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Polymer Photodegradation - Mechanisms and experimental methods (Paperback, Softcover reprint of the original 1st ed. 1995)
Loot Price: R14,144
Discovery Miles 141 440
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Polymer Photodegradation - Mechanisms and experimental methods (Paperback, Softcover reprint of the original 1st ed. 1995)
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During the last two decades, the production of polymers and
plastics has been increasing rapidly. In spite of developing new
polymers and polymeric materials, only 40 60 are used commercially
on a large scale. It has been estimated that half of the annual
production of polymers is employed outdoors. The photochemical
instability of most polymers limits their outdoor application as
they are photodegraded quickly over periods from months to a few
years. To the despair of technologists and consumers alike,
photodegradation and environmental ageing of polymers occur much
faster than can be expected from knowledge collected in
laboratories. In order to improve polymer photostability there has
been a very big effort during the last 30 years to understand the
mechanisms involved in photodegradation and environmental ageing.
This book represents the author's attempt, based on his 25 years'
experience in research on photodegradation and photo stabilization,
to collect and generalize a number of available data on the
photodegradation of polymers. The space limitation and the
tremendous number of publications in the past two decades have made
a detailed presentation of all important results and data
difficult. The author apologizes to those whose work has not been
quoted or widely presented in this book. Because many published
results are very often contradictory, it has been difficult to
present a fully critical review of collected knowledge, without
antagonizing authors. For that reason, all available theories,
mechanisms and different suggestions have been presented together,
and only practice can evaluate which of them are valid.
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