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Dyes and tannins

Author: P. C. M. Jansen
Publisher: PROTA
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Lichen Dyes

Author: Karen Diadick Casselman
Publisher: Courier Corporation
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Noted textile designer and lichen expert explains how to create and use dyes derived from lichens. Text covers history of the use of lichen pigments, safe dyeing methods, ecologically sound dyeing, and use of mordants, lichen identification, and more. Text also offers a fascinating history of Asian and European lichen pigments, Scottish, Irish, and Scandinavian domestic lichen dyes, and others.


Synthetic Dyes

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Publisher: Mittal Publications
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Infrared Absorbing Dyes

Author: Masaru Matsuoka
Publisher: Springer Science & Business Media
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New laser technology has developed a new dye chemistry! Development of the gallium-arsenic semiconductor laser (diode laser) that emits laser light at 780-830 nm has made possible development of new opto-electronic systems including laser optical recording systems, thermal writing display systems, laser printing systems, and so on. Medical applications of lasers in photodynamic therapy for the treatment of cancer were also developed. In such systems, the infrared absorbing dyes OR dyes) are currently used as effective photoreceivers for diode lasers, and will become the key materials in high technology. At the present time the chemistry of IR dyes is the most important and interesting field in dye chemistry. Laser light can be highly monochromatic, very well collimated, coher ent, and, in some cases, extremely powerful. These characteristics make diode lasers a very cheap, convenient, and useful light source for a variety of applications in science and technology. For these purposes, however, IR dyes with special characteristics are required. To develop new IR dyes, it is most important to establish the correlation between the chemical structures of dyes and other characteristics of dyes, such as their absorption spectra. Molecular design of IR dyes predicting the Amax and Emax values by molecular orbital (MO) calculations is now possible even by using a personal computer, and many types of new IR dyes have been demonstrated. Also, new opto-electronic systems using IR dyes as photoreceivers have been reported recently.


Liquid Chromatography of Natural Pigments and Synthetic Dyes

Author: Tibor Cserháti
Publisher: Elsevier
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This latest volume in the series entitled Liquid Chromatography of Natural Pigments and Synthetic Dyes presents an overview of the latest developments in the field while critically evaluating this method of analysis and providing comparisons of the various liquid chromatographic separation techniques that are currently available. Natural pigments and synthetic dyes are extensively used in various fields of everyday life including food production, textile industry, paper production, agricultural practice and research and water science and technology. Besides their capacity for increasing the marketability of products, natural pigments have shown advantageous biological activity as antioxidants and anticancer agents. On the negative side, synthetic pigments have a significant impact on the environment and can cause adverse toxicological side effects. Both pigment classes exhibit considerable structural diversity. As the stability of the pigments against hydrolysis, oxidation and other environmental and technological conditions is markedly different, the exact determination of the pigment composition may help for the prediction of the shelf-life of products and the assessment of the influence of technological steps on the pigment fractions resulting in more consumer friend processing methods. Furthermore, the qualitative determination and identification of the pigments may contribute to the establishment of the provenance of the product. The unique separation capacity of liquid chromatographic (LC) techniques makes it a method of preference for the analysis of pigments in any complicated accompanying matrices. * an overview of the latest developments in the field * a critical evaluation of results from this form of analysis * a comparison of the various LC (liquid chromatographic) separation techniques * future trends in the LC analysis of pigments


Heterocyclic Polymethine Dyes

Author: Lucjan Strekowski
Publisher: Springer Science & Business Media
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Heterocyclic chemistry is the biggest branch of chemistry covering two-thirds of the chemical literature and this book covers the hot topics of frontier research summarized by reputed scientists in the field.


Dichroic Dyes for Liquid Crystal Displays

Author: Aleksandr V. Ivashchenko
Publisher: CRC Press
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This book provides a systematic presentation of issues pertaining to the development of dichroic dyes applied in electrooptical systems for displaying and processing data. It explains the theory of the guest-host effect and the methodology of engineering dichroic dye (DD) molecules with specified characteristics. The book then examines the properties of currently known DDs, including the most interesting examples of synthesis. Various aspects of designing LCM for guest-host devices and available designs of guest-host LCDs are considered as well. Characteristics of dichroic dyes are presented in the Appendix as an added benefit to readers.


Natural Dyes and Home Dyeing

Author: Rita J. Adrosko
Publisher: Courier Corporation
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All the information ever needed to extract dyestuffs from common trees, flowers, lichens, and weeds to create beautifully dyed materials. The heart of the book is 52 recipes for dyes made from natural, easily obtained dyestuffs.


Environmental Chemistry of Dyes and Pigments

Author: Abe Reife
Publisher: John Wiley & Sons
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In the last two decades the EPA and other national andinternational agencies have placed increasingly strict regulationson the manufacture and use of synthetic colorants. The pigment anddye industry has had to develop the technology necessary to analyzeand remediate pollutants in wastewater. Although these efforts haveproduced a considerable volume of information, until now, no singlebook has provided an organized, comprehensive treatment of theenvironmental chemistry of synthetic colorants. Environmental Chemistry of Dyes and Pigments is the firstcomprehensive reference to address the environmental problems posedby synthetic colorants, and to provide a forum for the solutionsproposed by industry, government, and academia. Focusing ondevelopments in the field over the past two decades, it deals withall aspects of colored wastewater treatment, the disposal of dyes,analytical methods, toxicity, and regulatory questions. In its coverage of wastewater treatment, this book addresses boththe most commonly used methods and those specifically designed toaddress pollution problems at the source by analyzing for andremoving dyes and pollutants from wastewater effluent. Throughout,real-world data on a wide variety of dyes and dye intermediates isprovided, as well as cost-effective strategies for dealing withwastewater treatment. In addition, several chapters are devoted to the perspectives ofnational and international experts on regulations governing themanufacture, handling, use, and disposal of synthetic dyes andpigments. The impact these regulations have had on both U.S. andforeign industry is also discussed. A complete, comprehensive, and up-to-date guide to pollutionprevention in the dyestuff and textile industries Environmental Chemistry of Dyes and Pigments is the onlyself-contained volume that focuses on the environmental impact ofsynthetic dyes and pigments. Contributions by international expertsfrom industry, academia, and government make this an indispensablebook for anyone dealing with the environmental problems posed bysynthetic colorants. It covers the entire range of environmentalissues, from waste treatment and analysis to pollution preventionand government regulations. Covers the latest wastewater treatment methods Shows how to use recycling and reusing methods effectively, whilecutting production costs Describes state-of-the-art technology, including the PACT(r)system Explains analysis techniques, including spectrometry andionization Covers legislative issues and the regulatory status of variouscompounds in both the United States and abroad Examines the various pollution prevention programs instituted bygovernment and industry Bridging the gap between industrial interests and environmentalconcerns, Environmental Chemistry of Dyes and Pigments stands as aninvaluable resource for scientists, researchers, and engineers inthe textile and dyestuff industries, and in the environmentalsciences. It is also an extremely useful text for environmentalscience students.


Dyes

Author: Ruth Kassinger
Publisher: Twenty-First Century Books
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Size: 28,51 MB
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People have been making textiles since around 6000 B.C. In time they learned to use plant and animal materials to dye them. In Dyes: from Sea Snails to Synthetics, Kassinger covers the history of dyes from early times to the present. She also relates some of the myths associated with dyes and explains the science behind their production and use. Book jacket.