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1. WO2020179464 - ADHESIVE TAPE AND OBJECT TO BE BONDED

Publication Number WO/2020/179464
Publication Date 10.09.2020
International Application No. PCT/JP2020/006758
International Filing Date 20.02.2020
IPC
B32B 27/00 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
27Layered products essentially comprising synthetic resin
C09J 11/04 2006.01
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
11Features of adhesives not provided for in group C09J9/76
02Non-macromolecular additives
04inorganic
C09J 11/08 2006.01
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
11Features of adhesives not provided for in group C09J9/76
08Macromolecular additives
C09J 201/00 2006.01
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
201Adhesives based on unspecified macromolecular compounds
C09J 7/20 2018.01
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
7Adhesives in the form of films or foils
20characterised by their carriers
C09J 7/38 2018.01
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
7Adhesives in the form of films or foils
30characterised by the adhesive composition
38Pressure-sensitive adhesives
Applicants
  • DIC株式会社 DIC CORPORATION [JP]/[JP]
Inventors
  • 山上 晃 YAMAKAMI Akira
  • 渡辺 大亮 WATANABE Daisuke
Agents
  • 小川 眞治 OGAWA Shinji
Priority Data
2019-03905304.03.2019JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) ADHESIVE TAPE AND OBJECT TO BE BONDED
(FR) RUBAN ADHÉSIF ET OBJET DEVANT ÊTRE COLLÉ
(JA) 粘着テープおよび接着体
Abstract
(EN)
The purpose of the present invention is to provide an adhesive tape on which it is possible to reduce a load on the adhesive tape and to prevent tearing even when peeling the adhesive tape at an angle from an adhered-to surface. The adhesive tape according to the present invention comprises a base material layer and an adhesive layer on both surfaces of said base material layer, and is characterised by having, on at least one surface of one end side of the adhesive tape, a cover section having a thickness of 40 μm or less, the base material layer having an elongation at break of 200-3,000% and a breaking strength of 1.5-80 MPa.
(FR)
L'objectif de la présente invention est de fournir un ruban adhésif sur lequel il est possible de réduire une charge sur le ruban adhésif et d'empêcher une déchirure même lors du décollement du ruban adhésif selon un angle par rapport à une surface de collage. Le ruban adhésif selon la présente invention comprend une couche de matériau de base et une couche adhésive sur les deux surfaces de ladite couche de matériau de base et est caractérisé en ce qu'il présente, sur au moins une surface d'un côté d'extrémité du ruban adhésif, une section de couverture présentant une épaisseur de 40 µm ou moins, la couche de matériau de base présentant un allongement à la rupture de 200 à 3 000 % et une résistance à la rupture de 1,5 à 80 MPa.
(JA)
本発明は、粘着テープを貼付け面に対して角度をつけて剥がす際にも、粘着テープへの負荷を低減しちぎれを防止することができる粘着テープを提供することを目的とする。 本発明の粘着テープは、基材層と、当該基材層の両面に粘着剤層とを備えるものであって、前記粘着テープの1つの端部側の少なくとも一方の表面上に、厚さが40μm以下である被覆部を有し、前記基材層は、破断伸度が200~3000%であり、破断強度が1.5~80MPaであることを特徴とする。
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