POLYESTER RESIN AND METHOD FOR PRODUCING THE SAME

PROBLEM TO BE SOLVED: To obtain a polyester resin, easily being crystallized at the mouth part of a bottle by heating in a short time, also excellent in dimensional stability, and having less problems in the transparency and discoloration of a trunk part as a bottle produced, and a high productivity...

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Bibliographische Detailangaben
Hauptverfasser:	WATANABE NAOKI, MATSUI YOSHINAO, NAKAJIMA TAKAHIRO, YOSHIDA FUMIKAZU, AKITOMO YOSHIKO
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR CHEMISTRY COMPOSITIONS BASED THEREON CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS STORING THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain a polyester resin, easily being crystallized at the mouth part of a bottle by heating in a short time, also excellent in dimensional stability, and having less problems in the transparency and discoloration of a trunk part as a bottle produced, and a high productivity on molding. SOLUTION: The polyester composition for the bottle is provided by securing the dimensional stability of the mouth part by using a polycondensation catalyst capable of regulating the crystallization temperature of the composition on elevating temperature (Tc1) within a range having less scattering, gives a high productivity on molding and also causes less problems in the transparency and discoloration as the bottle. The method for producing the same is also provided. COPYRIGHT: (C)2006,JPO&NCIPI