MULTILAYER LAMINATION FILTER

To provide a multilayer lamination filter which is excellent in deodorizing performance and air permeability, has low pressure loss, and is excellent in productivity.SOLUTION: A multilayer lamination filter includes at least an unwoven fabric B, unwoven fabric A, and unwoven fabric C arranged in thi...

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Bibliographische Detailangaben
Hauptverfasser:	YATSUNAMI YUJI, TAKAGI YUUKO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING
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Beschreibung
Zusammenfassung:	To provide a multilayer lamination filter which is excellent in deodorizing performance and air permeability, has low pressure loss, and is excellent in productivity.SOLUTION: A multilayer lamination filter includes at least an unwoven fabric B, unwoven fabric A, and unwoven fabric C arranged in this order. A functional particle A is arranged in an interlayer formed of the unwoven fabric B and the unwoven fabric A. A functional particle B is arranged in an interlayer formed of the unwoven fabric C and the unwoven fabric A. The multilayer lamination filter satisfies the following expression (1). A most frequent value of a pore size of the unwoven fabric B