BINDER, AND APPARATUS AND METHOD FOR FORMING FIBER-BASED ITEM

A binder that is used for forming fiber-based items and that binds fibers contains a polyester and an aggregation inhibitor. The polyester contains a structural unit derived from polyethylene terephthalate, a structural unit derived from at least one polyvalent carboxylic acid, and a structural unit...

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Bibliographische Detailangaben
Hauptverfasser:	SAGO, Takumi, NAKAZAWA, Masahiko, UENO, Yoshihiro
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G BRAIDING CHEMISTRY COMPOSITIONS BASED THEREON COTTON-WOOL FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS GENERAL PROCESSES OF COMPOUNDING IMPREGNATING OR COATING OF PAPER KNITTING LACE-MAKING MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUTORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTINGOF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL METALLURGY NAILING OR STAPLING MACHINES IN GENERAL NON-WOVEN FABRICS ORGANIC MACROMOLECULAR COMPOUNDS PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PERFORMING OPERATIONS PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G TRIMMINGS WADDING WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL WORKING-UP
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Beschreibung
Zusammenfassung:	A binder that is used for forming fiber-based items and that binds fibers contains a polyester and an aggregation inhibitor. The polyester contains a structural unit derived from polyethylene terephthalate, a structural unit derived from at least one polyvalent carboxylic acid, and a structural unit derived from at least one polyhydric alcohol including trimethylolpropane. The binder exhibits a viscosity coefficient higher than 3500 P at 150°C in dynamic viscoelasticity measurement.