Recovery of polyethylene from solution
    8.
    发明授权
    Recovery of polyethylene from solution 失效
    从溶液中回收聚乙烯

    公开(公告)号:US3600371A

    公开(公告)日:1971-08-17

    申请号:US3600371D

    申请日:1968-11-12

    Inventor: MARWIL STANLEY J

    CPC classification number: C08F10/00 Y10S159/10 C08F2/38

    Abstract: IN THE RECOVERY OF A NORMALLY SOLID POLYMER FROM A SOLUTION THEREOF BY FLASHING INTO A LOW-PRESSURE CHAMBER CONTAINING A CHOPPER WHEREIN THE SOLVENT VAPORIZES AND THE PRECIPITATED POLYMER IS CHOPPED INTO SMALL PARTICLES, THERE IS PROVIDED THE IMPROVEMENT OF CONTROLLING TEMPERATURE IN THE CHAMBER BY INJECTION OF LIQUID SOLVENT IN RESPONSE TO CHAMBER TEMPERATURE.

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