13.
    发明专利
    未知

    公开(公告)号:GB1054028A

    公开(公告)日:1967-01-04

    申请号:GB4277463

    申请日:1963-10-30

    Applicant: BASF AG

    Abstract: 1,054,028. Flocculating. BADISCHE ANILIN- & SODA-FABRIK A.G. Oct. 30, 1963 [Nov. 7, 1962], No. 42774/63. Heading C1C. [Also in Divisions B1 and C3] A water-soluble polymer suitable for use as a flocculating agent for finely divided coal or ore suspensions comprises a copolymer of acrylamide, acrylic acid and vinylsulphonic acid having a relative viscosity of 7À1 in 0À1% aq. solution. A water-soluble copolymer obtained from acrylamide and sodium vinylsulphonate and having a K-value of 155 is also said to be suitable as a flocculating agent.

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