maximum in a wavelength range of 310-370 nm.

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Inventors:
KATAOKA KENICHI (JP)
NAKANO TAKESHI (JP)
Application Number:
PCT/JP2020/003829
Publication Date:
August 20, 2020
Filing Date:
January 31, 2020
Export Citation:
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Assignee:
NITTO DENKO CORP (JP)
International Classes:
B32B27/18; B32B27/00; C09J4/06; C09J7/38; C09J11/06; C09J133/06; C09J201/00
Domestic Patent References:
WO2017138544A12017-08-17
Foreign References:
JP2017066322A2017-04-06
JP2017097974A2017-06-01
JP2017014379A2017-01-19
JP2020032548A2020-03-05
Attorney, Agent or Firm:
SHINTAKU, Masato (JP)
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