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Colorants for Non-Textile Applications (Hardcover)
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Colorants for Non-Textile Applications (Hardcover)
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This volume examines the chemistry of natural and synthetic dyes
produced for non-textile markets, where much new basic research in
color chemistry is now taking place.
The first group of chapters covers the design, synthesis,
properties and application technology pertaining to dyes for
digital printing and photography. The reader will be pleased with
the breadth and depth of information presented in each case. Of
particular interest is the discussion of strategies for the design
of dyes in these categories, with emphasis on enhancing technical
properties. In view of certain new developments, the ink-jet
chapter includes results from studies pertaining to dyes for
textiles.
The three chapters comprising Section II of this volume cover the
broad subject of dyes for food, drug and cosmetic applications and
then provide an in-depth look at dyes for biomedical applications
and molecular recognition. The chapter on dyes for molecular
recognition places emphasis on applications in the biological
sciences, including sensory materials and artificial receptors.
While the former two topics have been covered elsewhere in the
past, the present chapters are unequalled in scope.
Section III provides an in-depth review of the design of laser
dyes and dye-based functional materials. In the first of the two
chapters, the major principles of laser operation are summarized.
This is followed by a discussion of spectroscopic properties, such
as activation and deactivation of absorbed light by laser dyes.
Approaches to the development of new laser dyes are presented. The
second chapter pertains to the synthesis of dicyanopyrazine-based
multifunctional dyes. The visible and fluorescence spectra of these
dyes in solution and the solid state are correlated with their
three-dimensional molecular structures. Molecular stacking behavior
and solid state properties of these "multifunctional" dye materials
are presented.
The final group of chapters pertains to natural dyes and dyes for
natural substrates. In recent years, the impression among certain
consumers that "natural" is better/safer has generated much
interest in the use of natural dyes rather than synthetics. This
has led to a few short discussion papers in which the environmental
advantages to using natural dyes have been questioned. The initial
chapter in this group provides both a historical look at natural
dyes and a comprehensive compilation of natural dye structures and
their sources. Though natural dyes are of interest as colorants for
textiles, selected ones are used primarily in food and
cosmetics.
Chapter ten provides an update on the author's previous reviews of
structure-color-relationships among precursors employed in the
coloration of hair. Chemical constitutions characterizing hair dye
structures are presented, along with a summary of available
precursors and their environmental properties. Similarly, the
chapter on leather dyes covers constitutions and nomenclature, in
addition to providing interesting perspectives on the origin and
use of leather, the dyeing of leather, and key environmental
issues.
This volume is concluded with another look at colors in nature. In
this case, rather than revisiting colors in plant life, an
interesting chapter dealing with color in the "absence of
colorants" is presented. Chapter twelve covers basic concepts of
color science and illustrates how 3-D assemblies leading to a
plethora of colors are handled in nature. It is our hope that this
atypical "color chemistry" chapter will invoke ideas that lead to
the design of useful colorants.
The chapters presented in this volume demonstrate that color
chemistry still has much to offer individuals with inquiring minds
who are searching for a career path. This work highlights the
creativity of today's color chemists and the wide variety of
interesting non-textile areas from which a career can be
launched.
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