POLYURETHANE ELASTOMER-BASED ACTUATOR

PROBLEM TO BE SOLVED: To obtain a polyurethane elastomer-based actuator having excellent electrostriction characteristics. SOLUTION: The polyurethane elastomer-based actuator is produced from a polyisocyanate and at least one kind of polyol selected from a polyol having amide group and a polyol cont...

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Bibliographische Detailangaben
Hauptverfasser:	IZUKAWA TSUKURU, NISHIKAWA MASAKO, KANEMATSU AKIHITO, MATSUMOTO SHINSUKE
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON ELECTRICITY 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 obtain a polyurethane elastomer-based actuator having excellent electrostriction characteristics. SOLUTION: The polyurethane elastomer-based actuator is produced from a polyisocyanate and at least one kind of polyol selected from a polyol having amide group and a polyol containing a polymer having amide group. The water content of the polyurethane elastomer-based actuator is 0.01-50 wt.% and the actuator has a property to amplify the strain caused by the orientation of the polyurethane elastomer in the direction of electric field applied to the elastomer in a water-containing state.