HIGH-RIGIDITY NONWOVEN FABRIC, CORE MATERIAL FOR TATAMI MAT AND METHOD FOR PRODUCING HIGH-RIGIDITY NONWOVEN FABRIC

PROBLEM TO BE SOLVED: To obtain a high-rigidity nonwoven fabric having excellent uniform rigidity of the whole nonwoven fabric and a core material for tatami mat having good appearance, useful as a straw mat part of tatami mat, using the high-rigidity nonwoven fabric and to provide a method for simp...

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Hauptverfasser:	NAGATA MAKIO, ONOE HIROSHI
Format:	Patent
Sprache:	eng
Schlagworte:	BRAIDING BUILDING COTTON-WOOL FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS FIXED CONSTRUCTIONS KNITTING LACE-MAKING MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL NON-WOVEN FABRICS TEXTILES TRIMMINGS WADDING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain a high-rigidity nonwoven fabric having excellent uniform rigidity of the whole nonwoven fabric and a core material for tatami mat having good appearance, useful as a straw mat part of tatami mat, using the high-rigidity nonwoven fabric and to provide a method for simply producing the high-rigidity nonwoven fabric. SOLUTION: The high-rigidity nonwoven fabric comprises a polyester-based nonwoven fabric and has 300-1,500 g/m2weight and 1.0-3.0 kgf flexural strength measured in accordance with JIS 7221 flexural test. The core material for tatami mat useful for the straw mat part is obtained by using the high-rigidity nonwoven fabric. The method for producing the high-rigidity nonwoven fabric comprises subjecting the polyester-based nonwoven fabric obtained after nonwoven fabric production to a water treatment process and a heat treatment process at 120-220°C. COPYRIGHT: (C)2004,JPO