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1. 发明授权

EP2770033B1 REMOVABLE WATER-DISPERSIBLE ACRYLIC-BASED ADHESIVE COMPOSITION AND ADHESIVE SHEET 有权
标题翻译：加泰罗尼亚热带雨林
公开(公告)号：EP2770033B1
公开(公告)日：2017-01-11
申请号：EP12841814.2
申请日：2012-10-15
申请人： Nitto Denko Corporation
发明人： TAKASHIMA, Kyoko , MITSUI, Kazuma , MORIMOTO, Yu , AMANO, Tatsumi , YONEZAKI, Kousuke
IPC分类号： C09J133/06 , C09J7/02 , C09J11/06 , C09J133/02
CPC分类号： C09J7/0217 , C08L2201/54 , C08L2312/00 , C09J7/385 , C09J133/02 , C09J133/08 , Y10T428/2848 , Y10T428/2891 , C08F2220/1858 , C08F220/14 , C08F220/06
摘要： The present invention provides an acrylic water-dispersible pressure-sensitive adhesive composition that can prepare a removable adhesive layer having low contamination of an adherent. The acrylic water-dispersible pressure-sensitive removable adhesive composition according to the present invention comprises an acrylic emulsion polymer (A) comprising an alkyl (meth)acrylate ester and a carboxyl group-containing unsaturated monomer as essential raw material constitutive monomers and prepared by polymerization with a reactive surfactant containing no oxyalkylene group.
摘要翻译：本发明提供一种丙烯酸水分散性压敏粘合剂组合物，其可以制备具有低粘附剂污染的可除去粘合剂层。根据本发明的丙烯酸类水分散性压敏可去除性粘合剂组合物包含含有（甲基）丙烯酸烷基酯和含羧基的不饱和单体的丙烯酸乳液聚合物（A）作为必需的原料组成单体，并通过聚合与不含氧化烯基的反应性表面活性剂。

2. 发明授权

EP2492330B1 Removable Water-Dispersible Acrylic Pressure-Sensitive Adhesive Composition and Pressure-Sensitive Adhesive Sheet 有权
标题翻译：可拆卸的，水分散型含丙烯酸类的压敏粘合剂组合物和压敏粘合片
公开(公告)号：EP2492330B1
公开(公告)日：2014-07-30
申请号：EP12157029.5
申请日：2012-02-27
申请人： Nitto Denko Corporation
发明人： MITSUI, Kazuma , AMANO, Tatsumi , TAKASHIMA, Kyoko , MORIMOTO, Yu , YONEZAKI, Kousuke
IPC分类号： C09J133/00
CPC分类号： C08L33/10 , C08L33/02 , C08L33/08 , C08L2312/00 , Y10T428/2891
摘要： A removable water-dispersible acrylic pressure-sensitive adhesive composition according to the present invention includes an acrylic emulsion polymer (A), a water-insoluble crosslinking agent (B), and a carboxylic-acid-containing acrylic polymer (C). The polymer (A) includes a (meth)acrylic alkyl ester and a carboxyl-containing unsaturated monomer as essential constitutive monomers and has a content of the (meth)acrylic alkyl ester of 70 to 99.5 percent by weight and a content of the carboxyl-containing unsaturated monomer of 0.5 to 10 percent by weight, each based on the total amount of constitutive monomers. The polymer (C) includes (meth)acrylic acid as an essential constitutive monomer and has a total content of acrylic acid and methacrylic acid of 11 percent by weight or more based on the total amount of constitutive monomers.

