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1. WO2020004260 - REINFORCING FILM

Publication Number WO/2020/004260
Publication Date 02.01.2020
International Application No. PCT/JP2019/024711
International Filing Date 21.06.2019
IPC
[IPC code unknown for C09J 7/38]
C CHEMISTRY; METALLURGY
09
DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
J
ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
11
Features of adhesives not provided for in group C09J9/76
02
Non-macromolecular additives
06
organic
C CHEMISTRY; METALLURGY
09
DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
J
ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
133
Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
C CHEMISTRY; METALLURGY
09
DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
J
ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
201
Adhesives based on unspecified macromolecular compounds
C09J 7/38 (2018.01)
C09J 11/06 (2006.01)
C09J 133/00 (2006.01)
C09J 201/00 (2006.01)
CPC
C09D 11/06
C09J 11/06
C09J 133/00
C09J 201/00
C09J 7/22
C09J 7/30
Applicants
  • 日東電工株式会社 NITTO DENKO CORPORATION [JP/JP]; 大阪府茨木市下穂積1丁目1番2号 1-2, Shimohozumi 1-chome, Ibaraki-shi, Osaka 5678680, JP
Inventors
  • 仲野 武史 NAKANO, Takeshi; JP
  • 片岡 賢一 KATAOKA, Kenichi; JP
Agents
  • 新宅 将人 SHINTAKU, Masato; JP
Priority Data
2018-12215027.06.2018JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) REINFORCING FILM
(FR) FILM DE RENFORCEMENT
(JA) 補強フィルム
Abstract
(EN)
A reinforcing film (10) which comprises a film base (1) and a pressure-sensitive adhesive layer (2) tenaciously bonded to one main surface of the film base (1). The pressure-sensitive adhesive layer has been formed from a photocurable composition comprising a base polymer, a photocuring agent, a photo-radical initiator, and an antioxidant, the amounts of the photocuring agent, photo-radical initiator, and antioxidant being 10-50 parts by weight, 0.01-1 part by weight, and 0.01-2 parts by weight, respectively, per 100 parts by weight of the base polymer. In the reinforcing film of the present invention, the period from application to an adherend to an improvement in adhesive force can be set at will.
(FR)
La présente invention concerne un film de renforcement (10) qui comprend une base (1) de film et une couche adhésive sensible à la pression (2) liée de manière tenace à une surface principale de la base (1) de film. La couche adhésive sensible à la pression a été formée à partir d'une composition photodurcissable comprenant un polymère de base, un agent photodurcissable, un initiateur photo-radicalaire et un antioxydant, les quantités de l'agent photodurcissable, de l'initiateur photo-radicalaire, et de l'antioxydant étant de 10 à 50 parties en poids, de 0,01 à 1 partie en poids, et de 0,01 à 2 parties en poids, respectivement, pour 100 parties en poids du polymère de base. Dans le film de renforcement selon la présente invention, la période allant de l'application sur une partie adhérée à une amélioration de la force adhésive peut être réglée à volonté.
(JA)
補強フィルム(10)は、フィルム基材(1)の一主面上に固着積層された粘着剤層(2)を備える。粘着剤層は、ベースポリマー、光硬化剤、光ラジカル開始剤、および酸化防止剤を含む光硬化性組成物からなり、ベースポリマー100重量部に対して、光硬化剤を10~50重量部、光ラジカル開始剤を0.01~1重量部、酸化防止剤を0.01~2重量部含む。本発明の補強フィルムは、被着体との貼り合わせ後、接着力が向上するまでの時間を任意に設定可能である。
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