AROMATIC COPOLYMERIZED POLYESTER

PROBLEM TO BE SOLVED: To provide an aromatic copolymerized polyester excellent in transparency and color tone and having high clarity. SOLUTION: The aromatic copolymerized polyester includes terephthalic acid as a main dicarboxylic acid component and includes ethylene glycol and neopentyl glycol as...

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Hauptverfasser:	TOGAWA KEIICHIRO, KUZE KATSURO
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an aromatic copolymerized polyester excellent in transparency and color tone and having high clarity. SOLUTION: The aromatic copolymerized polyester includes terephthalic acid as a main dicarboxylic acid component and includes ethylene glycol and neopentyl glycol as main glycolic acid components. The aromatic copolymerized polyester is characterized in that it contains 20-100 ppm of germanium atoms, 3-25 ppm of cobalt atoms and 15-45 ppm of phosphorus atoms, however, it does not contain antimony and titanium atoms. COPYRIGHT: (C)2011,JPO&INPIT