High-efficiency filter sheets for air microfiltration membrane filters
A microfiltration membrane and filter technology, applied in the field of filters, can solve problems such as affecting the cleanliness of clean rooms, affecting human respiratory health, secondary pollution of indoor environment, etc., to improve the phenomenon of return air, improve acid and alkali resistance, Improve the effect of filtering
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[0021] The present invention will be further described in detail below with reference to the embodiments, so that those skilled in the art can implement it according to the text of the description.
[0022] This case provides a high-efficiency filter sheet for an air microfiltration membrane filter, which includes a polyvinyl chloride fiber layer and a polytetrafluoroethylene fiber layer, wherein the fiber filaments in the polyvinyl chloride fiber layer and the polytetrafluoroethylene fiber layer are respectively It is unidirectionally arranged, and the fiber filaments in the polyvinyl chloride fiber layer and the fiber filaments in the polytetrafluoroethylene fiber layer are at an angle of 60-65°C; research has found that after the two layers of fiber filaments are at a certain angle, The size of this angle can affect the wind resistance and filtering effect of the filter. Although it is more common to use two layers of fiber filaments perpendicular to each other in the prior art...
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