会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 2. 发明公开
    • BLOCK COPOLYMER COMPOSITION AND ADHESIVE COMPOSITION
    • BLOCKCOPOLYMERZUSAMMENSETZUNG UND HAFTZUSAMMENSETZUNG
    • EP3098242A1
    • 2016-11-30
    • EP15740711.5
    • 2015-01-22
    • ASAHI KASEI KABUSHIKI KAISHAJapan Elastomer Co., Ltd.
    • HISASUE, TakahiroNAKAJIMA, ShigeoARAKI, YoshifumiNAKAMICHI, Yukinori
    • C08C19/25C08F297/04C08L53/02C09J11/06C09J11/08C09J153/02
    • C08L53/02C08F297/044C08L91/00C08L2205/025C09J7/387C09J153/02
    • A block copolymer composition including:
      10% by mass or more and 90% by mass or less of a component (a), and 10% by mass or more and 90% by mass or less of a component (b), wherein
      the component (a) is a block copolymer containing a polymer block (A) primarily including a vinyl aromatic monomer unit and a polymer block (B) primarily including a conjugated diene monomer unit, wherein the block copolymer has a weight average molecular weight of 30,000 or higher and 150,000 or lower;
      the component (b) is a block copolymer containing a polymer block (A) primarily including a vinyl aromatic monomer unit and a polymer block (B) primarily including a conjugated diene monomer unit;
      the component (b) includes a component (b-2) at a ratio of weight average molecular weight to the weight average molecular weight of the component (a) of 2.5 or more and less than 3.4, and a component (b-3) at a ratio of weight average molecular weight to the weight average molecular weight of the component (a) of 3.4 or more and less than 4.5; and
      the content of the vinyl aromatic monomer unit in the component (a) and the component (b) is 10 to 50% by mass based on the total amount of the component (a) and the component (b).
    • 一种嵌段共聚物组合物,其含有10质量%以上且90质量%以下的成分(a),10质量%以上且90质量%以下的成分(b),其中,所述成分 (a)是含有主要包含乙烯基芳族单体单元的聚合物嵌段(A)和主要包含共轭二烯单体单元的聚合物嵌段(B)的嵌段共聚物,其中嵌段共聚物的重均分子量为30,000或更高 和15万以下; 组分(b)是包含主要包含乙烯基芳族单体单元的聚合物嵌段(A)和主要包含共轭二烯单体单元的聚合物嵌段(B)的嵌段共聚物; 组分(b)包括组分(a)的重均分子量与组分(a)的重均分子量的重量比为2.5以上且小于3.4的成分(b-2),成分(b-3) (a)的重均分子量为3.4以上且小于4.5的重均分子量的比例; 组分(a)和组分(b)中的乙烯基芳族单体单元的含量相对于组分(a)和组分(b)的总量为10至50质量%。
    • 4. 发明公开
    • BLOCK COPOLYMER AND COMPOSITION CONTAINING THE COPOLYMER
    • 嵌段共聚物和含有共聚物的组合物
    • EP1225190A1
    • 2002-07-24
    • EP01926155.1
    • 2001-05-08
    • Asahi Kasei Kabushiki Kaisha
    • SASAGAWA, MasahiroTAKAYAMA, ShigekiNAKAJIMA, Shigeo
    • C08F297/06C08L53/02C08L23/00
    • C09J123/02C08F8/04C08F297/04C08L23/02C08L23/06C08L23/10C08L53/02C08L53/025C08L2666/04C08L2666/24C09J153/025
    • An object of the present invention is to provide a block copolymer having the excellent improving characteristics. Specifically, the block copolymer is a hydrogenated block copolymer capable of obtaining a molded product-, as a polyolefin based resin composition, having excellent physical property balance between impact resistance, in particular, low temperature impact resistance and rigidity, and molding processability, and further, capable of providing, as a viscous adhesive composition, a composition having an excellent balance between adhesion characteristics such as adhesive power and retentivity, and having excellent melt viscosity stability under heating at a high temperature.
      The block copolymer is a hydrogenation product of a block copolymer having at least one polymer block mainly comprising a vinyl aromatic hydrocarbon and at least one polymer block mainly comprising a conjugate diene compound, and having a vinyl bonding amount V (%) based on the conjugate diene compound of from not less than 37% to less than 70%,
         wherein (a) the total hydrogenation ratio H (%) of the unsaturated double bond based on the conjugate diene compound satisfies the following relational formulae: V 50 ≤ H    wherein (b) the hydrogenation ratio of the vinyl bond is 82% or more.
    • 本发明的目的是提供具有优异改进特性的嵌段共聚物。 具体而言,所述嵌段共聚物是能够获得模塑制品的氢化嵌段共聚物 - 作为聚烯烃基树脂组合物,其在耐冲击性,特别是低温冲击强度和刚性与模塑加工性之间具有优异的物理性能平衡,并且进一步 作为粘性粘合剂组合物,能够提供粘合力和保持力等粘合特性与高温加热时的熔融粘度稳定性优异的组合物的组合物。 所述嵌段共聚物是嵌段共聚物的氢化产物,所述嵌段共聚物具有至少一个主要包含乙烯基芳香烃的聚合物嵌段和至少一个主要包含共轭二烯化合物的聚合物嵌段并且具有基于所述共轭物的乙烯基键合量V(%) 其中(a)基于共轭二烯化合物的不饱和双键的总氢化率H(%)满足以下关系式:V