公开(公告)号：US20110217542A1

公开(公告)日：2011-09-08

申请号：US12673921

申请日：2009-08-04

申请人： Yutaka Moroishi ,  Keisuke Hirano ,  Fumiko Nakano ,  Akiko Tanaka

发明人： Yutaka Moroishi ,  Keisuke Hirano ,  Fumiko Nakano ,  Akiko Tanaka

IPC分类号： C09J7/02 ,  C09J133/06 ,  C09J151/06 ,  C09J133/14 ,  B82Y30/00

CPC分类号： C09J133/06 ,  C08F265/04 ,  C08F265/06 ,  C08K3/08 ,  C08L51/003 ,  C08L2666/02 ,  C09J7/385 ,  C09J151/003 ,  Y10T428/25

摘要： There are provided a pressure-sensitive adhesive composition containing stably dispersed metal-based fine particles, having further reinforced mechanical properties, and being capable of forming a pressure-sensitive adhesive layer with excellent refractive index and excellent adhesive strength, and a pressure-sensitive adhesive sheet produced therewith. A pressure-sensitive adhesive composition is prepared which includes as a monomer component 100 parts by weight of a (meth)acrylic polymer including 50% by weight or more of a (meth)acrylate represented by the formula CH2═C(R1)COOR2, wherein R1 represents hydrogen or a methyl group, and R2 represents a substituted or unsubstituted alkyl group of 1 to 20 carbon atoms, having a weight average molecular weight of 500,000 to 3,000,000 as determined by gel permeation chromatography, and being substantially free of an acid component; 5 to 100 parts by weight of a low-molecular-weight aromatic polymer having a weight average molecular weight of 500 to 4,000 as determined by gel permeation chromatography; and 5 to 100 parts by weight of metal-based fine particles having an average particle size of 5 to 100 nm.

摘要翻译： 提供了含有稳定分散的金属微细颗粒的压敏粘合剂组合物，具有进一步增强的机械性能，并且能够形成具有优异的折射率和优异的粘合强度的压敏粘合剂层，以及压敏粘合剂 片材。 制备压敏粘合剂组合物，其包含作为单体组分100重量份的包含50重量％或更多的由式CH 2 = C（R 1）COOR 2表示的（甲基）丙烯酸酯的（甲基）丙烯酸类聚合物， 其中R1表示氢或甲基，R2表示取代或未取代的碳原子数1〜20的烷基，通过凝胶渗透色谱法测定的重均分子量为500,000〜3,000,000，并且基本上不含酸成分 ; 5〜100重量份通过凝胶渗透色谱法测定的重均分子量为500〜4000的低分子量芳族聚合物; 和5〜100重量份的平均粒径为5〜100nm的金属系微粒。

公开(公告)号：US20090022988A1

公开(公告)日：2009-01-22

申请号：US12203447

申请日：2008-09-03

申请人： Yuusuke Toyama ,  Masayuki Satake ,  Akiko Ogasawara ,  Yutaka Moroishi ,  Fumiko Nakano

发明人： Yuusuke Toyama ,  Masayuki Satake ,  Akiko Ogasawara ,  Yutaka Moroishi ,  Fumiko Nakano

IPC分类号： B32B7/12

CPC分类号： C09J175/04 ,  C08G18/289 ,  C08G18/6229 ,  C08G18/8022 ,  C08G2170/40 ,  C09J7/22 ,  C09J7/38 ,  C09J7/385 ,  C09J2433/00 ,  Y10T428/1059 ,  Y10T428/24438 ,  Y10T428/28 ,  Y10T428/2826 ,  Y10T428/2887 ,  Y10T428/3175 ,  Y10T428/31797 ,  Y10T428/31909 ,  Y10T428/31913 ,  Y10T428/3192 ,  Y10T442/2738

摘要： Provided herein is a pressure sensitive adhesive for an optical film comprising: 100 parts by weight of a (meth)acrylic-based polymer (A) including an alkyl (meth)acrylate (a1) and a (meth)acrylic-based monomer containing a hydroxyl group (a2), as a copolymerizable component, in content in the range of from 0.01 to 5 parts by weight relative to 100 parts by weight of the alkyl (meth)acrylate (a1); 0.02 to 2 parts by weight of a peroxide (B); and 0.001 to 2 parts by weight of an isocyanate-based compound (C), the contents of the peroxide (B) and the isocyanate-based compound (C) being values relative to 100 parts by weight of the (meth)acrylic-based polymer (A).

