Glass fiber coated filter material with catalytic function and preparation method thereof
A technology of glass fiber and membrane-coated filter material, which is applied in the direction of chemical instruments and methods, separation methods, physical/chemical process catalysts, etc., can solve the problem that the catalyst is easily blocked by dust, cannot maintain the high-efficiency and long-lasting catalytic function of the catalyst, and is not suitable for industrial production and other problems, to achieve the effect of high efficiency and lasting catalytic function, low cost and improved utilization rate
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[0062] A catalytic function glass fiber film-coated filter material comprises a glass fiber filter material substrate, a glass fiber protective film, a catalyst nano particle layer and an expanded microporous polytetrafluoroethylene filter film.
[0063] Its preparation method comprises the following steps:
[0064] step 1)
[0065] At high temperature, for 750g / m 2 The base material of the glass fiber filter material was subjected to high-temperature thermal cleaning under the process conditions of a temperature of 400° C. and a vehicle speed of 5 m / min to obtain a glass fiber filter material A through high-temperature thermal cleaning;
[0066] step (2)
[0067] Components such as polytetrafluoroethylene emulsion with a solid content of 60%, polyacrylate emulsion with a solid content of 38%, and silane coupling agent KH550 are formulated into a glass fiber post-treatment agent according to the following weight percentages;
[0068] PTFE emulsion 30%
[0069] Coupling age...
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