Process for preparing hydroxy derivatives of fluorinated polymers
    30.
    发明授权
    Process for preparing hydroxy derivatives of fluorinated polymers 失效
    制备氟化聚合物的羟基衍生物的方法

    公开(公告)号:US3847887A

    公开(公告)日:1974-11-12

    申请号:US37747573

    申请日:1973-07-09

    Applicant: TEXACO INC

    CPC classification number: C10L1/206 C08F8/00 C08F112/08 C08F110/06

    Abstract: 1. A METHOD FOR PREPARING AN ORGANIC HYDROXY COMPOUND DERIVATIVE OF A FLUORINATED POLYMER WHICH COMPRISES REACTING AT 50 TO 200*C. A FLUORINATED POLYMER FROM THE GROUP CONSISTING OF (1) A FLUORINATED POLYSTYRENE HAVING THE EMPIRICAL FORMULA (C16H3F25)X IN WHICH IS HAS A VALUE FROM 3 TO 5, AND (2) A FLUORINATED POLYPROPYLENE HAVING THE EMPRICAL FORMULA (C3HF5)X IN WHICH X HAS A VALUE FROM 20 TO 40, WITH A COMPOUND HAVING THE FORMULA ROH IN WHICH R IS A HYDROCARBYL RADICAL HAVING FROM 2 TO 30 CARBON ATOMS, IN THE PRESENCE OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF: (1) A TERTIARY AMINE HAVING THE FORMULA R3N IN WHICH R IS AN ALIPHATI RADICAL HAVING FROM 1 TO 30 CARBON ATOMS, AND, (2) AN ALKALI METAL SALT HAVING THE FORMULA ROM IN WHICH M REPRESENTS AN ALKALI METAL AND R HAS THE VALUE NOTED ABOVE, SAID REACTION BEING CONDUCTED USING ABOUT ONE MOIETY OF SAID ORGANIC HYDROXY COMPOUND AND TWO MOIETIES OF SAID TERTIARY AMINE OR ALKALI METAL SALT CATALYST FOR EACH HYDROGEN ATOM IN SAID FLUORINATED POLYMER.

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