Books > Science & Mathematics > Chemistry > Organic chemistry > Polymer chemistry
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Cyclic Polymers (Paperback, Softcover reprint of the original 1st ed. 1986)
Loot Price: R2,987
Discovery Miles 29 870
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Cyclic Polymers (Paperback, Softcover reprint of the original 1st ed. 1986)
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Total price: R3,007
Discovery Miles: 30 070
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Synthetic polymers based on long chain molecules have been
investigated intensively for over 50 years. They have found
important applications as plastics, fibres, rubbers and other
materials. The chain molecules may be simple linear structures or
they may be branched or cross-linked. During the past decade, sharp
fractions of the first synthetic cyclic polymer have been prepared.
These fractions of cyclic poly(dimethyl siloxane) consist of ring
molecules containing hundreds of skeletal bonds. Some of their
properties have been found to be quite different from those of the
corresponding linear polymers. Synthetic cyclic polymers, including
cyclic polystyrene, have joined the naturally occurring circular
DNAs as examples of substantially large ring molecules. This book
aims to review current knowledge of cyclic polymers and biological
ring macromolecules. In addition, it discusses theories of cyclic
macromolecules and describes cyclization processes involving long
chain molecules. Since 1865, when Kekule proposed a simple ring
structure for benzene, larger and larger ring molecules have been
synthesized in the laboratory and discovered in nature. Many more
examples are to be expected in the future. In time, large ring
molecules should take their proper place alongside long chain
molecules as one of the two possible constituent structural units
of polymers."
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