By Barbara H. Stuart
This e-book introduces the concepts used for the research of polymers. It covers the most facets of polymer technological know-how and expertise; identity, polymerization, molecular weight, constitution, floor houses, degradation and mechanical properties.* transparent causes of every analytical approach* Describes the appliance of options to the learn of polymers* Encourages studying via a variety of self-assessment questions and solutions* dependent for versatile studying"
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This e-book introduces the thoughts used for the research of polymers. It covers the most points of polymer technology and know-how; identity, polymerization, molecular weight, constitution, floor houses, degradation and mechanical houses. * transparent causes of every analytical approach* Describes the applying of recommendations to the learn of polymers* Encourages studying via various self-assessment questions and solutions* established for versatile studying"
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Extra info for Polymer Analysis
4 Schematic of a cross-section of a polymer composite. 10 Additives Certain types of substances are introduced into polymers during their manufacture in order to improve their properties . These substances are known as additives and may include fillers, colourants, plasticizers, stabilizers and flame retardants. Fillers are added to polymers in order to improve certain mechanical properties, such as strength and toughness, and usually consist of materials such as calcium carbonate, glass, clay or fibres.
Polycarbonate (PC) (trade names include ‘Lexan’, ‘Makrolon’ and ‘Merlon’) is a tough, strong and dimensionally stable engineering thermoplastic. The structural repeat unit of bisphenol A polycarbonate is as follows: r 01 18 Polymer Analysis While the phenyl and methyl groups produce steric hindrance and, thus, a stiff molecular unit, the C-0 bonds provide some flexibility in the structure. PC is used for compact discs, glazing, computer housings and aeronautical engineering applications. Poly(pheny1ene oxide) (PP0)-based resins (trade names include ‘Noryl’, ‘Vesteron’, and ‘Luranyl’) are strong, rigid, dimensionally stable and chemically resistant HPPs.
Eds), Pergamon Press, Oxford, UK, 1989, pp 17-32. 5. Cowie, J. M. , ‘Block and Graft Copolymerization’, in Comprehensive Polymer Science, Vol. , Russo, S . and Sigwatt, P. (Eds), Pergamon Press, Oxford, UK, 1989, pp. 33-42. 6. MacKnight, W. J. and Karasz, F. , ‘Polymer Blends’, in Comprehensive Polymer Science, Vol. 7, Aggarwal, S . L. and Russo, S. (Eds), Pergamon Press, Oxford, UK, 1989, pp. 11 1- 130. 7. Walsh, D. , ‘Polymer Blends’, in Comprehensive Polymer Science, Vol. 2, Booth, C. (Eds).