Surface processing method for hollow fiber ultrafiltering membrane

Surface processing method for hollow fiber ultrafiltering membrane

  • CN 101,053,783 A
  • Filed: 05/18/2007
  • Published: 10/17/2007
  • Est. Priority Date: 05/18/2007
  • Status: Active Application
First Claim
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1. , a kind of surface treatment method of hollow fiber ultrafiltration membrane may further comprise the steps:

  • (1) preparation mixed solution;

    softening agent, hydrophilizing agent, anticorrisive agent and water are mixed with mixed solution, wherein, the quality percentage composition of softening agent is 0.1%~

    50% in the mixed liquor, and the quality percentage composition of hydrophilizing agent is 2%~

    20%, and the quality percentage composition of anticorrisive agent is 0.1%~

    5%;

    (2) soak;

    the mixed solution with step (1) gained soaks hollow fiber ultrafiltration membrane, and soak time is more than 30 minutes;

    (3) drying;

    the hollow fiber ultrafiltration membrane after will soaking was 40 ℃



    80 ℃

    oven dry 2~

    12 hours, and perhaps natural air drying got final product in 1~

    2 day at normal temperatures.

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