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Photostabilization of Polymers - Priciples and Application (Paperback, Softcover reprint of the original 1st ed. 1990)
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Photostabilization of Polymers - Priciples and Application (Paperback, Softcover reprint of the original 1st ed. 1990)
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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. Increasing the
stability of polymers and plastics towards heat, light, atmospheric
oxygen and other environmental agents and weathering conditions has
always been a very important problem. The photochemical instability
of most of polymers limits them to outdoor application, where they
are photo degraded fast over periods ranging from months to a few
years. To the despair of technologists and consumers alike,
photodegrada tion and environmental ageing of polymers occur much
faster than can be expected from knowledge collected in
laboratories. In many cases, improved methods of preparation and
purification of both monomers and polymers yield products of better
quality and higher resistance to heat and light. However, without
stabilization of polymers by applica tion of antioxidants (to
decrease thermal oxidative degradation) and photostabilizers (to
decrease photo-oxidative degradation) it would be impossible to
employ polymers and plastics in everyday use.
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