18.
    发明专利
    未知

    公开(公告)号:DE59501857D1

    公开(公告)日:1998-05-14

    申请号:DE59501857

    申请日:1995-06-03

    Applicant: BASF AG

    Abstract: PCT No. PCT/EP95/02110 Sec. 371 Date Dec. 4, 1996 Sec. 102(e) Date Dec. 4, 1996 PCT Filed Jun. 3, 1995 PCT Pub. No. WO95/33793 PCT Pub. Date Dec. 14, 1995Transparent molded articles having a high-contrast laser inscription thereon are produced from a polymer mixture consisting of A) from 40 to 99% by weight of a polymer of an alkyl ester of (meth)acrylic acid, B) from 1 to 50% by weight of a copolymer of styrene and acrylonitrile having an acrylonitrile content of from 8 to 30% by weight, C) from 0 to 50% by weight of rubber particles, and D) from 0 to 20% by weight of additives and processing auxiliaries, by preparing a transparent molded article from the polymer mixture, and exposing the transparent molded article to laser radiation.

    19.
    发明专利
    未知

    公开(公告)号:DE102005001637A1

    公开(公告)日:2006-07-20

    申请号:DE102005001637

    申请日:2005-01-12

    Applicant: BASF AG

    Abstract: A mixture which comprises from 5 to 50% by weight of a block copolymer A, which comprises one or more copolymer blocks (B/S)A each composed of from 65 to 95% by weight of vinylaromatic monomers and from 35 to 5% by weight of dienes and of a glass transition temperature TgA in the range from 40° to 90° C.; from 95 to 50% by weight of a block copolymer B, which comprises at least one hard block S composed of vinylaromatic monomers and comprises one or more copolymer blocks (B/S)B each composed of from 20 to 60% by weight of vinylaromatic monomers and from 80 to 40% by weight of dienes and of a glass transition temperature TgB in the range from −70° to 0° C.; from 0 to 45% by weight of polystyrene or of a block copolymer C other than A and B; and from 0 to 6% by weight of a plasticizer; and its use for production of shrink films.

    STYROL/BUTADIENE BLOCK COPOLYMER MIXTURES FOR SHRINK FILMS

    公开(公告)号:CA2591623A1

    公开(公告)日:2006-07-20

    申请号:CA2591623

    申请日:2005-12-31

    Applicant: BASF AG

    Abstract: A mixture which comprises from 5 to 50% by weight of a block copolymer A, which comprises one or more copolymer blocks (B/S)A each composed of from 65 to 95% by weight of vinylaromatic monomers and from 35 to 5% by weight of dienes and of a glass transition temperature TgA in the range from 40° to 90° C.; from 95 to 50% by weight of a block copolymer B, which comprises at least one hard block S composed of vinylaromatic monomers and comprises one or more copolymer blocks (B/S)B each composed of from 20 to 60% by weight of vinylaromatic monomers and from 80 to 40% by weight of dienes and of a glass transition temperature TgB in the range from −70° to 0° C.; from 0 to 45% by weight of polystyrene or of a block copolymer C other than A and B; and from 0 to 6% by weight of a plasticizer; and its use for production of shrink films.

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