3. 发明公开

EP2562228A1 WATER-DISPERSING ACRYLIC ADHESIVE COMPOSITION AND ADHESIVE SHEET 审中-公开
标题翻译：在高分辨率分辨率的ACRYLHAFTMITTELZUSAMMENSETZUNG UND HAFTFOLIE DARAUS
公开(公告)号：EP2562228A1
公开(公告)日：2013-02-27
申请号：EP11771902.1
申请日：2011-04-12
申请人： Nitto Denko Corporation
发明人： MORIMOTO, Yu , AMANO, Tatsumi , MITSUI, Kazuma , YONEZAKI, Kousuke , TAKASHIMA, Kyoko , TAKASHIMA, Atsushi
IPC分类号： C09J133/00 , C09J7/02 , C09J11/06 , C09J171/02
CPC分类号： C09J143/02 , C08F2220/1858 , C08L33/06 , C09J7/38 , C09J133/10 , C09J171/02 , C09J2203/318 , C09J2433/00 , C09J2471/00 , Y10T428/2887 , Y10T428/2891 , C08F220/14 , C08F220/06
摘要： Provided is a water-dispersible acrylic pressure-sensitive adhesive composition capable of forming a pressure-sensitive adhesive layer which is resistant to increase in adhesive strength with time, has a good appearance, and less stains an adherend. The water-dispersible acrylic pressure-sensitive adhesive composition includes an acrylic emulsion polymer; and a water-insoluble crosslinking agent having two or more carboxyl-reactive functional groups per molecule. The acrylic emulsion polymer is formed from constitutive monomers essentially including a (meth)acrylic alkyl ester (A), a carboxyl-containing unsaturated monomer (B), and at least one monomer (C) selected from methyl methacrylate, vinyl acetate, and diethylacrylamide and has a solvent-insoluble content of 70 percent by weight or more. When the acrylic pressure-sensitive adhesive composition is applied so as to have a dry thickness of 50 µm, dried at 120°C for 2 minutes, and aged at 50°C for 3 days to give a cross-linked acrylic pressure-sensitive adhesive film, the film has a solvent-insoluble content of 90 percent by weight or more and an elongation at break of 130% or less at 23°C.
摘要翻译：本发明提供一种能够形成耐粘合强度随时间增加的粘合剂层的水分散性丙烯酸类压敏粘合剂组合物，具有良好的外观，并且较少污染被粘物。水分散性丙烯酸类压敏粘合剂组合物包括丙烯酸乳液聚合物; 和每分子具有两个以上羧基反应性官能团的水不溶性交联剂。丙烯酸乳液聚合物由主要包含（甲基）丙烯酸烷基酯（A），含羧基不饱和单体（B）和至少一种选自甲基丙烯酸甲酯，乙酸乙烯酯和二乙基丙烯酰胺的单体（C））的组成单体形成并且溶剂不溶物含量为70重量％以上。当丙烯酸类压敏粘合剂组合物施加到干燥厚度为50μm时，在120℃下干燥2分钟，并在50℃下老化3天，得到交联的丙烯酸类压敏粘合剂薄膜，在23℃下，溶剂不溶物含量为90重量％以上，断裂伸长率为130％以下。

4. 发明公开

EP2770033A1 REMOVABLE WATER-DISPERSIBLE ACRYLIC-BASED ADHESIVE COMPOSITION AND ADHESIVE SHEET 有权
标题翻译：可拆卸的水分散型粘着剂组合物技术丙烯酸基和焊接膜
公开(公告)号：EP2770033A1
公开(公告)日：2014-08-27
申请号：EP12841814.2
申请日：2012-10-15
申请人： Nitto Denko Corporation
发明人： TAKASHIMA, Kyoko , MITSUI, Kazuma , MORIMOTO, Yu , AMANO, Tatsumi , YONEZAKI, Kousuke
IPC分类号： C09J133/06 , C09J7/02 , C09J11/06 , C09J133/02
CPC分类号： C09J7/0217 , C08L2201/54 , C08L2312/00 , C09J7/385 , C09J133/02 , C09J133/08 , Y10T428/2848 , Y10T428/2891 , C08F2220/1858 , C08F220/14 , C08F220/06
摘要： The present invention provides an acrylic water-dispersible pressure-sensitive adhesive composition that can prepare a removable adhesive layer having low contamination of an adherent. The acrylic water-dispersible pressure-sensitive removable adhesive composition according to the present invention comprises an acrylic emulsion polymer (A) comprising an alkyl (meth)acrylate ester and a carboxyl group-containing unsaturated monomer as essential raw material constitutive monomers and prepared by polymerization with a reactive surfactant containing no oxyalkylene group.

5. 发明公开

EP2562226A1 WATER-DISPERSIBLE ACRYLIC ADHESIVE AGENT COMPOSITION AND ADHESIVE SHEET 审中-公开
标题翻译：水分散型丙烯酸粘合剂组合物和粘合片
公开(公告)号：EP2562226A1
公开(公告)日：2013-02-27
申请号：EP11771900.5
申请日：2011-04-12
申请人： Nitto Denko Corporation
发明人： TAKASHIMA, Atsushi , AMANO, Tatsumi , MITSUI, Kazuma , YONEZAKI, Kousuke , TAKASHIMA, Kyoko , MORIMOTO, Yu
IPC分类号： C09J133/00 , C09J7/02 , C09J11/06 , C09J171/02
CPC分类号： C09J143/02 , C08F2220/1858 , C08L33/06 , C09J7/38 , C09J133/10 , C09J171/02 , C09J2203/318 , C09J2433/00 , C09J2471/00 , Y10T428/2887 , Y10T428/2891 , C08F220/14 , C08F220/06
摘要： Provided are a water-dispersible acrylic pressure-sensitive adhesive composition capable of forming a pressure-sensitive adhesive layer which has excellent resistance to increase in adhesive strength and a good appearance and less causes staining; and a pressure-sensitive adhesive sheet having a pressure-sensitive adhesive layer formed from the pressure-sensitive adhesive composition. The water-dispersible acrylic pressure-sensitive adhesive composition includes an acrylic emulsion polymer (A) formed from constitutive monomers essentially containing 70 to 99.5 percent by weight of a (meth)acrylic alkyl ester and 0.5 to 10 percent by weight of a carboxyl-containing unsaturated monomer; and a compound (B) represented by following Formula (I):

