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    • 9. 发明公开
    • 블록 공중합체 조성물
    • 嵌段共聚物组合物
    • KR1020060038949A
    • 2006-05-04
    • KR1020057024774
    • 2004-07-28
    • 덴카 주식회사
    • 와타나베준구리무라히로유키스즈키시게루오다다케시시미즈노리히로
    • C08L53/02
    • C08F299/022C08G81/022C08L53/02C08L2666/02
    • A block copolymer composition which is excellent in the balance between transparency and impact resistance and is improved particularly in the impact resistance of products of high-shear injection by inhibiting the products from becoming anisotropic. A block copolymer composition obtained by blending two block copolymers which are each composed of a hard segment block part consisting of a block made mainly from a vinyl aromatic hydrocarbon and a soft segment block part consisting of a block made mainly from a conjugated diene and which are specified in the structure of the hard segment block part. The molded articles made from the composition by not only extrusion or blow molding but also injection are remarkably improved in impact resistance without lowering the transparency.
    • 在透明性和耐冲击性之间的平衡方面优异的嵌段共聚物组合物,特别是通过抑制产品变成各向异性而使高剪切注入产物的耐冲击性得到改善。 通过共混两种嵌段共聚物获得的嵌段共聚物组合物,它们均由由主要由乙烯基芳族烃形成的嵌段组成的硬链段嵌段部分和由主要由共轭二烯制成的嵌段组成的软链段嵌段部分组成, 在硬段块部分的结构中指定。 由组合物制成的模制品不仅通过挤出或吹塑而且注射,而且在不降低透明性的情况下,耐冲击性显着提高。
    • 10. 发明公开
    • 분지상 블록 공중합체를 함유하는 블록 공중합체 혼합물
    • 包含星形嵌段共聚物的嵌段共聚物混合物
    • KR1020050110025A
    • 2005-11-22
    • KR1020057017478
    • 2004-03-19
    • 덴카 주식회사
    • 구리무라히로유키와타나베준오오츠카다케시스즈키시게루오다다케시시미즈노리히로
    • C08F297/04C08F8/00
    • C08F297/04C08F297/044C08L25/04C08L53/02C08L2666/04
    • A block copolymer mixture containing a star-branched block copolymer which mixture is excellent in the balance between transparency and impact resistance and can give molded articles which do not suffer from anisotropy and therefore exhibit improved impact resistance even when the articles are produced by injection molding under high shearing. A block copolymer mixture containing a star-branched block copolymer which mixture contains three kinds of vinyl aromatic hydrocarbon polymer blocks (S1, S2 and S3) different in molecular weight, characterized in that the molecular weight distribution of the mixture of the blocks S1, S2 and S3 falls within a specific range and that in the gel permeation chromatogram of the mixture of the blocks S1, S2 and S3, M1/M3 and M2/M3 fall within specific ranges wherein M1, M2 and M3 are the peak-top molecular weights of the blocks S1, S2 and S3 respectively.
    • 含有星形支链嵌段共聚物的嵌段共聚物混合物,该混合物在透明性和抗冲击性之间的平衡方面是优异的,并且可以得到不具有各向异性的模塑制品,因此即使当通过注射成型制造制品时也显示出改进的抗冲击性 高剪切。 含有星形支链嵌段共聚物的嵌段共聚物混合物,该混合物含有分子量不同的三种乙烯基芳烃聚合物嵌段(S1,S2和S3),其特征在于嵌段S1,S2的混合物的分子量分布 S3落在特定范围内,并且在块S1,S2和S3的混合物的凝胶渗透色谱图中,M1 / M3和M2 / M3落在特定范围内,其中M1,M2和M3是峰顶分子量 分别为块S1,S2和S3。