A kind of filtering material and preparation method for indoor purifying air

A kind of filtering material and preparation method for indoor purifying air

  • CN 107,715,572 A
  • Filed: 11/22/2017
  • Published: 02/23/2018
  • Est. Priority Date: 11/22/2017
  • Status: Active Grant
First Claim
Patent Images

1. A kind of 1. filtering material for indoor purifying air, it is characterised in that the filter material for indoor purifying airMaterial is prepared by the following method:



  • 1)

    12~15h is displayed after polyamic acid is dissolved, obtains polyamic acid solution;



    2)

    Metal-organic framework materials are scattered in triethanolamine, obtain metal-organic framework materials dispersion liquid;



    3)

    The metal-organic framework materials dispersion liquid is added in the polyamic acid solution, is freeze-dried after mixing,Hot imidization obtains polyimides composite aerogel;



    4)

    Polyimides composite aerogel is scattered in the fine solution of polypropylene and forms spinning solution, spinning, weaves cotton cloth to form transparent filterCloth;

    Wherein, step(

    1)

    The solvent of the polyamic acid dissolving is dimethylformamide, dimethyl sulfoxide (DMSO), sodium sulfocyanate or chlorineChange zinc.

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