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1. 发明申请

WO2013162056A1 ACRYLIC PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND PRESSURE-SENSITIVE ADHESIVE PRODUCTS 审中-公开
标题翻译：丙烯酸压敏粘合剂组合物和压敏胶粘剂产品
公开(公告)号：WO2013162056A1
公开(公告)日：2013-10-31
申请号：PCT/JP2013/062745
申请日：2013-04-24
申请人： KURARAY CO., LTD.
发明人： NAKADA, Kanayo , MORISHITA, Yoshihiro , OSHITA, Shinya
IPC分类号： C09J153/00 , B32B27/00 , B32B27/30 , C09J7/02 , C09J133/08 , C09J133/10
CPC分类号： C09J7/20 , B32B27/00 , B32B27/30 , C08F297/026 , C09J7/387 , C09J153/00 , C09J2201/606 , C09J2203/334 , C09J2205/114 , C09J2433/00 , C09J2453/00 , G09F3/10 , Y10T428/2891
摘要： There are provided a pressure-sensitive adhesive composition which is excellent in durability, whitening resistance, hot-melt processability, pressure-sensitive adhesion properties, holding power at high temperatures, heat resistance, weathering resistance, compatibility with tackifying resins, low-temperature properties and transparency, is excellent also in balance of these properties and rarely suffers adhesion acceleration, and pressure-sensitive adhesive products using the pressure-sensitive adhesive composition. The pressure-sensitive adhesive composition comprises an acrylic block copolymer (I) having a polymer block (A) comprising methacrylic acid ester units and a polymer block (B) comprising acrylic acid ester units which are derived from an acrylic acid ester (1) represented by the general formula CH 2 =CH-COOR 1 (1) (wherein R 1 is an organic group of 4 to 6 carbon atoms) and an acrylic acid ester (2) represented by the general formula CH 2 =CH-COOR 2 (2) (wherein R 2 is an organic group of 7 to 12 carbon atoms), the mass ratio (1)/(2) of said acrylic acid ester (1) to said acrylic acid ester (2) being 65/35 to 20/80.
摘要翻译：提供了耐久性，耐白化性，热熔加工性，压敏粘合性，高温保持力，耐热性，耐候性，与增粘树脂的相容性，低温性能优异的粘合剂组合物透明性也优异，在这些性能的平衡上也很少受到粘合加速，以及使用压敏粘合剂组合物的压敏粘合剂产品。压敏粘合剂组合物包含具有包含甲基丙烯酸酯单元的聚合物嵌段（A）的丙烯酸嵌段共聚物（I）和包含丙烯酸酯单元的聚合物嵌段（B），所述丙烯酸酯单元来自表示的丙烯酸酯由通式CH 2 = CH-COOR 1（1）（其中R 1是4至6个碳原子的有机基团）和由通式CH 2 = CH-COOR 2（2）表示的丙烯酸酯（2）（其中R 2 是7至12个碳原子的有机基团），所述丙烯酸酯（1）与所述丙烯酸酯（2）的质量比（1）/（2）为65/35至20/80。

2. 发明公开

EP3904480A1 LAMINATE HAVING STRUCTURE INCLUDING THROUGH-HOLE 审中-实审
公开(公告)号：EP3904480A1
公开(公告)日：2021-11-03
申请号：EP19904689.7
申请日：2019-12-25
申请人： Kuraray Co., Ltd.
发明人： ONO, Tomohiro , NAKADA, Kanayo
IPC分类号： C09J7/38 , B32B27/00 , B32B27/30 , C09J153/00
摘要： A laminate is provided which includes a substrate and a structural body including a base portion and a through hole and which can concurrently satisfy stickiness and releasability and can be released with no or little adhesive residue. The laminate includes a substrate and a structural body disposed on the surface of at least one side of the substrate, the structural body including a base portion and a through hole. The base portion of the structural body includes an acrylic triblock copolymer (I) and no tackifier resins or includes an acrylic triblock copolymer (I) and a tackifier resin in a tackifier resin/(I) mass ratio of not more than 20/100. The acrylic triblock copolymer (I) includes two polymer blocks (A1) and (A2) each including methacrylic acid ester units and one polymer block (B) including acrylic acid ester units represented by the general formula CH 2 =CH-COOR 1 (1) (wherein R 1 denotes a C4-C12 organic group). The acrylic triblock copolymer (I) has an (A1)-(B)-(A2) block structure and a weight average molecular weight of 50,000 to 250,000. The total content of the polymer blocks (A1) and (A2) is not more than 35 mass% of the acrylic triblock copolymer (I).

