POLYESTER HOT-MELT BINDER FIBER

PURPOSE:To titled fibers, consisting of a polyester having a specific softening point and melt viscosity, having a high crimpness, bondable to a material without reducing the bulkiness of base fibers in a small amount without melting by washing with hot water, and useful for preparing wadding, etc....

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Bibliographische Detailangaben
Hauptverfasser:	KINOSHITA RIYOUKICHI, HIROSE KAZUHIKO, KAWAZOE SHINGO
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS APPARATUS THEREFOR BRAIDING CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS CHEMISTRY COTTON-WOOL ELECTROFORMING ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS KNITTING LACE-MAKING MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL METALLURGY NATURAL OR ARTIFICIAL THREADS OR FIBRES NON-WOVEN FABRICS PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS SPINNING TEXTILES TRIMMINGS WADDING
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Beschreibung
Zusammenfassung:	PURPOSE:To titled fibers, consisting of a polyester having a specific softening point and melt viscosity, having a high crimpness, bondable to a material without reducing the bulkiness of base fibers in a small amount without melting by washing with hot water, and useful for preparing wadding, etc. CONSTITUTION:A mixture of terephthalic acid with isophthalic acid, etc. as an acid component is esterified with ethylene glycol, etc. as a glycol component and then polycondensed under heating and under reduced pressure in an autoclave to give a polyester polymer having a softening point in the range of 100-150 deg.C and a melt viscosity =1,000 poises at 190 deg.C. The resultant polymer is then melt spun to afford the aimed binder fibers having a precentage crimp >=8%.