2.
    发明专利
    未知

    公开(公告)号:DE4317655A1

    公开(公告)日:1994-12-01

    申请号:DE4317655

    申请日:1993-05-27

    Applicant: BASF AG

    Abstract: PCT No. PCT/EP94/01591 Sec. 371 Date Nov. 9, 1995 Sec. 102(e) Date Nov. 9, 1995 PCT Filed May 17, 1994 PCT Pub. No. WO94/28042 PCT Pub. Date Dec. 8, 1994Multiphase block copolymers of propylene comprising a) a polymer of propylene with from 0 to 5% by weight of further C2-C10 1-alkenes, b) a copolymer of propylene with from 5 to 98% by weight of further C2-C10 1-alkenes, the multiphase block copolymers having a melting point of less than 155 DEG C. and a stiffness (shear modulus G) conforming to the following condition (I): (I) where Ma) denotes the amount of propylene polymer a) and Mco denotes the amount of the multiphase block copolymer. are obtainable in particular by polymerization by means of metallocene-containing catalyst systems.\!

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