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
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 MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL METALLURGY NON-WOVEN FABRICS ORGANIC MACROMOLECULAR COMPOUNDS PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G TRIMMINGS WADDING 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.