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An Introduction Chemistry of the Silicones

Rochow, Eugene G.

History

Macnutt Press

An Introduction Chemistry Of The Silicones

<p>An Introduction to the CHEMISTRY of the SILICONES By EUGENE G. ROCHOW. PREFACE: The organic compounds of silicon, which have been the subject of many scholarly researches during the past 80 years, at last show promise of emerging from the laboratory and finding a place in industry. An understanding of the behavior of organosilicon materials is necessary to their intelligent use and, inasmuch as the chemistry of these substances ordinarily is not treated in our textbooks, it is possible that a compact yet comprehensive survey of our present knowledge in this field would be of service to chemists, engineers, and industrial designers. This volume has just such a purpose. The first few chapters review the silanes and their derivatives in some detail, in order to provide an understanding of the fundamental chemistry of the nonsilicate com pounds of silicon. The later chapters emphasize the silicone polymers which have achieved commercial importance and deal with the methods for their preparation, their chemical and physical properties, and their possible usas. The processes available for large-scale production are treated separately, and a review of methods of analysis is included. In order not to burden the text with definitions and explanations of nomenclature which might already be familiar to some readers, an extensive glossary of terms is appended. An exhaustive review of the literature on organic compounds of sili con cannot very well be included in a volume intended for the non specialist. However, many references are provided, and tables of most of the known compounds and their properties are included in the appropriate chapters. The reader will find comprehensive reviews of publications in Friends Textbook of Inorganic Chemistry, Volume 11, Part 2 Krause and von Grossed Chemie der Metallorgamschen Ver bindungen, Dolgows Chemistry of the Silica-Organic Compounds, and Bygdens Silizium als Vertreter des Kohlenstoffs organischen Verbindun gen. A more recent and more complete compilation of the literature on organic compounds of silicon would be welcomed by every investigator in the field. Since this work presents a point of view rather than an uncritical compilation of published fact, the author must assume entire responsi bility for the opinions expressed. However, he is greatly indebted to his coworkers iu the research laboratory of the General Electriq Company for helpful advice and criticisms. In a larger sense this work is the result of many years of common endeavor in a most interesting field of research. Contents include: 1. THE SIMPLE COVALENT COMPOUNDS OF SILICON 1 Introduction 1 Chemical Behavior of the Element 3 The Hydrides 4 The Halides 9 The Esters or Ethers 12 Index of Representative Compounds 16 2. THE ORGANOSILICON MONOMERS 18 Methods for Carbon-Silicon Bonds 19 The Alkyls 30 The Alkylsilanes 32 The Alkylhalosilanes 33 The Alkylalkoxysilanes 37 Index of Representative Compounds 39 3. TYPES OF ORGANOSI LICON POLYMERS 45 Silicon Chains 45 Silicon-Carbon Chains 46 Siloxane Chains 49 Siloxane Networks 53 Index of Representative Compounds 58 4. PROPERTIES OF THE SPECIFIC SILICONS POLYMERS 60 Alkyl Silicones 62 Methyl Silicone Oil 64 Methyl Silicone Resins 70 Silicone Rubber 72 Ethyl Silicone Resins 73 Other Alkyl Silicone Resins 74 Aryl Silicones 77 Alkyl-Aryl Silicones 80 5. WATER-REPELLENT FILMS FROM ORGANOSILICON MATERIALS 83 Reaction of Methylchlorosilanes 83 Uses 85 6. TECHNICAL ASPECTS OF SILICONES 89 The Intermediates 90 The Grignard Method 91 The Direct Method 96 Processing 101 Toxicity 103 Future Expansion 104 ix</p>

<p>An Overview for the General Reader The fact that silicone rubber boots made those footprints on the moon, and that other silicone polymers made possible the construc tion and functioning of space suits and space vehicles, has led to the general belief that silicones are very modem materials conjured up to meet the needs of space travel. Actually, though, silicone chemis try has deep roots in human history, dating from the dawn of the race and extending through all of geology, mineralogy, and the ancient ceramic arts. This little book seeks to put the development of silicone materials in perspective as part of the fascinating involvement of the element silicon in our daily lives, from the stuff the earth and the moon are made of to the modem use of ultra pure silicon in transistors and computers, and the use of ordi nary elementary silicon to make silicone rubber, silicone oil, sili cone resins, and silicon or silicone-containing polishes, drugs, and fragrances. Of course these are not our only connections with silicon. The natural compounds of silicon and oxygen (the silicates) are the starting materials for making bricks, tile, cement, glass, and a host of modem ceramic products. The widespread usefulness of silicon and its compounds comes about for two reasons: first, there is so much of it, and second, it is so versatile.</p>

Silicon and Silicones: About Stone-age Tools, Antique Pottery, Modern Ceramics, Computers, Space Materials and How They All Got That Way

Science & Math

Chemistry

Springer

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Books by Rochow, Eugene G.

See the best price to sell, buy, or rent books by Rochow, Eugene G.. BookScouter helps to compare book prices from 25+ online bookstores and 30+ buyback vendors with a single search.

An Introduction Chemistry of the Silicones

An Introduction Chemistry of the Silicones

Silicon and Silicones: About Stone-age Tools, Antique Pottery, Modern Ceramics, Computers, Space Materials and How They All Got That Way