4.
    发明专利
    未知

    公开(公告)号:DE2151755A1

    公开(公告)日:1973-04-26

    申请号:DE2151755

    申请日:1971-10-18

    Applicant: HOECHST AG

    Abstract: Polyester materials are rendered hydrophobic and oleophobic by contacting said material with fluoroalkyl-acrylates or methacrylates and by effecting polymerization, graft-polymerization or both of these reactions in the presence of tetrachlorethane.

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