Download or read book Gum Naval Stores written by J. J. W. Coppen and published by Fao. This book was released on 1995 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pinus is one of the most widely distributed genera of trees in the northern hemisphere, extending from the polar region to the tropics and including Central and North America, Europe and Asia. It is also one of the most widely planted exotics for timber and pulp purposes and large areas of pine are therefore found outside their natural range in South America, Africa and Australasia. In addition to their use for wood, pine trees are a valuable source of non-wood forest products: they can be tapped for resin, which can then be distilled to produce gum turpentine and gum rosin. Gum Naval Stores: Turpentine and Rosin from Pine Resin provides information on the technical and economic aspects of pine resin production including the tapping of trees and the distillation of the resin. It also reviews recent trends in world production and markets for gum turpentine and gum rosin. The book is intended for prospective new producers of turpentine and rosin, and for organizations and individuals appraising projects involving their production. It is particularly intended for those in developing countries.
Download or read book Handbook on Oleoresin and Pine Chemicals Rosin Terpene Derivatives Tall Oil Resin Dimer Acids written by H. Panda and published by ASIA PACIFIC BUSINESS PRESS Inc.. This book was released on 2008-10-01 with total page 285 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pines are known to mankind from the time immemorial. It offers both direct uses, as well as indirect uses specially soil conservation. Initially it was used mainly for fuel; their branches were used for festivals etc. Pines besides being a source of valuable timber, pulpwood, yield pitch, tar, rosin, colophony and turpentine, collectively known as naval stores, a term coined to these owning to their use for construction and maintenance of sailing vessels as sealing compounds for their wooden hulls. The genius pine species tapped for their oleoresin in different countries. A variety of oleoresins are extracted from various plants. Pine oleoresin being the most important one is extracted from pine trees. Turpentine and rosin are two constituent parts of the pine oleoresins. The composition of turpentine varies considerably according to the species of pine exploited. More and more specialised uses are being found for pine resin products, particularly those of high quality. Turpentine derived from pine resin is also used as a source of aroma chemicals in flavour and fragrance industry. Pinewood chemicals are effectively gained from the trees in three principal ways; treatment of exuded gum from living pines, processing the wood stumps and wastes of aged trees and treatment of black liquor obtained as a byproduct in wood pulp industry. There are two steps involved in production of oleoresin; olustee gum cleaning process and recovery of turpentine and rosin: batch and continuous process. The panorama of base catalysed isomerisations of terpenes is an important part of aroma chemistry. Major contributions in this area are presented here under sections on hydrocarbons, alcohols, aldehydes, ketones, acids, esters and epoxides. Tall oil is a by product of the pine wood use to make sulfate pulp. Tall oil products find use in many product applications because of their economy and ready availability. The principal industrial applications of tall oil products are numerous; adhesives, carbon paper, detergents, driers, drilling fluids, oils, gloss oils, paper size, plasticizers, printing inks, soaps, textile oils etc. Some of the fundamentals are pine oleoresin extraction methods, occurrence, formation and exudation of oleoresin in pines, processing of oleoresin, rosin derivatives and its potential, new developments in rosin ester and dimer chemistry, terpene based adhesives, effect of solvent, ozone concentration and temperature on yields were investigated, sylvestrene and some of its derivatives, homopolymers and copolymers of acrylates, polymers and copolymers of vinyl pinolate, base catalysed isomerisations of terpenes, components of pine roots, insecticides based on turpentine, the general characteristics of dimer acids, structure and properties of dimer acids etc. The present book has been published having in views the important uses of pines. The book contains manufacturing process of different products extracted from pines like oleoresin, rosin, turpentine derivatives, tall oil, resins and dimer acids etc. This is the first book of its kind which is very resourceful for all from researchers to professionals. 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Download or read book Natural Products of Woody Plants written by John W. Rowe and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 1275 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wood as found in trees and bushes was of primary importance to ancient humans in their struggle to control their environment. Subsequent evolution through the Bronze and Iron Ages up to our present technologically advanced society has hardly diminished the importance of wood. Today, its role as a source of paper products, furniture, building materials, and fuel is still of major significance. Wood consists of a mixture of polymers, often referred to as lignocellulose. The cellulose micro fibrils consist of an immensely strong, linear polymer of glucose. They are associated with smaller, more complex polymers composed of various sugars called hemicelluloses. These polysaccharides are embedded in an amorphous phenylpropane polymer, lignin, creating a remarkably strong com posite structure, the lignocellulosic cell wall. Wood also contains materials that are largely extraneous to this lignocellulosic cell wall. These extracellular substances can range from less than 1070 to about 35% of the dry weight of the wood, but the usual range is 2% -10%. Among these components are the mineral constituents, salts of calcium, potassium, sodium, and other metals, particularly those present in the soil where the tree is growing. Some of the extraneous components of wood are too insoluble to be ex tracted by inert solvents and remain to give extractive-free wood its color; very often these are high-molecular-weight polyphenolics.