R 1 O-(PO) a -(EO) b -(PO) c -R 2 (I)

wherein R 1 and R 2 each represent a linear or branched chain alkyl group or hydrogen atom; PO represents oxypropylene group; EO represents oxyethylene group; and "a," "b," and "c" are each a positive integer, where EO and POs are added in a block manner.
摘要翻译：本发明提供一种水分散型丙烯酸类压敏胶粘剂组合物，其能够形成具有优异的耐粘附力增加性和良好外观并且不易引起沾污的压敏胶粘剂层; 和具有由该压敏粘合剂组合物形成的压敏粘合剂层的压敏粘合剂片。该水分散性丙烯酸类压敏粘合剂组合物包括由基本上含有70-99.5重量％（甲基）丙烯酸烷基酯和0.5-10重量％含羧基的组分单体形成的丙烯酸乳液聚合物（A）不饱和单体; （I）表示的化合物（B）：R1O-（PO）a-（EO）b-（PO）c-R2（I）其中R1和R2各自表示直链或支链烷基或氢原子; PO代表氧化丙烯基团; EO代表氧乙烯基团; 和“a”，“b”和“c”均为正整数，其中EO和POs以块方式添加。

6. 发明公开

EP2492330A3 Removable Water-Dispersible Acrylic Pressure-Sensitive Adhesive Composition and Pressure-Sensitive Adhesive Sheet 有权
标题翻译：可除去水分散性丙烯酸压敏胶粘剂组合物和压敏胶粘片
公开(公告)号：EP2492330A3
公开(公告)日：2012-09-05
申请号：EP12157029.5
申请日：2012-02-27
申请人： Nitto Denko Corporation
发明人： MITSUI, Kazuma , AMANO, Tatsumi , TAKASHIMA, Kyoko , MORIMOTO, Yu , YONEZAKI, Kousuke
IPC分类号： C09J133/00
CPC分类号： C08L33/10 , C08L33/02 , C08L33/08 , C08L2312/00 , Y10T428/2891
摘要： A removable water-dispersible acrylic pressure-sensitive adhesive composition according to the present invention includes an acrylic emulsion polymer (A), a water-insoluble crosslinking agent (B), and a carboxylic-acid-containing acrylic polymer (C). The polymer (A) includes a (meth)acrylic alkyl ester and a carboxyl-containing unsaturated monomer as essential constitutive monomers and has a content of the (meth)acrylic alkyl ester of 70 to 99.5 percent by weight and a content of the carboxyl-containing unsaturated monomer of 0.5 to 10 percent by weight, each based on the total amount of constitutive monomers. The polymer (C) includes (meth)acrylic acid as an essential constitutive monomer and has a total content of acrylic acid and methacrylic acid of 11 percent by weight or more based on the total amount of constitutive monomers.
摘要翻译：根据本发明的可除去水分散性丙烯酸类压敏粘合剂组合物包含丙烯酸类乳液聚合物（A），非水溶性交联剂（B）和含羧酸的丙烯酸类聚合物（C）。聚合物（A）包含（甲基）丙烯酸烷基酯和含羧基不饱和单体作为必需组成单体，并且（甲基）丙烯酸烷基酯的含量为70至99.5重量％，并且羧基 - 含有0.5-10重量％的不饱和单体，各自基于组成单体的总量。聚合物（C）包含（甲基）丙烯酸作为基本组成单体，并且基于组成单体的总量，丙烯酸和甲基丙烯酸的总含量为11重量％或更多。

