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METHOD FOR PREPARING POLYURETHANE FRAME AIR CLEANING FILTER BY USING NON-WOVEN FABRIC FILTER MEDIA AND AIR CLEANING FILTER PREPARED THEREBY
METHOD FOR PREPARING POLYURETHANE FRAME AIR CLEANING FILTER BY USING NON-WOVEN FABRIC FILTER MEDIA AND AIR CLEANING FILTER PREPARED THEREBY
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机译:非织造布滤料及其制备的空气滤清器制备聚氨酯框架空气滤清器的方法
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摘要
PURPOSE: Provided are a method for preparing a polyurethane frame air cleaning filter by using a non-woven fabric filter media having a good dust holding capacity and an air cleaning filter prepared thereby. CONSTITUTION: The method comprises steps of (a) after cutting a filter media made of a non-woven fabric in a certain width and at a certain interval by using a cutter, bending it with a bending machine; (b) adhesion-hardening by applying a hot melt resin on both sides border of the bent filter media by using an edge or adhesion-hardening only by a hot melt resin to stabilize the bent filter media; and (c) molding the stabilized non-woven fabric filter media into a polyurethane-based frame by using a molding frame.
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