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Liquid Crystalline and Mesomorphic Polymers (Paperback, Softcover reprint of the original 1st ed. 1994)
Loot Price: R2,812
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Liquid Crystalline and Mesomorphic Polymers (Paperback, Softcover reprint of the original 1st ed. 1994)
Series: Partially Ordered Systems
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Among the various new directions in modern polymer science, the
design and investigation of liquid crystal (LC) polymers have been
the ones growing most actively and fruitfully. In spite of that,
the possible formation of an anisotropic LC phase was only
demonstrated theoretically for the first time in the 1950s by
Onsager [1] and Flory [2], and then experimentally verified in the
studies with polypeptides solutions. In essence, the studies of
these LC lyotropic systems did not deviate from the theme of purely
academic interest. It was at the beginning of the 1970s that the
experimental "explosion" occurred, when aromatic polyamides were
synthesized and their ability to form LC solutions in certain very
aggressive solvents was discovered. The search for practical
applications of such LC systems was crowned with the successful
creation of the new generation of ultrastrong high-modulus ther
mostable fibers, such as the Kevlar, due to the high degree of
order of the macromolecules in the anisotropic LC state. In fact,
these investigations coincided with the swift emergence on the
practical "scene" of thermotropic low-molar-mass liquid crystals,
with the use of these materials in microelectronics and electro
optics (figures and let ters indicators, displays in personal
computers, and flat TV, etc.). Polymer scientists also began to
develop methods of synthesizing thermotropic LC polymers by
incorporating mesogenic fragments in the main (main-chain LC
polymers) or side branchings of the macromolecules (side-chain or
comb shaped polymers).
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