Polyether ester block copolymer

To provide a polyether ester block copolymer which has surface hardness suitable to be applied to a structural member and excellent in sound deadening quality and tribological property, a polyether ester block copolymer of the present invention comprises (a) aromatic dicarboxylic acid unit, (b) 1,3-...

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1. Verfasser:	YAMAOKA KATSUSHI
Format:	Patent
Sprache:	eng
Schlagworte:	ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS ORGANIC MACROMOLECULAR COMPOUNDS PHYSICS SOUND-PRODUCING DEVICES THEIR PREPARATION OR CHEMICAL WORKING-UP
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