Ouest Valorisation

Composite Textile fibres which can detect temperature

Posted by Christophe from Ouest ValorisationResponsive · Patents for licensing · France

Summary of the technology

This technology is about a smart textile material which is able to detect a temperature threshold by dropping its electrical conductivity at this critical temperature.

Ouest Valorisation

Description of the technology

This technology is about a smart textile material which is able to detect a temperature threshold by dropping its electrical conductivity at this critical temperature.

This technology is based on the use of Conductive Polymer Composites (CPC), in filament form, suitable to provide a woven textile structure.

CPCs are obtained by a dispersion of conductive particles inside a polymeric non conductive matrix, which will provide enough mechanical properties for a long lasting usage.

Temperature detection threshold is adjustable by working on the formulation. For instance, one can fine tune a formation with a temperature threshold set at 55°c. Hence, fibre will automatically detect every single temperature reaching 55°c or more.

Based on one formulation, the full textile chain had been investigated: formulation of CPC and its extrusion, spinning, weaving and detection proof.

Potential application areas

  • Main application seems to be working protection clothes for firemen or workers in heavy industry, in order to detect temperature hazar threshold.
  • Other fields as medical or military could, as well, feel an interested in this technology.

Technology advantages

  • With CPCs, one can, by using a non conductive polymer with a specific glass transition temperature, adjust accurately temperature threshold detection.
  • Unlike most existing technologies, this invention allows to integrate these smart fibres in stuffs or clothes.

Targetted partner

Industrial company specialized in smart textile and/or protective working clothes.

Intellectual property status

European Patent: WO 2011/069743 AI

Intellectual property status

Granted Patent
WO2011069743

Technology Owner

Ouest Valorisation

Technology Transfer Network

Additional information (attached documents)

Related keywords

  • Fire Resistance/Safety
  • Materials Technology
  • Composite materials
  • Advanced Textile Materials
  • Industrial Technologies
  • Textiles Technology
  • Woven technical textiles for industrial applications
  • Textile fibres
  • Footwear / Leather Technology
  • Measurements and Standards
  • Measurement Tools
  • Thermal material testing
  • Protecting Man and Environment
  • Safety
  • Fire Safety Technology
  • Protection against intoxication
  • Textiles (synthetic and natural)
  • smart textiles

About Ouest Valorisation

Technology Transfer Network from France

Ouest Valorisation is a Technology Transfer Acceleration Company.

Our mission is to add value to technological breakthroughs generated by public research laboratories in Western France area (Bretagne & Pays de la Loire), and to provide industrial partners with innovative resources.

We finance and assist technologies until they are adapted by industrial companies, taking on technological and financial risk inherent to the projects.

We enable companies to access these inventions in a quicker way to convert them into innovative products.

We play a full role in creating value.

www.ouest-valorisation.fr

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