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1. WO2011132567 - 水分散型アクリル系粘着剤組成物及び粘着シート

公開番号 WO/2011/132567
公開日 27.10.2011
国際出願番号 PCT/JP2011/059076
国際出願日 12.04.2011
IPC
C09J 133/00 2006.1
C化学;冶金
09染料;ペイント;つや出し剤;天然樹脂;接着剤;他に分類されない組成物;他に分類されない材料の応用
J接着剤;接着方法一般の非機械的観点;他に分類されない接着方法;物質の接着剤としての使用
133ただ1つの炭素―炭素二重結合を含有する1個以上の不飽和脂肪族基をもち,そのうちただ1つの脂肪酸がただ1つのカルボキシル基によって停止されている化合物,またはその塩,無水物,エステル,アミド,イミドまたはそのニトリルの単独重合体または共重合体に基づく接着剤;そのような重合体の誘導体に基づく接着剤
C09J 7/02 2006.1
C化学;冶金
09染料;ペイント;つや出し剤;天然樹脂;接着剤;他に分類されない組成物;他に分類されない材料の応用
J接着剤;接着方法一般の非機械的観点;他に分類されない接着方法;物質の接着剤としての使用
7フィルム状または箔状の接着剤
02担体上のもの
C09J 11/06 2006.1
C化学;冶金
09染料;ペイント;つや出し剤;天然樹脂;接着剤;他に分類されない組成物;他に分類されない材料の応用
J接着剤;接着方法一般の非機械的観点;他に分類されない接着方法;物質の接着剤としての使用
11グループC09J9/00に分類されない接着剤の特徴,例.添加剤
02非高分子添加剤
06有機物
C09J 171/02 2006.1
C化学;冶金
09染料;ペイント;つや出し剤;天然樹脂;接着剤;他に分類されない組成物;他に分類されない材料の応用
J接着剤;接着方法一般の非機械的観点;他に分類されない接着方法;物質の接着剤としての使用
171主鎖にエーテル結合を形成する反応によって得られるポリエーテルに基づく接着剤;そのような重合体の誘導体に基づく接着剤
02ポリアルキレンオキシド
CPC
C08F 220/1808
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
220Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
02Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
10Esters
12of monohydric alcohols or phenols
16of phenols or of alcohols containing two or more carbon atoms
18with acrylic or methacrylic acids
1808C8-(meth)acrylate, e.g. isooctyl (meth)acrylate or 2-ethylhexyl (meth)acrylate
C08L 33/06
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
33Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
04Homopolymers or copolymers of esters
06of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
C09J 11/06
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
11Features of adhesives not provided for in group C09J9/00, e.g. additives
02Non-macromolecular additives
06organic
C09J 133/064
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
06of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
062Copolymers with monomers not covered by C09J133/06
064containing anhydride, COOH or COOM groups, with M being metal or onium-cation
C09J 133/10
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
06of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
10Homopolymers or copolymers of methacrylic acid esters
C09J 143/02
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
143Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Adhesives based on derivatives of such polymers
02Homopolymers or copolymers of monomers containing phosphorus
出願人
  • 日東電工株式会社 NITTO DENKO CORPORATION [JP]/[JP] (AllExceptUS)
  • 森本有 MORIMOTO, Yu [JP]/[JP] (UsOnly)
  • 天野立巳 AMANO, Tatsumi [JP]/[JP] (UsOnly)
  • 三井数馬 MITSUI, Kazuma [JP]/[JP] (UsOnly)
  • 米▲崎▼幸介 YONEZAKI, Kousuke [JP]/[JP] (UsOnly)
  • ▲高▼嶋杏子 TAKASHIMA, Kyoko [JP]/[JP] (UsOnly)
  • ▲高▼嶋淳 TAKASHIMA, Atsushi [JP]/[JP] (UsOnly)
発明者
  • 森本有 MORIMOTO, Yu
  • 天野立巳 AMANO, Tatsumi
  • 三井数馬 MITSUI, Kazuma
  • 米▲崎▼幸介 YONEZAKI, Kousuke
  • ▲高▼嶋杏子 TAKASHIMA, Kyoko
  • ▲高▼嶋淳 TAKASHIMA, Atsushi
代理人
  • 後藤幸久 GOTO, Yukihisa
優先権情報
2010-09723220.04.2010JP
2010-09723320.04.2010JP
2010-09723420.04.2010JP
公開言語 (言語コード) 日本語 (ja)
出願言語 (言語コード) 日本語 (JA)
指定国 (国コード)
発明の名称