3. 发明公开

EP3184597A1 ACRYLIC ADHESIVE COMPOSITION AND ADHESIVE PRODUCT 审中-公开
标题翻译：丙烯酸粘合剂组合物和粘合剂产品
公开(公告)号：EP3184597A1
公开(公告)日：2017-06-28
申请号：EP15833806.1
申请日：2015-08-17
申请人： Kuraray Co., Ltd.
发明人： NAKADA, Kanayo , MORISHITA, Yoshihiro
IPC分类号： C09J153/00 , C08F297/02 , C09J7/00 , C09J7/02 , C09J11/06 , C09J11/08 , C09J133/04
CPC分类号： C09J153/00 , C08F297/02 , C08F297/026 , C09J7/00 , C09J7/20 , C09J11/06 , C09J11/08 , C09J133/04
摘要： The present invention provides pressure-sensitive adhesive compositions which have excellent adhesion force, cohesion force, tack and holding power, and pressure-sensitive adhesive products including the pressure-sensitive adhesive compositions. The pressure-sensitive adhesive composition includes (i) 100 parts by mass of an acrylic block copolymer (I) including at least one polymer block (A) containing methacrylate ester units and at least one polymer block (B) containing acrylate ester units, the acrylic block copolymer (I) having a weight average molecular weight of 30,000 to 300,000, the acrylate ester units in the polymer block (B) including not less than 80 mass% of units from an acrylate ester (1) represented by the general formula (1): CH 2 =CH-COOR 2 (wherein R 2 is an organic group having 7 to 12 carbon atoms); (ii) 1 to 300 parts by mass of a tackifier resin; and (iii) 1 to 200 parts by mass of at least one plasticizer selected from process oils, and organic acid esters and oligomers thereof.
摘要翻译：本发明提供具有优异的粘合力，内聚力，粘着力和保持力的压敏粘合剂组合物，以及包含该压敏粘合剂组合物的压敏粘合剂产品。该压敏粘合剂组合物包含（i）100质量份包含至少一个含甲基丙烯酸酯单元的聚合物嵌段（A）和至少一个含有丙烯酸酯单元的聚合物嵌段（B）的丙烯酸类嵌段共聚物（I），所述（1）表示的丙烯酸酯（1）的单元不少于80质量％的聚合物嵌段（B）中的丙烯酸酯单元的重均分子量为30,000至300,000的丙烯酸类嵌段共聚物 1）：CH 2 = CH-COOR 2（其中R 2是具有7至12个碳原子的有机基团）; （ii）1至300质量份的增粘树脂; 和（iii）1至200质量份至少一种选自加工油，以及其有机酸酯和低聚物的增塑剂。

4. 发明授权

EP3252090B1 ACRYLIC BLOCK COPOLYMER AND ADHESIVE COMPOSITION 有权
公开(公告)号：EP3252090B1
公开(公告)日：2019-08-14
申请号：EP16743211.1
申请日：2016-01-21
申请人： Kuraray Co., Ltd.
发明人： NAKADA, Kanayo , MORISHITA, Yoshihiro
IPC分类号： C08F297/02 , C08L53/00 , C09J153/00

