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  • Degradation of Polymers
    Article - 20 Sep 2002
    Plastics may not be as long lasting as first thought. Recent evidence shows that breakdown of plastics may begin shortly after manufacture. Recognition, deterioration, influencing factors,...
  • Tennis Racket - Materials, Design, Evolution and Testing
    Article - 7 Aug 2002
    Lloyd Instruments ensures tennis rackets meet the demands of modern play with rigorous testing for impact strength and flexibility.
  • Butyl Rubber - Polyisobutylene
    Article - 30 Jul 2002
    Butyl rubber consists almost exclusively of poly isobutylene. Composition, structure, polymerisation and vulcanisation, key properties and applications are covered. A comprehensive data sheet is also...
  • Man-Made Spiders Silk
    Article - 29 Jul 2002
    Synthetic spiders silk has finally been produced after many attempts. The properties of this material are extremely desirable. The production method involving transgenic animal technology is outined,...
  • Castor Oil
    Article - 10 Jul 2002
    Castor oil is a plant extract consisting primarily of ricinoleic acid. It can be processed into derivitives that have similar chemical properties to petrochemical based oils. Sources, characteristics,...
  • Fourier Transform Infrared Spectroscopy - A Tool for Understanding the Deterioration of Plastics
    Article - 9 Jul 2002
    Fourier Transform infrared is a useful tool for investigating the deformation of polymers. It has been used for a conservation tool for extremely old plastic items, as well as looking at degradation...
  • Castrol Quenchants and the Castrol Index
    Article - 5 Jul 2002
    The Castrol Index was developed for evaulating mineral oil quenchants without the need for severity of quench test equipment. The Castrol Index is defined and a worked example provided.
  • Rubber from Sunflowers
    Article - 27 Jun 2002
    Sunflowers are a source of natural rubber. Researchers at Colarado State University are working on developing new varieties that produce increased amounts of rubber. Posted May 2002
  • Low Pressure Powder Injection Moulding of Metals, Ceramics and Metal Matrix Composites
    Article - 20 May 2002
    Low pressure powder injection moulding is a variation on powder injection moulding, with a number of advantages, which are outlined. It is suitable for metals, ceramics and metal matrix composites.
  • Powder Metallurgy - Manufacture of Rings via Powder Metallurgical Processes
    Article - 20 May 2002
    Powder metallurgy provides a fast an economical alternative method to traditonal techniques for production of rings. This article describes the patented process used by Engelhard for producing wedding...

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