44.
    发明专利
    未知

    公开(公告)号:AT215582T

    公开(公告)日:2002-04-15

    申请号:AT99936512

    申请日:1999-07-12

    Applicant: BASF AG

    Inventor: GLUECK GUISCARD

    Abstract: The invention relates to a process for the preparation of expandable able styrene polymers containing particles of graphite by polymerization merization of styrene in aqueous suspension in the presence of particles of graphite having a mass density of less than 1.8 g/cm3.

    EXPANDABLE STYRENE POLYMERS CONTAINING GRAPHITE PARTICLES

    公开(公告)号:HU0104310A2

    公开(公告)日:2002-03-28

    申请号:HU0104310

    申请日:1999-11-05

    Applicant: BASF AG

    Inventor: GLUECK GUISCARD

    Abstract: The invention relates to expandable polystyrene beads which comprise graphite particles with an average particle size of more than 50 mum, and also to a process for their preparation by free-radical polymerization of styrene in aqueous suspension. The graphite particles, suspended in styrene, are added to the polymerization mixture at a conversion of from 10 to 100%.

    48.
    发明专利
    未知

    公开(公告)号:NO20012387L

    公开(公告)日:2001-05-15

    申请号:NO20012387

    申请日:2001-05-15

    Applicant: BASF AG

    Inventor: GLUECK GUISCARD

    Abstract: The invention relates to expandable polystyrene beads which comprise graphite particles with an average particle size of more than 50 mum, and also to a process for their preparation by free-radical polymerization of styrene in aqueous suspension. The graphite particles, suspended in styrene, are added to the polymerization mixture at a conversion of from 10 to 100%.

    50.
    发明专利
    未知

    公开(公告)号:NO20010445L

    公开(公告)日:2001-01-29

    申请号:NO20010445

    申请日:2001-01-26

    Applicant: BASF AG

    Inventor: GLUECK GUISCARD

    Abstract: The invention relates to a process for the preparation of expandable able styrene polymers containing particles of graphite by polymerization merization of styrene in aqueous suspension in the presence of particles of graphite having a mass density of less than 1.8 g/cm3.

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