5. 发明公开

EP3252090A1 ACRYLIC BLOCK COPOLYMER AND PRESSURE-SENSITIVE ADHESIVE COMPOSITION 有权
标题翻译：丙烯酸嵌段共聚物和压敏粘合剂组合物
公开(公告)号：EP3252090A1
公开(公告)日：2017-12-06
申请号：EP16743211.1
申请日：2016-01-21
申请人： Kuraray Co., Ltd.
发明人： NAKADA, Kanayo , MORISHITA, Yoshihiro
IPC分类号： C08F297/02 , C08L53/00 , C09J11/06 , C09J133/08 , C09J133/10 , C09J153/00
CPC分类号： C08L53/00 , C08F297/026 , C08G2170/20 , C08G2261/126 , C08L33/08 , C08L33/10 , C08L2205/025 , C09J133/08 , C09J133/10 , C09J153/00
摘要： [Object] To provide an acrylic block copolymer which can be used in an adhesive composition to give an excellent adhesive force, cohesive force, holding power, tack, and hot-melt coatability; and also to provide an adhesive composition containing such a block copolymer. [Solution] An acrylic block copolymer (I) contains at least two polymer blocks (A) containing methacrylic acid ester units and at least one polymer block (B) containing acrylic acid ester units, wherein the acrylic block copolymer (I) has structure of blocks (A)-(B)-(A), a weight average molecular weight (Mw) ranging from 30,000 to 100,000, and a melt viscosity of not more than 100,000 mPa·s, the melt viscosity being measured at 100°C with a Brookfield viscometer.
摘要翻译：本发明提供一种丙烯酸类嵌段共聚物，其可以用于粘合剂组合物中，以获得优异的粘合力，内聚力，保持力，粘性和热熔涂覆性; 并且还提供含有这种嵌段共聚物的粘合剂组合物。（I）丙烯酸类嵌段共聚物（I）含有至少2个含有甲基丙烯酸酯单元的聚合物嵌段（A）和至少1个含有丙烯酸酯单元的聚合物嵌段（B），其中，所述丙烯酸类嵌段共聚物（I）具有（A）〜（B）〜（A）的重均分子量（Mw）为30,000〜100,000的范围，熔融粘度为100mPa·s以下，熔融粘度为100℃，布鲁克菲尔德粘度计。

6. 发明公开

EP2998375A1 ADHESIVE CONTAINING BLOCK COPOLYMER 有权
标题翻译： HAFTSTOFF MIT EINEM BLOCKCOPOLYMER
公开(公告)号：EP2998375A1
公开(公告)日：2016-03-23
申请号：EP14797937.1
申请日：2014-05-09
申请人： Kuraray Co., Ltd.
发明人： NAKADA, Kanayo , MORISHITA, Yoshihiro
IPC分类号： C09J153/00 , C08F297/02
CPC分类号： C09J153/00 , C08F4/52 , C08F293/005 , C08F297/026 , C08F220/14 , C08F2220/1825
摘要： Provided are an acrylic hot-melt adhesive that has both good hot-melt processability and good holding power, that is suitable for applications to a hot-melt coating method in which coating is performed at a low temperature at a high speed, that has good transparency and good weather resistance, and that further has good adhesiveness at low temperatures, and a block copolymer suitable for use in the adhesive. Prepared is an adhesive containing a block copolymer having at least one structure represented by a general formula: - [A1]-[B/A2]- (where, in the formula, [A1] represents a polymer block composed of a structural unit derived from a methacrylic acid ester (A1), [B/A2] represents a copolymer block composed of a structural unit derived from an acrylic acid ester (B) and a structural unit derived from a methacrylic acid ester (A2), and the copolymer block [B/A2] has a gradient copolymer block section in which a copolymerization ratio of the methacrylic acid ester (A2) continuously increases from a section connected to the polymer block [A1]), and having a total content of the structural units derived from the methacrylic acid ester (A1) and the methacrylic acid ester (A2) of 5% to 60% by mass, a weight-average molecular weight (Mw) of 30,000 to 300,000, and a molecular weight distribution (Mw/Mn) of 1.0 to 1.5.
摘要翻译：提供了具有良好的热熔加工性和良好的保持力的丙烯酸类热熔粘合剂，适用于在低温下以高速进行涂布的热熔涂布方法，具有良好的透明性和耐候性良好，并且在低温下还具有良好的粘附性，以及适用于粘合剂的嵌段共聚物。制备的是含有具有至少一个由以下通式表示的结构的嵌段共聚物的粘合剂： - [A1] - [B / A2] - （式中，[A1]表示由结构单元衍生的聚合物嵌段来自甲基丙烯酸酯（A1）的[B / A2]表示由来自丙烯酸酯（B）的结构单元和来自甲基丙烯酸酯（A2）的结构单元构成的共聚物嵌段，共聚物嵌段 [B / A2]具有梯度共聚物嵌段部分，其中甲基丙烯酸酯（A2）的共聚比从与聚合物嵌段[A1]连接的部分连续增加），并且具有衍生自甲基丙烯酸酯（A1）和甲基丙烯酸酯（A2）为5〜60质量％，重均分子量（Mw）为30,000〜300,000，分子量分布（Mw / Mn）为1.0 到1.5。