Download or read book Italian Violin Varnishes written by George Fry and published by . This book was released on 1981 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bulletin written by and published by . This book was released on 1907 with total page 1094 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Forest Products Their Manufacture and Use written by Nelson Courtlandt Brown and published by . This book was released on 1927 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book I EC written by and published by . This book was released on 1914 with total page 602 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Protective and Decorative Coatings written by Joseph J. Mattiello and published by . This book was released on 1941 with total page 840 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Naval Stores Review written by and published by . This book was released on 1926 with total page 586 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Chemical Color and Oil Record written by and published by . This book was released on 1925 with total page 1286 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Sustainable Polymers from Biomass written by Chuanbing Tang and published by John Wiley & Sons. This book was released on 2017-02-21 with total page 458 pages. Available in PDF, EPUB and Kindle. Book excerpt: Offering a unique perspective summarizing research on this timely important topic around the globe, this book provides comprehensive coverage of how molecular biomass can be transformed into sustainable polymers. It critically discusses and compares a few classes of biomass - oxygen-rich, hydrocarbon-rich, hydrocarbon and non-hydrocarbon (including carbon dioxide) as well as natural polymers - and equally includes products that are already commercialized. A must-have for both newcomers to the field as well as established researchers in both academia and industry.
Download or read book Chemical Metallurgical Engineering written by Eugene Franz Roeber and published by . This book was released on 1928 with total page 808 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Violin Varnish written by Joseph Michelman and published by Read Books Ltd. This book was released on 2011-03-23 with total page 211 pages. Available in PDF, EPUB and Kindle. Book excerpt: After more than eight years of extensive research on the varnish used by the Italian Violin Makers from 1550 to 1750 A. D., it has not been possible to corroborate the results in the chemical laboratory. This is due entirely to the unavailability of samples of the varnish for confirmatory analysis. Violins made by the Italian masters of this period are so valuable and so scarce that a small sample of the varnish has not been procurable for experimental purposes. Therefore, synthesis must precede analysis . . . . and with no assistance from the latter. This, then, will explain the sub-title of this book as: "A Plausible Re-creation of the Varnish Used by the Italian Makers Between the Years 1550 and 1750 A. D." However, the results of this investigation are so logical and so deeply supported by a vast amount of convincing evidence, that publication of the book is in order. First, possibly the findings will be confirmed, or otherwise, by investigators who may be more fortunate in having access to material from authentic violins made by the old masters. Confirmatory chemical tests will be suggested; it should be comparatively simple, especially through modern micro-analytical methods, to determine the presence of certain constituents in the varnish. The subject matter of this book will of necessity become technical, especially when the theoretical aspects are considered. It is realized that not everyone who will be interested in the rediscovery of the old Italian varnish will also be interested in the scientific deductions and conclusions. For this reason, a chapter will be included in which the preparation of the materials from which the varnish is made, the formulation of the varnish and its application will be reduced to the simplest terms. The old masters who lived several hundred years ago and who possessed none of the advantages of modern technology also used only the simplest technique in varnishing and finishing their violins.
Download or read book The Journal of Industrial and Engineering Chemistry written by and published by . This book was released on 1914 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Agricultural Statistics written by and published by . This book was released on 1969 with total page 644 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Paint Oil and Drug Review written by and published by . This book was released on 1910 with total page 1144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Publications written by E.I. du Pont de Nemours & Company and published by . This book was released on 1915 with total page 846 pages. Available in PDF, EPUB and Kindle. Book excerpt:
