Strain gauge polymer comprising photochromic colorant

A composite manufacture includes an extrudable thermoplastic matrix and a photochromic colorant, the photochromic colorant conferring to the composite a reversible strain-induced color change property. Methods include adding photochromic colorant to an extrudable thermoplastic polymer matrix to form...

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Bibliographische Detailangaben
Hauptverfasser:	Prestayko, Rachel, Chopra, Naveen, Vella, Sarah J
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G BASIC ELECTRIC ELEMENTS CABLES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CONDUCTORS ELECTRICITY GENERAL PROCESSES OF COMPOUNDING HETEROCYCLIC COMPOUNDS INSULATORS METALLURGY ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP
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Beschreibung
Zusammenfassung:	A composite manufacture includes an extrudable thermoplastic matrix and a photochromic colorant, the photochromic colorant conferring to the composite a reversible strain-induced color change property. Methods include adding photochromic colorant to an extrudable thermoplastic polymer matrix to form a mixture, heating the mixture to form a composite, the photochromic colorant conferring to the composite a reversible strain-induced color change property. The composite manufactures can be used in cable coatings permitting visual detection of mechanical stresses in a wire based on the reversible strain-induced color change property.