Oriented Polymer Materials
Stoyko Fakirov, "Oriented Polymer Materials"
English | 1998 | ISBN: 352729693X | PDF | pages: 537 | 27,6 mb
English | 1998 | ISBN: 352729693X | PDF | pages: 537 | 27,6 mb
The orientation phenomenon is a basic inherent peculiarity of polymers, arising from the chain character of macromolecules and their ability to adopt different conformations - from a coil to an extended chain. The realization of these two extreme conformations or some intermediate ones determines to the greatest extent the mechanical properties of polymers as materials. In addition to the synthesis of new polymers, orientation is a basic approach to the obtaining of polymeric materials with superior properties. Incidentally, the outstanding mechanical properties of liquid crystalline polymers do not stem directly from their chemical composition, but are related to their unique ability of perfect orientation due to the peculiarities of their chemical composition.
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