7. 发明授权

EP2841520B1 ACRYLIC PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND PRESSURE-SENSITIVE ADHESIVE PRODUCTS 有权
公开(公告)号：EP2841520B1
公开(公告)日：2020-11-04
申请号：EP13780644.4
申请日：2013-04-24
申请人： Kuraray Co., Ltd.
发明人： NAKADA, Kanayo , MORISHITA, Yoshihiro , OSHITA, Shinya
IPC分类号： C09J7/38 , C08F297/02

8. 发明授权

EP2998375B1 ADHESIVE CONTAINING BLOCK COPOLYMER 有权
标题翻译：含粘合剂的嵌段共聚物
公开(公告)号：EP2998375B1
公开(公告)日：2017-08-02
申请号：EP14797937.1
申请日：2014-05-09
申请人： Kuraray Co., Ltd.
发明人： NAKADA, Kanayo , MORISHITA, Yoshihiro
IPC分类号： C09J153/00 , C08F297/02 , C08F4/52
CPC分类号： C09J153/00 , C08F4/52 , C08F293/005 , C08F297/026 , C08F220/14 , C08F2220/1825
摘要： Provided are an acrylic hot-melt adhesive that has both good hot-melt processability and good holding power, that is suitable for applications to a hot-melt coating method in which coating is performed at a low temperature at a high speed, that has good transparency and good weather resistance, and that further has good adhesiveness at low temperatures, and a block copolymer suitable for use in the adhesive. Prepared is an adhesive containing a block copolymer having at least one structure represented by a general formula: - [A1]-[B/A2]- (where, in the formula, [A1] represents a polymer block composed of a structural unit derived from a methacrylic acid ester (A1), [B/A2] represents a copolymer block composed of a structural unit derived from an acrylic acid ester (B) and a structural unit derived from a methacrylic acid ester (A2), and the copolymer block [B/A2] has a gradient copolymer block section in which a copolymerization ratio of the methacrylic acid ester (A2) continuously increases from a section connected to the polymer block [A1]), and having a total content of the structural units derived from the methacrylic acid ester (A1) and the methacrylic acid ester (A2) of 5% to 60% by mass, a weight-average molecular weight (Mw) of 30,000 to 300,000, and a molecular weight distribution (Mw/Mn) of 1.0 to 1.5.
摘要翻译：本发明提供兼具良好的热熔融加工性和良好的保持力的丙烯酸系热熔粘合剂，适用于低温高速涂布的热熔涂布方式，透明性和良好的耐候性，并且在低温下还具有良好的粘合性，以及适用于粘合剂的嵌段共聚物。制备含有具有至少一个由通式 - [A1] - [B / A2] - 表示的结构的嵌段共聚物的粘合剂（式中，[A1]代表由衍生的结构单元组成的聚合物嵌段从甲基丙烯酸酯（A1）中，[B / A2]表示由来自丙烯酸酯（B）的结构单元和来自甲基丙烯酸酯（A2）的结构单元构成的共聚物嵌段，共聚物嵌段 [B / A2]具有其中甲基丙烯酸酯（A2）的共聚比从与聚合物嵌段[A1]连接的部分连续增加的梯度共聚物嵌段部分），并且具有来自，甲基丙烯酸酯（A1）和甲基丙烯酸酯（A2）为5〜60质量％，重均分子量（Mw）为30,000〜300,000，分子量分布（Mw / Mn）为1.0 到1.5。

