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1. JPWO2020162439 - 光学透明粘着シート、積層シート及び貼り合わせ構造物

官庁 日本
出願番号 2020506826
出願日 04.02.2020
公開番号 WO2020162439
公開日 13.08.2020
公報種別 A1
CPC
B32B 27/00
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 comprising ; a layer of; synthetic resin
B32B 27/30
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 comprising ; a layer of; synthetic resin
30comprising vinyl ; (co)polymers; comprising acrylic (co)polymers
B32B 27/40
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 comprising ; a layer of; synthetic resin
40comprising polyurethanes
C09J 133/04
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 MATERIAL AS ADHESIVES
133Adhesives 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
04Homopolymers or copolymers of esters
C09J 7/25
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 MATERIAL AS ADHESIVES
7Adhesives in the form of films or foils
20characterised by their carriers
22Plastics; Metallised plastics
25based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
C09J 7/38
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 MATERIAL AS ADHESIVES
7Adhesives in the form of films or foils
30characterised by the adhesive composition
38Pressure-sensitive adhesives [PSA]
出願人 バンドー化学株式会社
発明者 尾上 真理子
高濱 瞬
代理人 特許業務法人 安富国際特許事務所
優先権情報 2019019948 06.02.2019 JP
発明の名称
(JA) 光学透明粘着シート、積層シート及び貼り合わせ構造物
要約
(JA)

本発明は、高温高湿環境下における白化が防止された光学透明粘着シート、並びに、該光学透明粘着シートを用いた積層シート及び貼り合わせ構造物を提供する。本発明の光学透明粘着シートは、第一の表面を構成する第一のアクリル粘着剤層と、熱硬化ポリウレタン層と、第二の表面を構成する第二のアクリル粘着剤層をこの順に有し、上記第一のアクリル粘着剤層及び上記第二のアクリル粘着剤層は、透湿度が500〜800g/m・hである。

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