Modifying polymers
    2.
    发明授权
    Modifying polymers 失效
    改性聚合物

    公开(公告)号:US3640974A

    公开(公告)日:1972-02-08

    申请号:US3640974D

    申请日:1969-05-05

    Applicant: HERCULES INC

    Inventor: BRESLOW DAVID S

    Abstract: VINYL CHLORIDE AND VINYLIDENE CHLORIDE POLYMERS CAN BE CROSS-LINKED OR OTHERWISE MODIFIED BY REACTION WITH A POLY (DIAZO) COMPOUND SELECTED FROM THE GROUP OF

    R-(O-CO-CN2-R'')X AND A-(CN2-R'')X

    WHERE X IS AN INTEGER GREATER THAN 1, R IS AN ORGANIC RADICAL INERT TO MODIFICATION REACTIONS, A IS AN AROMATIC RADICAL INERT TO MODIFICATION REACTIONS, AND R'' IS A HYDROGEN, ARYL OR -COOZ RADICAL WHERE Z IS AN ALKYL OR ARYL RADICAL. THE REACTION BETWEEN THE POLY (DIAZO) COMPOUND AND POLYMER CAN BE INITIATED EITHER BY HEATING OR BY EXPOSING TO ULTRAVIOLET RADIATION.

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