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There is a large and increasing variety of polymers currently in
use both for domestic and industrial applications. The properties
of polymers are deter mined not only by their chemical type, but
also by their molecular mass and molecular mass distributions.
However, while the chemical type of polymers can be determined
relatively easily, the average molecular masses and molecular mass
distributions are more difficult to measure. The molecular mass
averages of a polymer are measured by specialized and complex
techniques such as light scattering (for weight average) and
osmometry (for number average). Thus, complete characterization of
the molecular mass distribution of a polymer by such means requires
separating the sample into many fractions which can then be
examined individually. Since size exclusion chromatography was
introduced as a rapid and straightforward technique for the
characterization of polymer molecular mass distributions, there
have been tremendous increases in development and applications, and
it was felt appropriate to bring together into a single volume the
information required by scientists from many disciplines who wish
to use the technique. This book should be useful to existing users,
those who are new to the technique, and those who may be familiar
with the basic technique and now wish to extend their capabilities
to more complex applications (or to consider the potential of a
number of related techniques). The book will also be of general
interest to the experienced liquid chromatographer.
Polymers continue to play an ever increasing role in the modern
world. In fact it is quite inconceivable to most people that we
could ever have existed of the increased volume and variety of
materials without them. As a result currently available, and the
diversity of their application, characterisation has become an
essential requirement of industrial and academic laboratories in
volved with polymeric materials. On the one hand requirements may
come from polymer specialists involved in the design and synthesis
of new materials who require a detailed understanding of the
relationship between the precise molecular architecture and the
properties of the polymer in order to improve its capabilities and
range of applications. On the other hand, many analysts who are not
polymer specialists are faced with the problems of analysing and
testing a wide range of polymeric materials for quality control or
material specification purposes. We hope this book will be a useful
reference for all scientists and techno or industrial laboratories,
logists involved with polymers, whether in academic and
irrespective of their scientific discipline. We have attempted to
include in one volume all of the most important techniques.
Obviously it is not possible to do this in any great depth but we
have encouraged the use of specific examples to illustrate the
range of possibilities. In addition numerous references are given
to more detailed texts on specific subjects, to direct the reader
where appropriate. The book is divided into II chapters."
Polymers continue to play an ever increasing role in the modern
world. In fact it is quite inconceivable to most people that we
could ever have existed of the increased volume and variety of
materials without them. As a result currently available, and the
diversity of their application, characterisation has become an
essential requirement of industrial and academic laboratories in
volved with polymeric materials. On the one hand requirements may
come from polymer specialists involved in the design and synthesis
of new materials who require a detailed understanding of the
relationship between the precise molecular architecture and the
properties of the polymer in order to improve its capabilities and
range of applications. On the other hand, many analysts who are not
polymer specialists are faced with the problems of analysing and
testing a wide range of polymeric materials for quality control or
material specification purposes. We hope this book will be a useful
reference for all scientists and techno or industrial laboratories,
logists involved with polymers, whether in academic and
irrespective of their scientific discipline. We have attempted to
include in one volume all of the most important techniques.
Obviously it is not possible to do this in any great depth but we
have encouraged the use of specific examples to illustrate the
range of possibilities. In addition numerous references are given
to more detailed texts on specific subjects, to direct the reader
where appropriate. The book is divided into II chapters."
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