摘要翻译： 本发明提供一种用于光学膜的压敏粘合剂，其包括：100重量份包含（甲基）丙烯酸烷基酯（a1）的（甲基）丙烯酸类聚合物（A）和（甲基）丙烯酸系单体，其包含 相对于100重量份的（甲基）丙烯酸烷基酯（a1），作为可共聚成分的羟基（a2）的含量范围为0.01〜5重量份。 0.02〜2重量份过氧化物（B）; 和0.001〜2重量份的异氰酸酯系化合物（C），过氧化物（B）和异氰酸酯系化合物（C）的含量相对于（甲基）丙烯酸系化合物（C）的100重量份 聚合物（A）。

公开(公告)号：US07385007B2

公开(公告)日：2008-06-10

申请号：US10913992

申请日：2004-08-06

申请人： Yutaka Moroishi ,  Fumiko Nakano ,  Tetsuo Inoue ,  Yoshihide Kawaguchi ,  Kohei Yano

发明人： Yutaka Moroishi ,  Fumiko Nakano ,  Tetsuo Inoue ,  Yoshihide Kawaguchi ,  Kohei Yano

IPC分类号： C09J133/00 ,  C09J133/02 ,  C09J133/08 ,  C09J133/10 ,  C09J11/08

CPC分类号： C09J133/02 ,  C08K5/5435 ,  C08L33/02 ,  C08L33/14 ,  C08L2205/02 ,  C08L2312/00 ,  C08L2666/04 ,  C09J133/14 ,  G02F2202/28 ,  Y10T428/2891

摘要： The present invention provides a pressure sensitive adhesive composition for optical members, which is excellent in durability, re-releasability and stress relaxation, as well as a pressure sensitive adhesive composition for optical members, which hardly increases adhesion after storage for a long time and does not leave a residual adhesive on glass upon disposal or repair. The pressure sensitive adhesive composition for optical members according to the present invention comprises 100 parts by weight of an acrylic polymer (A) having a weight-average molecular weight of 500,000 or more, containing at least 50 wt % alkyl (meth)acrylate having an alkyl group with 5 or more carbon atoms and 0.2 to 2 wt % unsaturated carboxylic acid as the monomer unit, 0.1 to 4 parts by weight of an acrylic polymer (B) having a weight-average molecular weight of 2,000 to 50,000, containing at least 70 wt % alkyl(meth)acrylate and 1 to 7 wt % unsaturated carboxylic acid as the monomer unit and having a higher carboxylic acid equivalent than that of the acrylic polymer (A), 0.01 to 1 part by weight of a silane coupling agent, and a crosslinking agent.

摘要翻译： 本发明提供了一种光学部件用耐光性，再剥离性，应力松弛性优异的粘合剂组合物以及光学部件用粘合剂组合物，其长时间保存后几乎不增加粘着性， 处理或修理时，不要留下玻璃上的残留粘合剂。 本发明的光学部件用压敏粘合剂组合物包含100重量份的重均分子量为500,000以上的丙烯酸类聚合物（A），其含有至少50重量％的（甲基）丙烯酸烷基酯，其具有 具有5个或更多个碳原子的烷基和0.2至2重量％的不饱和羧酸作为单体单元，0.1至4重量份的重均分子量为2,000至50,000的丙烯酸类聚合物（B），至少包含 70重量％的（甲基）丙烯酸烷基酯和1至7重量％的不饱和羧酸作为单体单元并且具有比丙烯酸类聚合物（A）更高的羧酸当量，0.01至1重量份的硅烷偶联剂， 和交联剂。

公开(公告)号：US06646107B2

公开(公告)日：2003-11-11

申请号：US09799500

申请日：2001-03-07

申请人： Yutaka Moroishi ,  Michiharu Yamamoto ,  Tetsuo Inoue ,  Tomoko Doi ,  Masakazu Sugimoto ,  Fumiko Nakano

发明人： Yutaka Moroishi ,  Michiharu Yamamoto ,  Tetsuo Inoue ,  Tomoko Doi ,  Masakazu Sugimoto ,  Fumiko Nakano

IPC分类号： C08F600

CPC分类号： C09D153/02 ,  C08F6/02 ,  C08F293/00 ,  C08F293/005 ,  C08F2438/01 ,  C08L53/02 ,  C08L2666/02 ,  C09J153/00 ,  C09J153/02 ,  C08L53/00

摘要： The object of the present invention is to produce a polymer, which is free from the troubles of the coloration and the decrease in the mechanical properties of molded articles (films, etc.), crosslinkage failure, migration (stain) or the like, by the living radical polymerization method wherein the content of impurities consisting of a transition metal and its ligand employed as a polymerization activator is reduced. A process for producing a polymer is described, comprising: a) the step of performing a polymerization reaction by using a monomer, a transition metal and its ligand and a polymerization initiator to form a polymer; and b) the step of eliminating the transition metal and its ligand contained in the polymer under the condition of a viscosity of 100 Pa·s or below, wherein the step b comprises: b1) the former step of eliminating the transition metal and its ligand insoluble in the polymer; and b2) the latter step of eliminating the transition metal and its ligand dissolved in the polymer.

摘要翻译： 本发明的目的是制备聚合物，其不会由于成型品（膜等）的机械性能的着色和机械性能的降低，交联失效，迁移（污渍）等的不利影响而被 其中由过渡金属及其配体用作聚合活化剂的杂质含量降低的活性自由基聚合方法。 描述了一种制备聚合物的方法，包括：a）通过使用单体，过渡金属及其配体和聚合引发剂进行聚合反应以形成聚合物的步骤; 和b）在粘度为100Pa·s或更低的条件下消除聚合物中所含的过渡金属及其配体的步骤，其中步骤b包括：b1）除去过渡金属及其配体的前一步骤 不溶于聚合物; 和b2）消除过渡金属及其配体溶解在聚合物中的后一步骤。

公开(公告)号：US08685204B2

公开(公告)日：2014-04-01

申请号：US12864047

申请日：2009-01-20

申请人： Fumiko Nakano ,  Yutaka Moroishi ,  Aimi Matsuura ,  Toshitsugu Hosokawa ,  Akiko Tanaka

发明人： Fumiko Nakano ,  Yutaka Moroishi ,  Aimi Matsuura ,  Toshitsugu Hosokawa ,  Akiko Tanaka

IPC分类号： B32B38/10

CPC分类号： C09J5/06 ,  C08F2220/1825 ,  C08K5/14 ,  C08L33/08 ,  C09J7/385 ,  C09J133/08 ,  C09J2201/606 ,  C09J2205/302 ,  G02F1/1335 ,  G02F2202/28 ,  Y10T156/1126 ,  Y10T156/1153 ,  Y10T156/1911 ,  Y10T428/28 ,  C08F220/06 ,  C08F2220/281

摘要： An object of the invention is to provide a pressure-sensitive adhesive optical film-peeling method capable of easily detaching the pressure-sensitive adhesive optical film from a glass substrate with no damage to the glass substrate or no adhesive deposit on the glass substrate, and to provide a pressure-sensitive adhesive optical film suitable for use in such a peeling method. The invention is directed to a method for peeling a pressure-sensitive adhesive optical film from an optical film-carrying glass substrate including a glass substrate and the pressure-sensitive adhesive optical film bonded thereto, which includes: exposing the optical film-carrying glass substrate to an environment at a temperature of 40 to 98° C. and a relative humidity of 60 to 99% for three minutes or more; and then peeling the pressure-sensitive adhesive optical film from the glass substrate under the environment.

摘要翻译： 本发明的目的是提供一种能够容易地从玻璃基板上分离玻璃基板的粘合型光学膜剥离方法，而不会损伤玻璃基板，也可以不在玻璃基板上粘合， 以提供适合用于这种剥离方法的压敏粘合剂光学膜。 本发明涉及一种剥离由粘合有玻璃基板和粘合型光学膜的玻璃基板的带光学薄膜玻璃基板的粘合型光学薄膜的方法，该方法包括：将带光学薄膜的玻璃基板 温度为40〜98℃，相对湿度为60〜99％的环境3分钟以上; 然后在环境下从玻璃基板剥离压敏粘合剂光学膜。

公开(公告)号：US20120094119A1

公开(公告)日：2012-04-19

申请号：US13375007

申请日：2010-04-28

申请人： Shigeru Fujita ,  Yutaka Moroishi ,  Fumiko Nakano

发明人： Shigeru Fujita ,  Yutaka Moroishi ,  Fumiko Nakano

IPC分类号： C09J7/02 ,  C09J171/00 ,  C09J11/06 ,  C09J151/06 ,  C09J163/00

CPC分类号： C09J7/021 ,  C08F265/06 ,  C09J4/06 ,  C09J7/381 ,  C09J151/003 ,  C09J2451/00 ,  Y10T428/2891 ,  C08F220/32

摘要： A photocurable pressure-sensitive adhesive composition, a photocurable pressure-sensitive adhesive layer, and a photocurable pressure-sensitive adhesive sheet including a support and such a photocurable pressure-sensitive adhesive layer formed on at least one side of the support are provided. The photocurable pressure-sensitive adhesive composition can form an adhesive layer that has sufficient initial adhesive strength through the process of drying and cross-linking without having any adhesive protruding at normal temperatures and pressures, hardens easily with light irradiation, and has a high peeling resistance. The photocurable adhesive composition contains a graft polymer that graft-polymerizes a monomer containing a cyclic ether group to a (meth)acrylic polymer and a cationic photopolymerization initiator. The photocurable adhesive layer and the photocurable adhesive sheet are prepared by using said photocurable adhesive composition.

摘要翻译： 提供了一种可光固化的压敏粘合剂组合物，光固化压敏粘合剂层和包含支撑体的光固化性粘合片和形成在载体的至少一侧上的这种光固化性粘合剂层。 光固化性粘合剂组合物可以通过干燥和交联的方法形成具有足够的初始粘合强度的粘合剂层，而不会在常温常压下突出任何粘合剂，并且在光照射下容易硬化，并具有高抗剥离性 。 光固化性粘合剂组合物含有将含有环状醚基的单体与（甲基）丙烯酸系聚合物和阳离子性光聚合引发剂接枝聚合的接枝聚合物。 通过使用所述可光固化粘合剂组合物制备光固化粘合剂层和光固化粘合片。

公开(公告)号：US20090042004A1

公开(公告)日：2009-02-12

申请号：US12090159

申请日：2006-10-17

申请人： Kohei Yano ,  Shinichi Inoue ,  Masayuki Satake ,  Yutaka Moroishi ,  Fumiko Nakano

发明人： Kohei Yano ,  Shinichi Inoue ,  Masayuki Satake ,  Yutaka Moroishi ,  Fumiko Nakano

IPC分类号： B32B27/36 ,  B05D3/00 ,  B05D5/06 ,  C08F8/30

CPC分类号： C09J135/02 ,  C08G18/6229 ,  C08G18/6283 ,  C08G18/7843 ,  C08G2170/40 ,  C09J133/06 ,  C09J133/24 ,  C09J175/04 ,  G02B5/3025 ,  G02B5/3083 ,  G02F2202/28 ,  Y10T428/28 ,  Y10T428/2891

摘要： This invention provides a pressure-sensitive adhesive composition that exhibits excellent pressure-sensitive adhesive properties after crosslinking treatment, does not cause lifting or lifting upon heat treatment or treatment under high-humidity conditions particularly even in the case of a pressure-sensitive adhesive layer having a reduced layer thickness, and has excellent durability. A pressure-sensitive adhesive layer formed using the pressure-sensitive adhesive composition, and a process for producing the same are also provided. Further, an optical member with pressure-sensitive adhesive comprising the pressure-sensitive adhesive layer and an image display using the same are provided. The pressure-sensitive adhesive composition is characterized by comprising 100 parts by weight of an (meth)acrylic polymer and 0.02 to 2 parts by weight of a peroxide, and 0.02 to 2 parts by weight of an isocyanate crosslinking agent, the (meth)acrylic polymer comprising as monomer units 50 to 98% by weight of an (meth)acrylic monomer represented by general formula CH2═C(R1)COOR2, wherein R1 represents hydrogen or a methyl group and R2 represents an alkyl group having 2 to 14 carbon atoms, and 0.1 to 35% by weight of a nitrogen-containing monomer.

摘要翻译： 本发明提供了一种在交联处理后表现出优异的压敏粘合剂性能的粘合剂组合物，即使在压敏粘合剂层的情况下，在高湿度条件下也不引起提升或提升， 降低层厚度，并且具有优异的耐久性。 还提供了使用该压敏粘合剂组合物形成的压敏粘合剂层及其制造方法。 此外，提供了包含压敏粘合剂层的压敏粘合剂的光学部件和使用其的图像显示器。 该压敏粘合剂组合物的特征在于包含100重量份的（甲基）丙烯酸类聚合物和0.02-2重量份的过氧化物，和0.02-2重量份的异氰酸酯交联剂，（甲基）丙烯酸 包含作为单体单元的聚合物50至98重量％的由通式CH 2 -C（R 1）COOR 2表示的（甲基）丙烯酸单体，其中R 1表示氢或甲基，R 2表示具有2至14个碳原子的烷基 ，和0.1〜35重量％的含氮单体。

公开(公告)号：US20090023869A1

公开(公告)日：2009-01-22

申请号：US11814775

申请日：2006-01-10

申请人： Fumiaki Shirafuji ,  Masayuki Satake ,  Kohei Yano ,  Yutaka Moroishi ,  Fumiko Nakano

发明人： Fumiaki Shirafuji ,  Masayuki Satake ,  Kohei Yano ,  Yutaka Moroishi ,  Fumiko Nakano

IPC分类号： C08G63/00 ,  C08F20/40

CPC分类号： C09J133/04

摘要： An object of the present invention is to provide a pressure sensitive adhesive composition for an optical member, which is excellent in coating property because of low viscosity, can reduce an amount of an organic solvent used, and can form a pressure sensitive adhesive layer excellent in durability and having high surface uniformity. The present invention relates to a pressure sensitive adhesive composition for an optical member, which comprises a (meth)acrylic polymer, a C6 to C9 hydrocarbon-based solvent (A), and a high-boiling highly solubilizing solvent (B) having a boiling point higher than that of the above hydrocarbon-based solvent and having a higher ability to solubilize the (meth)acrylic polymer than that of the above hydrocarbon-based solvent, wherein a content of the hydrocarbon-based solvent (A) is 20 to 60 wt % based on the total amount of the solvents, and a ratio of the content (wt %) of the hydrocarbon-based solvent (A) to the content (wt %) of the high-boiling highly solubilizing solvent (B) (high-boiling highly solubilizing solvent (B)/hydrocarbon-based solvent (A)) is 0.05 to 4.

摘要翻译： 本发明的目的是提供一种用于光学部件的粘合剂组合物，由于粘度低而具有优异的涂布性能，可以减少所用的有机溶剂的量，并且可以形成优异的压敏粘合剂层 耐久性好，表面均匀性好。 本发明涉及一种用于光学部件的压敏粘合剂组合物，其包含（甲基）丙烯酸类聚合物，C6〜C9烃类溶剂（A）和具有沸点的高沸点高溶解性溶剂（B） 比上述烃基溶剂高，并且与上述烃类溶剂相比，具有较高的（甲基）丙烯酸类聚合物的溶解能力，其中烃系溶剂（A）的含量为20〜60 （A）的含量（重量％）与高沸点高增溶溶剂（B）的含量（重量％）的比例（重量％）（高） 沸腾高溶解性溶剂（B）/烃系溶剂（A））为0.05〜4。

公开(公告)号：US20080213585A1

公开(公告)日：2008-09-04

申请号：US12108911

申请日：2008-04-24

申请人： Yutaka Moroishi ,  Fumiko Nakano ,  Tetsuo Inoue ,  Yoshihide Kawaguchi ,  Kohei Yano

发明人： Yutaka Moroishi ,  Fumiko Nakano ,  Tetsuo Inoue ,  Yoshihide Kawaguchi ,  Kohei Yano

IPC分类号： C08F263/00 ,  B32B7/12

CPC分类号： C09J133/02 ,  C08K5/5435 ,  C08L33/02 ,  C08L33/14 ,  C08L2205/02 ,  C08L2312/00 ,  C08L2666/04 ,  C09J133/14 ,  G02F2202/28 ,  Y10T428/2891

摘要： Provided are a pressure sensitive adhesive composition for optical members and a pressure sensitive adhesive composition for optical members. The pressure sensitive adhesive composition for optical members according to the present invention comprises 100 parts by weight of an acrylic polymer (A) having a weight-average molecular weight of 500,000 or more, containing at least 50 wt % alkyl (meth)acrylate having an alkyl group with 5 or more carbon atoms and 0.2 to 2 wt % unsaturated carboxylic acid as the monomer unit, 0.1 to 4 parts by weight of an acrylic polymer (B) having a weight-average molecular weight of 2,000 to 50,000, containing at least 70 wt % alkyl (meth)acrylate and 1 to 7 wt % unsaturated carboxylic acid as the monomer unit and having a higher carboxylic acid equivalent than that of the acrylic polymer (A), 0.01 to 1 part by weight of a silane coupling agent, and a crosslinking agent.

摘要翻译： 提供了一种用于光学部件的压敏粘合剂组合物和用于光学部件的压敏粘合剂组合物。 本发明的光学部件用压敏粘合剂组合物包含100重量份的重均分子量为500,000以上的丙烯酸类聚合物（A），其含有至少50重量％的（甲基）丙烯酸烷基酯，其具有 具有5个或更多个碳原子的烷基和0.2至2重量％的不饱和羧酸作为单体单元，0.1至4重量份的重均分子量为2,000至50,000的丙烯酸类聚合物（B），至少包含 70重量％的（甲基）丙烯酸烷基酯和1至7重量％的不饱和羧酸作为单体单元并且具有比丙烯酸类聚合物（A）更高的羧酸当量，0.01至1重量份的硅烷偶联剂， 和交联剂。

公开(公告)号：US20050014879A1

公开(公告)日：2005-01-20

申请号：US10913992

申请日：2004-08-06

申请人： Yutaka Moroishi ,  Fumiko Nakano ,  Tetsuo Inoue ,  Yoshihide Kawaguchi ,  Kohei Yano

发明人： Yutaka Moroishi ,  Fumiko Nakano ,  Tetsuo Inoue ,  Yoshihide Kawaguchi ,  Kohei Yano

IPC分类号： G02F1/1335 ,  C08K5/24 ,  C08K5/5435 ,  C08L33/02 ,  C08L33/14 ,  C09J7/02 ,  C09J133/00 ,  C09J133/02 ,  C09J133/08 ,  C09J133/14 ,  C09J201/00 ,  G02B5/30 ,  G02F1/13363 ,  G09F9/00 ,  H01L51/50 ,  H05B33/14

CPC分类号： C09J133/02 ,  C08K5/5435 ,  C08L33/02 ,  C08L33/14 ,  C08L2205/02 ,  C08L2312/00 ,  C08L2666/04 ,  C09J133/14 ,  G02F2202/28 ,  Y10T428/2891

摘要： The present invention provides a pressure sensitive adhesive composition for optical members, which is excellent in durability, re-releasability and stress relaxation, as well as a pressure sensitive adhesive composition for optical members, which hardly increases adhesion after storage for a long time and does not leave a residual adhesive on glass upon disposal or repair. The pressure sensitive adhesive composition for optical members according to the present invention comprises 100 parts by weight of an acrylic polymer (A) having a weight-average molecular weight of 500,000 or more, containing at least 50 wt % alkyl (meth)acrylate having an alkyl group with 5 or more carbon atoms and 0.2 to 2 wt % unsaturated carboxylic acid as the monomer unit, 0.1 to 4 parts by weight of an acrylic polymer (B) having a weight-average molecular weight of 2,000 to 50,000, containing at least 70 wt % alkyl(meth)acrylate and 1 to 7 wt % unsaturated carboxylic acid as the monomer unit and having a higher carboxylic acid equivalent than that of the acrylic polymer (A), 0.01 to 1 part by weight of a silane coupling agent, and a crosslinking agent.

摘要翻译： 本发明提供了一种光学部件用耐光性，再剥离性，应力松弛性优异的粘合剂组合物以及光学部件用粘合剂组合物，其长时间保存后几乎不增加粘着性， 处理或修理时，不要留下玻璃上的残留粘合剂。 本发明的光学部件用压敏粘合剂组合物包含100重量份的重均分子量为500,000以上的丙烯酸类聚合物（A），其含有至少50重量％的（甲基）丙烯酸烷基酯，其具有 具有5个或更多个碳原子的烷基和0.2至2重量％的不饱和羧酸作为单体单元，0.1至4重量份的重均分子量为2,000至50,000的丙烯酸类聚合物（B），至少包含 70重量％的（甲基）丙烯酸烷基酯和1至7重量％的不饱和羧酸作为单体单元并且具有比丙烯酸类聚合物（A）更高的羧酸当量，0.01至1重量份的硅烷偶联剂， 和交联剂。