9. 发明公开

EP3061798A1 HOT MELT ADHESIVE COMPOSITION 有权
标题翻译：热熔粘合剂组合物
公开(公告)号：EP3061798A1
公开(公告)日：2016-08-31
申请号：EP14856492.5
申请日：2014-10-20
申请人： Kuraray Co., Ltd.
发明人： NAKADA, Kanayo , KAWAHARA, Moe , MORISHITA, Yoshihiro
IPC分类号： C09J153/00
CPC分类号： C09J153/00 , C08F297/026 , C09J7/22 , C09J7/35 , C09J133/06 , C09J2201/122 , C09J2201/61 , C09J2203/334 , C09J2453/00 , G09F3/10
摘要： Provided are an adhesive composition suitable for a hot-melt adhesive which has a low tack and which after adhering to an adherend and through heat treatment comes to have sufficient adhesive force; and an adhesive product using the adhesive composition. The hot-melt adhesive composition includes an acrylic block copolymer (I) having at least one polymer block (A) including methacrylic acid ester units and at least one polymer block (B) including acrylic acid ester units, wherein the acrylic acid ester units constituting the polymer block (B) contain an acrylic acid ester (1) represented by CH 2 =CH-COOR 1 (1) (wherein R 1 is an organic group having 1 to 3 carbon atoms) and an acrylic acid ester (2) represented by CH 2 =CH-COOR 2 (2) (wherein R 2 is an organic group having 4 to 12 carbon atoms), and a mass ratio (1) / (2) of the acrylic acid ester (1) to the acrylic acid ester (2) is 90/10 to 25/75.

10. 发明公开

EP3904479A1 LAMINATE HAVING STRUCTURE INCLUDING THROUGH-HOLE 无效
公开(公告)号：EP3904479A1
公开(公告)日：2021-11-03
申请号：EP19903580.9
申请日：2019-12-25
申请人： Kuraray Co., Ltd.
发明人： ONO, Tomohiro , NAKADA, Kanayo , AKAI, Makoto
IPC分类号： C09J7/38 , B32B27/00 , B32B27/30 , C09J7/35 , C09J153/00
摘要： A laminate is provided which includes a structural body including a base portion and a through hole and which can concurrently satisfy operability and stickiness during processes such as fitting, can be released with no or little adhesive residue, and also exhibits excellent adhesion to various adherends, especially metals. The laminate includes a substrate and a structural body disposed on the surface of at least one side of the substrate, the structural body including a base portion and a through hole. The base portion of the structural body includes an acrylic triblock copolymer (I) that includes two polymer blocks (A1) and (A2) each including methacrylic acid ester units and one polymer block (B) including acrylic acid ester units represented by the general formula CH 2 =CH-COOR 1 (1) (wherein R 1 denotes a C1-C3 organic group). The acrylic triblock copolymer (I) has an (A1)-(B)-(A2) block structure and a weight average molecular weight of 50,000 to 250,000. The total content of the polymer blocks (A1) and (A2) is not more than 35 mass% of the acrylic triblock copolymer (I).

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