Download or read book Natural and Synthetic Waxes written by Ernst Krendlinger and published by John Wiley & Sons. This book was released on 2023-01-10 with total page 709 pages. Available in PDF, EPUB and Kindle. Book excerpt: Natural and Synthetic Waxes A compilation of all relevant information for the production and use of waxes in technical applications Waxes are among the oldest organic substances used by mankind. Before all others, beeswax is known to have played a role in human history for thousands of years. But over time, many other wax species have been detected and exploited, and prepared for different utilizations. Today, we possess knowledge of a great variety of different types of waxes. Unfortunately, there still is no broadly accepted definition of a wax: for the relatively few wax chemists, waxes are usually defined by their physico-chemical properties more than by their chemical constitution. Waxes are not uniform but oligomeric and polymeric substances, not simply describable with a chemical formula. The realm of waxes encompasses fully or partly natural, refined, partly or fully synthetic products, which can be extended by “wax-like” products which do not fulfil all definition criteria. Waxes are offered in different forms like pellets, granules, powders, or micropowders. Their number of technical applications runs into thousands. However, waxes in most cases are just adjuvants or additives, and with few exceptions like candles not known to a broader public. Only few publications over the last decades tried to present a more comprehensive overview of heir chemistry, chemical composition, their physical and analytical properties, their applications, and their sometimes astonishing history. Based on personal experience and expertise, the authors intend to present an overview on the main classes of waxes, their origin, history, future, and potential fate. Economical aspects like market size and development, ecological impacts and challenges, and regulatory issues are also addressed. Waxes are indispensable products in everyday life and in industry and technology, though mostly not even visible or distinguishable to experts. They deserve more than the role of a “poor cousin” in chemistry and technology.

Download or read book Commercial Waxes Natural and Synthetic Including Properties Uses Methods of Handling and Formulas for Making Commercial Wax Compositions written by Harry Bennett and published by . This book was released on 1944 with total page 612 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Modern Technology of Synthetic Resins Their Applications 2nd Revised Edition written by NIIR Board and published by ASIA PACIFIC BUSINESS PRESS Inc.. This book was released on 2018-04-20 with total page 592 pages. Available in PDF, EPUB and Kindle. Book excerpt: Synthetic resin is typically manufactured using a chemical polymerization process. This process then results in the creation of polymers that are more stable and homogeneous than naturally occurring resin. Since they are more stable and are cheaper, various forms of synthetic resin are used in a variety of products such as plastics, paints, varnishes, and textiles. There are various kinds of synthetic resins; acetal resins, amino resins, casein resins, epoxy resins, hydrocarbon resins, polyamide resins, etc. The classic variety is epoxy resin, manufactured through polymerization, used as a thermoset polymer for adhesives and composites. Epoxy resin is two times stronger than concrete, seamless and waterproof. Polyamide resin is another example of synthetic resins. Polyamide resins are products of polymerization of an amino acid or the condensation of a diamine with a dicarboxylic acid. They are used for fibers, bristles, bearings, gears, molded objects, coatings, and adhesives. The term nylon formerly referred specifically to synthetic polyamides as a class. Because of many applications in mechanical engineering, nylons are considered engineering plastics. Resins are valued for their chemical properties and associated uses, such as the production of varnishes, adhesives, lacquers, paints, rubber and pharmaceutical uses. The applications of synthetic resins are seen in some important industries like paint industry, adhesive industry, the printing ink industry, the textile industry, the leather industry, the floor polish, paper, agricultural industry etc. As it can be seen that there is an enormous scope of application of resins hence it is one of the major field to venture. Synthetic Resins are materials with properties similar to natural plant resins. They are viscous liquids capable of hardening permanently. Chemically they are very different from resinous compounds secreted by plants. Synthetic resins are of several classes. The growth of the synthetic resins market can be attributed to the high demand from the packaging sector due to favorable properties, including lightweight and ability to act as an excellent barrier, which allows for their usage in applications such as barrier packaging, shrink wraps, and pharmaceutical packaging. The major contents of the book are properties, manufacturing process, formulae of synthetic resins and applications of synthetic resins, derivatives of resins, use of resins in polymer field, alkyd resin technology, epoxy resins, manufacture of polystyrene based ion-exchange, phenol formaldehyde reactions, polycarbonates resins, polyester coating compositions, synthetic rubbers, modification with synthetic resins, water-soluble polymers, cross-linking of water-soluble coatings etc. This book also contains the list of manufacturers and dealers of raw materials, list of Chemical Plant, Photographs of Machinery with Suppliers Contact Details, Sample Plant Layout and Process Flow Chart. The book will be very useful for new entrepreneurs, manufacturers of synthetic resins who can easily extract the relevant formulation and manufacturing process from the book. 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Download or read book Code of Federal Regulations Title 15 Commerce and Foreign Trade Pt 300 799 Revised as of January 1 2012 written by Office of the Federal Register (U.S.) Staff and published by Government Printing Office. This book was released on 2012-05-10 with total page 996 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Petroleum Wax Candles from China Inv 731 TA 282 Second Review written by and published by DIANE Publishing. This book was released on with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Encyclopedia of Materials Parts and Finishes Second Edition written by Mel Schwartz and published by CRC Press. This book was released on 2002-04-29 with total page 938 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the past two decades, higher processing temperatures, more efficient engines at higher temperatures, and the use of a vacuum environment have led to the development of a number of important processing, fabrication, and industrial techniques, resulting in new material forms including: matrix composites, nano- and functionally graded structures, plastics, smart piezoelectric materials, shape memory alloys, intermetallics, ceramics, and fullerenes. The second edition of this encyclopedia covers the new materials that have been invented or modified in recent years and updates information on basic materials as well. Encyclopedia of Materials, Parts, and Finishes, Second Edition brings together in one concise volume the most up-to-date information on materials, forms and parts, finishes, and processes utilized in the industry. There is not a handbook currently on the market that incorporates as much materials information in one volume. The coverage of materials usage extends from the breadth of military and aerospace materials to commercial (aircraft, automotive, electronics) and basic materials (wood, rubber, etc.). Each entry provides thorough, straightforward definitions along with examples of corresponding materials, parts, or finishes. Like its predecessor, this encyclopedia will be an invaluable reference that belongs on the desk of every materials scientist and engineer.

