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    • 3. 发明授权
    • Thermoplastic polymer composition having a thermoplastic elastic polymer
and a block copolymer
    • 具有热塑性弹性聚合物和嵌段共聚物的热塑性聚合物组合物
    • US6096435A
    • 2000-08-01
    • US35873
    • 1998-03-06
    • Kazuhiko MaekawaMasanari UnoAtsushi ItohHiroshi HayashiharaKazushige IshiuraShigeru KawaharaShiroh Kishii
    • Kazuhiko MaekawaMasanari UnoAtsushi ItohHiroshi HayashiharaKazushige IshiuraShigeru KawaharaShiroh Kishii
    • B32B27/30C08L23/02C08L53/02C09J153/02B23B27/08C08L31/02C08L53/00B23B27/30
    • C08L23/02C08L53/02C08L53/025
    • A thermoplastic polymer composition is provided that includes 100 parts by weight of a block copolymer and/or its hydrogenate having polymer blocks of an aromatic vinyl compound and polymer blocks of a conjugated diene compound, and from 5 to 95 parts by weight of a block copolymer having polymer blocks of an aromatic vinyl compound and/or an olefinic compound and polymer blocks having a constitutional unit derived from a (meth) acrylic compound, a laminate containing a layer of the composition, and a hot-melt adhesive that includes the composition. Because it has good melt adhesiveness, the composition of the invention can firmly adhere in melt to various polar or non-polar materials. Using the composition, it is easy to produce laminates having a layer of the composition and a layer of some other material, through melt shaping or any other melt adhesion techniques. Since the composition of the invention is satisfactorily elastic and flexible, the laminates having a layer of the composition on their surface are flexible and elastic and have a good feel, and, in addition, they are safe because of their shock absorbability and cushionability.
    • 提供一种热塑性聚合物组合物,其包含100重量份的嵌段共聚物和/或其具有芳族乙烯基化合物的聚合物嵌段和共轭二烯化合物的聚合物嵌段的氢化物和5至95重量份的嵌段共聚物 具有芳族乙烯基化合物和/或烯烃化合物的聚合物嵌段和具有衍生自(甲基)丙烯酸类化合物的结构单元的聚合物嵌段,含有该组合物的层的层压体和包含该组合物的热熔性粘合剂。 因为具有良好的熔融粘合性,所以本发明的组合物可以熔融地牢固地粘附到各种极性或非极性材料中。 使用该组合物,通过熔融成型或任何其它熔融粘附技术,易于制备具有组合物层和一些其它材料层的层压体。 由于本发明的组合物具有令人满意的弹性和柔性,所以在其表面上具有组合物层的层压体是柔性和弹性的并且具有良好的手感,并且由于它们的冲击吸收性和缓冲性,它们是安全的。
    • 9. 发明申请
    • PRESSURE-SENSITIVE ADHESIVE FOR OPTICAL FILMS
    • 用于光学膜的压敏粘合剂
    • US20090305068A1
    • 2009-12-10
    • US12312916
    • 2007-11-26
    • Yoshihiro MorishitaKenichi HamadaTetsuya KunimuneKazushige Ishiura
    • Yoshihiro MorishitaKenichi HamadaTetsuya KunimuneKazushige Ishiura
    • C09J7/00C09J153/00
    • C09J153/00C08L53/00C08L2205/02C08L2666/24C09J9/02Y10T428/2891Y10T428/31797
    • Pressure-sensitive adhesives for optical films exhibit high cohesion, excellent re-workability, adhesion properties, heat resistance and durability without chemical crosslinking.A pressure-sensitive adhesive contains an acrylic triblock copolymer (I) at not less than 60% by mass based on the total mass of all solids contained in the pressure-sensitive adhesive, the acrylic triblock copolymer being represented by the formula A1-B-A2 wherein: A1 and A2 are each independently an alkyl methacrylate polymer block having Tg of not less than 100° C. and B is an acryl acrylate polymer block having Tg of not more than −20° C.; the content of the polymer block B is 50 to 95% by mass; Mw is in the range of 50,000 to 300,000; and the molecular weight distribution is in the range of 1.0 to 1.5. In a preferred embodiment, the acrylic triblock copolymer (I) is a combination of an acrylic triblock copolymer (Ia) having Mw of 50,000 to less than 100,000 and an acrylic triblock copolymer (Ib) having Mw of 100,000 to 300,000, in a mass ratio (Ia):(Ib) of 45:55 to 75:25.
    • 用于光学膜的压敏粘合剂表现出高的内聚力,优异的再加工性,粘附性,耐热性和耐化学交联的耐久性。 相对于压敏粘合剂中含有的全部固体的总质量,压敏粘合剂含有丙烯酸系三嵌段共聚物(I)为不低于60质量%,丙烯酸系三嵌段共聚物由式A1-B- A2其中:A1和A2各自独立地是Tg不低于100℃的甲基丙烯酸烷基酯聚合物嵌段,B是Tg不超过-20℃的丙烯酸丙烯酸酯聚合物嵌段; 聚合物嵌段B的含量为50〜95质量%。 Mw在50,000至300,000的范围内; 分子量分布在1.0〜1.5的范围内。 在优选的实施方案中,丙烯酸类三嵌段共聚物(I)是Mw为50,000〜小于100,000的丙烯酸三嵌段共聚物(Ia)和Mw为100,000〜300,000的丙烯酸系三嵌段共聚物(Ib)的组合,质量比 (Ia):( Ib)为45:55〜75:25。