Polymers of dipyridyl
    9.
    发明授权
    Polymers of dipyridyl 失效
    DIPYRIDYL的聚合物

    公开(公告)号:US3641034A

    公开(公告)日:1972-02-08

    申请号:US3641034D

    申请日:1969-09-02

    Applicant: POLAROID CORP

    Inventor: SIMON MYRON S

    CPC classification number: C09K9/02 C08G73/0627 G02F1/1521

    Abstract: A NEW CLASS OF POLYMERS IS DESCRIBED IN WHICH THE ESSENTIAL RECURIING STRUCTURAL UNIT CORRESPONDS TO THE FORMULA ((4-(6-PYRIDYLENE),6-R1-PYRIDYLENE-R2-)N)++ 2(A-) IN WHICH R AND R1 EACH ARE HYDROGEN OR METHYL, R2 IS EITHER ALKYLENE OR R3-PHENYLENCE-R4 WHEREIN R3 AND R4 EACH ARE ALKYLENE, N IS AT LEAST 2, AND A-IS ANION.

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