METHOD AND DEVICE FOR PREPARING VINYL CHLORIDE POLYMERS

    公开(公告)号:SU856389A3

    公开(公告)日:1981-08-15

    申请号:SU2488546

    申请日:1977-06-02

    Applicant: HOECHST AG

    Abstract: A continuous process and an apparatus for the polymerization of vinyl chloride in aqueous emulsion wherein the liquid reaction mixture is fed into the lower part of a vertical, cylindrical vessel, the liquid level in the vessel is adjusted to at most 97% of the total interior height of the vessel, the reaction mixture is stirred with a stirrer which is totally immersed in the liquid and extends over 15 to 60% of the total interior height of the vessel and the produced polymer emulsion is laterally discharged from the upper part of the vessel.

    3.
    发明专利
    未知

    公开(公告)号:DD130860A5

    公开(公告)日:1978-05-10

    申请号:DD19926677

    申请日:1977-06-02

    Applicant: HOECHST AG

    Abstract: A continuous process and an apparatus for the polymerization of vinyl chloride in aqueous emulsion wherein the liquid reaction mixture is fed into the lower part of a vertical, cylindrical vessel, the liquid level in the vessel is adjusted to at most 97% of the total interior height of the vessel, the reaction mixture is stirred with a stirrer which is totally immersed in the liquid and extends over 15 to 60% of the total interior height of the vessel and the produced polymer emulsion is laterally discharged from the upper part of the vessel.

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