Polymer compositions stabilized with substituted 4,5-benzo-1,3,2-dioxaphospholanes
    1.
    发明授权
    Polymer compositions stabilized with substituted 4,5-benzo-1,3,2-dioxaphospholanes 失效
    与取代的4,5-苯并-1,3,2-二氧杂萘酚稳定的聚合物组合物

    公开(公告)号:US3796684A

    公开(公告)日:1974-03-12

    申请号:US3796684D

    申请日:1971-05-24

    Applicant: BORG WARNER

    Inventor: DEVER J HODAN J

    CPC classification number: C08K5/527 C07F9/65744

    Abstract: THIS INVENTION IS DIRECTION TO A COMPOSITION COMPRISING A POLYMER AND A NOVEL STABILIZER OF THE FORMULA:

    2-(R2-O-),(R1)N1-1,3,2-BENZODIOXAPHOSPHOLE

    IN WHICH R2 IS SELECTED FROM THE GROUP CONSISTING OF ARYL AND SUBSTITUTED ARYL, R1 IS SELECTED FROM THE GROUP CONSISTING OF ALKYL, SUBSTITUTED ALKYL, ARYL AND SUBSTITUTED ARYL, AND N1 IS FROM 0 TO 4. WHERE N1 IS MORE THAN 1, THE SUBSTITUENTS R1 MAY BE THE SAME OR DIFFERENT. POLYMERS STABILIZED IN THE PRACTICE OF THIS INVENTION INCLUDE POLYETHYLENE, POLYPROPYLENE, ACRYLONITRILE-BUTADIENE-STYRENE COPOLYMERS AND POLYSTYRENE.

    Preparation of neoalkyl phenyl phosphite
    4.
    发明授权
    Preparation of neoalkyl phenyl phosphite 失效
    NEOALKYL PHENYL磷酸盐的制备

    公开(公告)号:US3714302A

    公开(公告)日:1973-01-30

    申请号:US3714302D

    申请日:1969-07-08

    Applicant: BORG WARNER

    Inventor: DEVER J HODAN J

    CPC classification number: C07F9/65742

    Abstract: CYCLIC PHOSPHITES, SUCH AS PHENYL NEOPENTYL PHOSPHITE ARE PRODUCED BY REACTING PHENOL IN THE MELT WITH A CRUDE REACTIIION PRODUCT OF PCL3 AND A 2,2-DI-LOWER ALKYL-1,3-PROPANE GLYCOL AND RECOVERING THE DESIRED PRODUCT BY DISTILLATION. THE CYCLIC PHOSPHITES ARE USEFUL AS STABILIZERS FOR ORGANIC COMPOSITIONS SUCH AS RUBBER AND POLYVINYL CHLORIDE.

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