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Exploring the World of Conducting Plastics

Discover the fascinating realm of conducting plastics, their properties, and innovative applications in various industries. Learn about the advantages they offer over traditional materials and their implications for future technological advancements.

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Exploring the World of Conducting Plastics

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  1. Plastic Fantastic For some time now, plastics have been used commercially as alternatives to natural materials such as wood, metals, ceramics and glass. Why are they used extensively? • relatively cheap • lightweight • strong • easy to process Most polymers are good electrical insulators and also good thermal insulators These properties are highlighted in science education and by their extensive use in the home. picasaweb.google.com www.dkimages.com www.global-b2b-network.com www.clubi.ie

  2. Lately there has been increasing interest in developing new plastic materials with entirely new properties for all sorts of new uses. news.bbc.co.uk Over the last 30 years there has been increasing interest in a number of plastics found to be electrical conductors. www.tomshardware.com wallpaperweekly.com www.tf.uni-kiel.de Poly(ethyne) is included within Unit 2 Higher Grade Chemistry : The world of Carbon, section e) Polymers as an example of a conducting polymer.

  3. In the future, conducting plastics will be used because • the material and manufacturing costs are low • thin films can be used to cover large areas • are flexible. Conducting polymers will not be a general replacement for metals but will be used where these advantages can be exploited for medium conductivity applications.

  4. Poly(pyrrole) – A Conducting Plastic Poly(pyrrole) and poly(aniline) are commonly used conducting polymers in industry because they are relatively stable. Polypyrrole is not directly processable and is deposited in film form by electrochemical means. Current commercial applications of these plastics include battery electrodes, conductive coatings for electrostatic speakers, capacitor electrolytes, transparent conductive coatings, and electrostatic discharge coatings. www.ttiinc.com

  5. Aims for the day • Prepare a sample of a polymer and test its conductive properties • If time permits: Work collaboratively with others to critically analyse some pros and cons of plastics and develop an informed argument as to its worth to society

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