3.
    发明专利
    未知

    公开(公告)号:DE10101402A1

    公开(公告)日:2002-07-18

    申请号:DE10101402

    申请日:2001-01-13

    Applicant: BASF AG

    Abstract: The invention relates to a process for the production of styrene polymers containing water as expanding agent by suspension polymerization of styrene in the presence of an emulsifying auxiliary, the suspending agent being a mixture of water and an organic liquid which is water-miscible and which is virtually a non-solvent for polystyrene and has a boiling point below 100° C.

    5.
    发明专利
    未知

    公开(公告)号:DE19752037B4

    公开(公告)日:2006-11-09

    申请号:DE19752037

    申请日:1997-11-24

    Applicant: BASF AG

    Abstract: Polyurethanes (PUR) are obtained by reacting (a) polyfunctional isocyanates (optionally in presence of blowing agents and normal additives etc.) with (b) special isocyanate-reactive compounds comprising polyether-alcohols with a single functionality of n \! 0.1, where n = 3-9. An Independent claim is also included for the production of rigid PUR foam by the process described above with blowing agents (c) as an obligatory component.

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