7. 发明公开

EP2492330A2 Removable Water-Dispersible Acrylic Pressure-Sensitive Adhesive Composition and Pressure-Sensitive Adhesive Sheet 有权
标题翻译：可拆卸的，水分散型含丙烯酸类的压敏粘合剂组合物和压敏粘合片
公开(公告)号：EP2492330A2
公开(公告)日：2012-08-29
申请号：EP12157029.5
申请日：2012-02-27
申请人： Nitto Denko Corporation
发明人： MITSUI, Kazuma , AMANO, Tatsumi , TAKASHIMA, Kyoko , MORIMOTO, Yu , YONEZAKI, Kousuke
IPC分类号： C09J133/00
CPC分类号： C08L33/10 , C08L33/02 , C08L33/08 , C08L2312/00 , Y10T428/2891
摘要： A removable water-dispersible acrylic pressure-sensitive adhesive composition according to the present invention includes an acrylic emulsion polymer (A), a water-insoluble crosslinking agent (B), and a carboxylic-acid-containing acrylic polymer (C). The polymer (A) includes a (meth)acrylic alkyl ester and a carboxyl-containing unsaturated monomer as essential constitutive monomers and has a content of the (meth)acrylic alkyl ester of 70 to 99.5 percent by weight and a content of the carboxyl-containing unsaturated monomer of 0.5 to 10 percent by weight, each based on the total amount of constitutive monomers. The polymer (C) includes (meth)acrylic acid as an essential constitutive monomer and has a total content of acrylic acid and methacrylic acid of 11 percent by weight or more based on the total amount of constitutive monomers.
摘要翻译：一个可移动的水可分散的丙烯酸系压敏粘合剂组合物gemäß到本发明包括对丙烯酸酯乳液聚合物（A），水不溶性交联剂（B）和丙烯酸类聚合物含羧酸 - （C）。聚合物（A）包括（甲基）丙烯酸烷基酯和含羧基的不饱和单体作为必须构成单体，并且具有按重量计70（甲基）丙烯酸烷基酯的99.5％的含量和羧基含量含有按重量计0.5至10％的不饱和单体，各自基于构成单体的总量。聚合物（C）包括（甲基）丙烯酸，以构成单体作为必要和具有丙烯酸和11％甲基丙烯酸的重量或更多基于构成单体的总量的总含量。

8. 发明公开

EP2562227A1 REMOVABLE WATER-DISPERSING ACRYLIC ADHESIVE COMPOSITION AND ADHESIVE SHEET 审中-公开
标题翻译：加泰罗尼亚热带雨林
公开(公告)号：EP2562227A1
公开(公告)日：2013-02-27
申请号：EP11771901.3
申请日：2011-04-12
申请人： Nitto Denko Corporation
发明人： MORIMOTO, Yu , AMANO, Tatsumi , MITSUI, Kazuma , YONEZAKI, Kousuke , TAKASHIMA, Kyoko , TAKASHIMA, Atsushi
IPC分类号： C09J133/00 , C09J7/02 , C09J11/06 , C09J171/02
CPC分类号： C09J143/02 , C08F2220/1858 , C08L33/06 , C09J7/38 , C09J133/10 , C09J171/02 , C09J2203/318 , C09J2433/00 , C09J2471/00 , Y10T428/2887 , Y10T428/2891 , C08F220/14 , C08F220/06
摘要： Provided is a water-dispersible acrylic pressure-sensitive adhesive composition capable of forming a removable pressure-sensitive adhesive layer which has satisfactory resistance to increase in adhesive strength and a good appearance and less causes staining on an adherend. The removable water-dispersible acrylic pressure-sensitive adhesive composition includes an acrylic emulsion polymer (A) formed from constitutive monomers essentially including 70 to 99.5 percent by weight of a (meth)acrylic alkyl ester and 0.5 to 10 percent by weight of a carboxyl-containing unsaturated monomer based on the total amount of the constitutive monomers; a water-insoluble crosslinking agent (B); an acetylenic diol compound (C); and a specific polyether defoaming agent (D). The acetylenic diol compound (C) has an HLB of less than 13, and the polyether defoaming agent (D) has a PO in a content of from 70 to 100 percent by weight and a number-average molecular weight of from 1200 to 4000.
摘要翻译：提供一种能够形成可剥离的粘合剂层的水分散性丙烯酸类压敏粘合剂组合物，其具有令人满意的粘合强度增加和良好外观的耐受性，并且较少导致被粘物上的染色。可除去的水分散性丙烯酸类压敏粘合剂组合物包括由基本单体形成的丙烯酸乳液聚合物（A），其基本上包含70-99.5重量％的（甲基）丙烯酸烷基酯和0.5至10重量％的羧基 - 基于组成单体的总量含有不饱和单体; 水不溶性交联剂（B）; 炔二醇化合物（C）; 和特定的聚醚消泡剂（D）。炔属二醇化合物（C）的HLB小于13，聚醚消泡剂（D）的PO含量为70〜100重量％，数均分子量为1200〜4000。

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