FILTRATION LAMINATE AND METHOD FOR MANUFACTURING FILTRATION LAMINATE

• Main Authors: IIHAMA, Sho, YAMAMOTO, Joji, IIBA, Kouzou
• Format: Patent
• Language: English; French; Japanese
• Published: 04.07.2024
• Subjects: BRAIDING; COTTON-WOOL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS; KNITTING; LACE-MAKING; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL; NON-WOVEN FABRICS; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TEXTILES; TRANSPORTING; TRIMMINGS; WADDING

This filtration laminate comprises a spun-bond nonwoven fabric layer including a spun-bond nonwoven fabric, and a melt-blown nonwoven fabric layer including a melt-blown nonwoven fabric, the average fiber diameter of the fibers contained in the melt-blown nonwoven fabric being 1.0 μm or less, and the filtration laminate being embossed. Ce stratifié de filtration comprend une couche de tissu non tissé par filage direct comprenant un tissu non tissé par filage direct, et une couche de tissu non tissé obtenue par fusion-soufflage comprenant un tissu non tissé obtenue par fusion-soufflage, le diamètre de fibre moyen des fibres contenues dans le tissu non tissé obtenue par fusion-soufflage étant inférieur ou égal à 1,0 µm, et le stratifié de filtration étant gaufré. スパンボンド不織布を含むスパンボンド不織布層と、メルトブローン不織布を含むメルトブローン不織布層と、を備え、前記メルトブローン不織布に含まれる繊維の平均繊維径は１．０μｍ以下であり、エンボス加工されている濾過用積層体。