POLYESTER COMPOSITION AND HOLLOW MOLDING, SHEET AND ORIENTED FILM EACH COMPRISING THE SAME

POLYESTER COMPOSITION AND HOLLOW MOLDING, SHEET AND ORIENTED FILM EACH COMPRISING THE SAME

PROBLEM TO BE SOLVED: To provide a polyester composition, hollow moldings, sheets and oriented films each excellent in crystallization-controlling properties in melt molding, transparency in long time continuous molding and thermal dimensional stability. SOLUTION: The polyester composition is obtain...

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Hauptverfasser: KIMURA NOBUTAKE, MATSUI YOSHINAO, NAKAJIMA TAKAHIRO, HARA ATSUSHI, SUZUKI KEISUKE
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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creator KIMURA NOBUTAKE
MATSUI YOSHINAO
NAKAJIMA TAKAHIRO
HARA ATSUSHI
SUZUKI KEISUKE
description PROBLEM TO BE SOLVED: To provide a polyester composition, hollow moldings, sheets and oriented films each excellent in crystallization-controlling properties in melt molding, transparency in long time continuous molding and thermal dimensional stability. SOLUTION: The polyester composition is obtained by compounding polyester chips (A) essentially comprising ethylene terephthalate units, 0.1-300 ppm polyester fine (B), 0.1 ppb to 1,000 ppm one or more resin selected from polyolefin resins, polyamide resins, polyacetal resin and polybutylene terephthalate resin, wherein, in infrared absorption spectrum, the integrated intensity ratio As of absorption band of the trans structure to the gauche structure of carbon-carbon bond of the ethylene glycol unit is 5.50-9.00 on the surface of the chip and As/Ac ratio of the integrated intensity ratio As to an integrated intensity ratio Ac at the center of the chip is 0.70-1.00. COPYRIGHT: (C)2004,JPO&NCIPI
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subjects CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
title POLYESTER COMPOSITION AND HOLLOW MOLDING, SHEET AND ORIENTED FILM EACH COMPRISING THE SAME
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