(EN) WATER-DISPERSING ACRYLIC ADHESIVE COMPOSITION AND ADHESIVE SHEET
(FR) COMPOSITION ADHÉSIVE ACRYLIQUE DISPERSIBLE DANS L'EAU ET FEUILLE ADHÉSIVE
(JA) 水分散型アクリル系粘着剤組成物及び粘着シート
要約
(EN) Provided is a water-dispersing acrylic adhesive composition that can form a removable adhesive layer with excellent resistance to an increase in adhesive strength over time, appearance traits, and low contamination properties with respect to an adherend. The water-dispersing acrylic adhesive composition contains: an alkyl (meth)acrylate ester, and an unsaturated monomer containing a carboxyl group; an acrylic emulsion polymer having a solvent-insoluble content of at least 70 wt%, and comprising at least one type of monomer as an essential monomer, selected from methyl methacrylate, vinyl acetate and a diethyl acrylamide; and a non-water-soluble crosslinking agent comprising two or more functional groups that can react with the carboxyl group in a molecule. After the acrylic adhesive composition has been applied to a thickness of 50 μm after drying, the solvent-insoluble content of the crosslinked acrylic adhesive film produced by drying the acrylic adhesive composition for two minutes at 120°C, and then aging the acrylic adhesive composition for three days at 50°C is at least 90 wt%, and the rupture elongation is not more than 130% at 23°C.
(FR) La présente invention concerne une composition adhésive acrylique dispersible dans l'eau qui peut former une couche adhésive amovible qui a d'excellentes résistance à une augmentation de la résistance d'adhésion au cours du temps, des caractéristiques d'aspect, et de faibles propriétés de contamination par rapport à un adhérant. La composition adhésive acrylique dispersible dans l'eau contient : un ester (méth)acrylate d'alkyle et un monomère insaturé contenant un groupe carboxyle ; un polymère d'émulsion acrylique ayant une teneur en insolubles dans un solvant d'au moins 70 % en poids, et comprenant au moins un type de monomère en tant que monomère essentiel choisi parmi le méthacrylate de méthyle, l'acétate de vinyle et un diéthylacrylamide ; et un agent de réticulation non hydrosoluble comprenant deux groupes fonctionnels ou plus qui peuvent réagir avec le groupe carboxyle dans une molécule. Après que la composition adhésive acrylique ait été appliquée à une épaisseur de 50 μm après séchage, la teneur en insolubles dans un solvant du film adhésif acrylique réticulé produit par séchage de la composition adhésive acrylique pendant deux minutes à 120 °C, et ensuite vieillissement de la composition adhésive acrylique pendant trois jours à 50 °C est d'au moins 90 % en poids, et l'allongement à la rupture est de pas plus de 130 % à 23 °C.
(JA)  経時での粘着力上昇防止性、外観特性及び被着体に対する低汚染性に優れた粘着剤層を形成しうる、水分散型のアクリル系粘着剤組成物を提供する。本発明の水分散型アクリル系粘着剤組成物は、(メタ)アクリル酸アルキルエステル、カルボキシル基含有不飽和単量体、並びに、メタクリル酸メチル、酢酸ビニル及びジエチルアクリルアミドから選ばれた少なくとも1種の単量体を必須の原料モノマーとする、溶剤不溶分70重量%以上のアクリルエマルション系重合体、並びに、分子中にカルボキシル基と反応しうる官能基を2個以上有する非水溶性架橋剤を含み、該アクリル系粘着剤組成物を乾燥後の厚さが50μmになるように塗布した後、120℃で2分間乾燥させ、さらに50℃で3日間エージングして作製した架橋後のアクリル系粘着剤皮膜の溶剤不溶分が90重量%以上かつ23℃における破断伸びが130%以下となることを特徴としている。
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