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Fractal Analysis & Synergetics of Catalysis in Nanosystems (Hardcover, Illustrated Ed)
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Fractal Analysis & Synergetics of Catalysis in Nanosystems (Hardcover, Illustrated Ed)
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Nanochemistry is a science connected with obtaining and studying of
physical-chemical properties of particles having sizes on the
nanometer scale. This book addresses polymer synthesis which,
according to Melikhov's classification, is automatically part of
nanochemistry. This is determined as far as polymeric
macromolecules (more precisely macromolecular coils) belong to
nanoparticles and polymeric sols and gels - to nanosystems.
Catalysis on nanoparticles is one of the most important sections of
nanochemistry. The majority of catalytic systems are nanosystems.
At heterogeneous catalysis the active substance is tried to deposit
on carrier in nanoparticles form in order to increase their
specific surface. At homogeneous catalysis active substance
molecules have often in themselves nanometer sizes. The most
favorable conditions for homogeneous catalysis are created when
reagent molecules are adsorbed rapidly by nanoparticles and are
desorbed slowly but have high surface mobility and, consequently,
high reaction rate on the surface and at the reaction molecules of
such structure are formed at which desorption rate is increased
sharply. If these conditions are realised in nanosystem with larger
probability than in macrosystem, then nanocatalyst has the raising
activity that was observed for many systems.
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