TREATMENT OF FABRIC

PROBLEM TO BE SOLVED: To obtain a fabric suitable for artificial leather or the like by soaking a fabric containing a high polar organic solvent, polyolefin and an elastic polymer in a hydrocarbon solvent under specific conditions to impart flexibility and air permeability to the fabric. SOLUTION: A...

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Bibliographische Detailangaben
Hauptverfasser:	KOWAKA TAKESHI, HORI NAONOBU, SAKANE SOICHI, WATANABE KAZUNORI
Format:	Patent
Sprache:	eng
Schlagworte:	BRAIDING COTTON-WOOL FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR KNITTING LACE-MAKING LAUNDERING MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL NON-WOVEN FABRICS TEXTILES TREATMENT OF TEXTILES OR THE LIKE TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS TRIMMINGS WADDING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain a fabric suitable for artificial leather or the like by soaking a fabric containing a high polar organic solvent, polyolefin and an elastic polymer in a hydrocarbon solvent under specific conditions to impart flexibility and air permeability to the fabric. SOLUTION: A fabric containing at least a high polar organic solvent such as dimethylformamide, a polyolefin such as polyethylene, polypropylene, polystyrene or the like and an elastic polymer such as polyurethane is soaked in a hydrocarbon solvent such as toluene at a temperature lower than that the elastomer begins changing its structure, then, dipped in a hydrocarbon solvent at a temperature higher than the softening point of the polyolefin to treat the fabric. Preferably the hydrocarbon solvent used at the temperature lower than that the elastomer begins causing structural change is the same as the hydrocarbon solvent used at the temperature higher than the softening point of the polyolefin.