POLYESTER BLOCK COPOLYMER COMPOSITION FOR MOLDING CONTINUOUS LENGTH MATTER

PROBLEM TO BE SOLVED: To obtain the subject composition excellent in form retention in molten state useful for continuous length matter, etc., by compounding a polyester block-copolymer comprising specific components with filler. SOLUTION: The composition comprises (A) 100 pts.wt. of the polyester b...

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Bibliographische Detailangaben
Hauptverfasser:	AKIBA KAZUTERU, HORIUCHI MAMORU
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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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain the subject composition excellent in form retention in molten state useful for continuous length matter, etc., by compounding a polyester block-copolymer comprising specific components with filler. SOLUTION: The composition comprises (A) 100 pts.wt. of the polyester block-copolymer mainly consisting from (i) high melting point crystalline polymer segment mainly consisting crystalline aromatic polyester unit, (ii) low melting point polymer segment mainly consisting from aliphatic polyether units and/or aliphatic polyester units, (B) 1-100 pts.wt. of the filler (preferably, glass fiber, etc.). The melt-flow rate (observed following ASTM D-1238 under 2160 g load) of the composition is set to