ENTANGLED POLYAMIDE AND PROCESS FOR PRODUCING THE SAME

PROBLEM TO BE SOLVED: To provide a process for producing an entangled polyamide in a simple and convenient manner without necessarily requiring the rigid control of temperature, the control of solubility and a solvent or the like difficult to be handled. SOLUTION: The process for producing an entang...

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Hauptverfasser:	YAMAMOTO KAZUHIKO, TATE HIDEKI, YOSHIOKA YAYOI, OKADA WATARU, ASAO KATSUYA
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS BRAIDING CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS CHEMISTRY COMPOSITIONS BASED THEREON COTTON-WOOL FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS 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 NATURAL OR ARTIFICIAL THREADS OR FIBRES NON-WOVEN FABRICS ORGANIC MACROMOLECULAR COMPOUNDS SPINNING TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TRIMMINGS WADDING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a process for producing an entangled polyamide in a simple and convenient manner without necessarily requiring the rigid control of temperature, the control of solubility and a solvent or the like difficult to be handled. SOLUTION: The process for producing an entangled polyamide is a process for synthesizing a polyamide comprising a constitutional unit represented by formula (1), which comprises the first step (a) of preparing a first solution containing a 4,4'-biphenyl dicarbonyl chloride and a second solution containing a bistrifluoromethyl benzidine, respectively and the second step (b) of mixing the first solution and the second solution in the presence of a solvent which is soluble in both of the solvents used in the first solution and the second solution to deposit an entangled polyamide from the mixed solution. COPYRIGHT: (C)2008,JPO&INPIT