Download or read book Foreign Commerce and Navigation of the United States written by United States. Bureau of the Census and published by . This book was released on 1970 with total page 842 pages. Available in PDF, EPUB and Kindle. Book excerpt: The statistics of "Immigration and passenger movement" are included in the report on foreign commerce to 1895, and for 1893-1894 are also published separately.

Download or read book Chemical Industries written by and published by . This book was released on 1950 with total page 798 pages. Available in PDF, EPUB and Kindle. Book excerpt: Some vols. include Buyers' guide.

Download or read book Foreign Commerce Weekly written by and published by . This book was released on 1944 with total page 642 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Food Lipids written by Casimir C. Akoh and published by CRC Press. This book was released on 2008-03-17 with total page 930 pages. Available in PDF, EPUB and Kindle. Book excerpt: Maintaining the high standards that made the previous editions such well-respected and widely used references, Food Lipids: Chemistry, Nutrition, and Biotechnology, Third Edition tightens its focus to emphasize lipids from the point of entry into the food supply and highlights recent findings regarding antioxidants and lipid oxidation. Always representative of the current state of lipid science, this edition provides four new chapters reflecting the latest advances in antioxidant research. New chapters include: Polyunsaturated Lipid Oxidation in Aqueous Systems, Tocopherol Stability and the Prooxidant Mechanisms of Oxidized Tocopherols in Lipids, Effects and Mechanisms of Minor Compounds in Oil on Lipid Oxidation, and Total Antioxidant Evaluation and Synergism. The most comprehensive and relevant treatment of food lipids available, this book highlights the role of dietary fats in foods, human health, and disease. Divided into five parts, it begins with the chemistry and properties of food lipids covering nomenclature and classification, extraction and analysis, and chemistry and function. Part II addresses processing techniques including recovery, refining, converting, and stabilizing, as well as chemical interesterification. The third Part has been renamed and expanded to honor the growing data on oxidation and antioxidants. Part IV explores the myriad interactions of lipids in nutrition and health with information on heart disease, obesity, and cancer, and Part V continues with contributions on biotechnology and biochemistry including a chapter on the genetic engineering of crops that produce vegetable oil. Revised and updated with new information and references throughout the text, this third edition of a bestselling industry standard once again draws on the contributions of leading international experts to establish the latest benchmark in the field and provide the platform from which to further advance lipid science.

Download or read book Foreign Commerce Weekly written by United States. Department of Commerce and published by . This book was released on 1951 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Technical Manual and Year Book of the American Association of Textile Chemists and Colorists written by American Association of Textile Chemists and Colorists and published by . This book was released on 1957 with total page 680 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Foreign Commerce Study written by United States. Congress. Senate. Committee on Interstate and Foreign Commerce and published by . This book was released on 1960 with total page 994 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Edible Coatings and Films to Improve Food Quality Second Edition written by Elizabeth A. Baldwin and published by CRC Press. This book was released on 2011-08-24 with total page 463 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the publication of the first edition of this text, ever-increasing coatings research has led to many developments in the field. Updated and completely revised with the latest discoveries, Edible Coatings and Films to Improve Food Quality, Second Edition is a critical resource for all those involved in buying, selling, regulating, developing, or using coatings to improve the quality and safety of foods. Topics discussed in this volume include: The materials used in edible coatings and films The chemical and physical properties of coatings and how the coating or film ingredients affect these properties How coatings and films present barriers to gases and water vapors How coatings and films can improve appearance, or conversely, result in discoloration and cause other visual defects, as well as how to avoid these problems The use of coatings and films on fresh fruit and vegetables, fresh-cut produce, and processed foods How to apply coatings to various commodities How coatings can function as carriers of useful additives, including color, antioxidants, and flavorings Regulation of coatings and coating ingredients by various governing bodies The information contained in this volume is destined to encourage further advances in this field for food and pharmaceutical products. Aggressive research into these products can help to reduce plastic waste, improve applications, lead to greater efficacy, and make regulatory decisions easier in a global climate—ultimately resulting in economical, heightened quality of food and pharmaceutical products.

Download or read book Library Journal written by Melvil Dewey and published by . This book was released on 1955 with total page 1450 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes, beginning Sept. 15, 1954 (and on the 15th of each month, Sept.-May) a special section: School library journal, ISSN 0000-0035, (called Junior libraries, 1954-May 1961). Also issued separately.

Download or read book International Commerce written by and published by . This book was released on 1967 with total page 966 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Technical Manual and Year Book of the American Association of Textile Chemists and Colorists written by and published by . This book was released on 1948 with total page 590 pages. Available in PDF, EPUB and Kindle. Book excerpt: