Varnishes. Components, Classification, Applications and Literature

Lingua: inglese

Editore: GRIN Verlag, GRIN Verlag, 2016

3668291411 / 9783668291416

Da: AHA-BUCH GmbH, Einbeck, GermaniaAHA-BUCH GmbH

Venditore con 5 stelle

Venditore AbeBooks dal 14 agosto 2006

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Descrizione dell’articolo da parte del venditore

Druck auf Anfrage Neuware - Printed after ordering - Document from the year 2016 in the subject Chemistry - Organic Chemistry, , language: English, abstract: This book presents the fundamentals and most recent scenario of varnishes. Components, classification, characteristics and applications of varnishes are discussed in the book. It is written in comprehensive manner.Wood is valuable for structural purpose and decorative purpose also. Wood has plant origin. The wood used for building construction is known as Timber. Forests produce a huge quantity of timber. Cellulose, Hemicellulose, Lignin and other substances are the constituents of wood. Aliphatic compounds, phenols, fats, waxes, terpenes, terpenoids etc. are found in woods. Stilbenes, Tannins, Flavonoids and Lignanas are phenolic compounds available in woods.Coating of varnishes is useful for wood, metal and their derivatives. It is also useful for plastic and masonry.Varnish is a formulation of resinous matter, as copal or lac, dissolved in oil or in alcohol or any other liquid. When a varnish is applied to the surface of wood or metal, it dries and leaves a hard and generally transparent coating. It is a shiny coating which is applied on a floor or furniture. It dries clear and luminous. It gives a hard, lustrous and transparent finish to the surface.It gives furniture, wooden materials, artwork and other objects a glossy look. It also protects the surface. Usually varnish is prepared from resin, solvent and oil. The Medieval Latin root word for varnish is 'vernix' that means odorous or fragrant resin.Some varnishes harden immediately as the solvent evaporates. So, it produces a film. The other varnishes harden slowly over a period of time. The process of hardening involves oxidation and polymerization.Shellac, Resin and Lacquer dry immediately. Acrylic and some of the water based varnishes evaporate the water or solvent and dry over a period of time. It is also known as curing process of varnishes. Oil based, polyurethane and epoxy varnishes also dry slowly to hard finish.Generally, the factors like following affect curing process of a varnish:- Temperature- Humidity of atmosphere- Components of varnish.Wood kept outside is normally exposed to big variations of temperatures and weather. It is also exposed to Ultra Violet(UV) rays in the atmosphere. Changes in humidity also affect the wood which results in contraction or expansion of wood. These all factors damage the wood or wooden articles. Hence, varnishes can be used to protect wood and wooden articles. …

Codice articolo 9783668291416

Titolo
Varnishes. Components, Classification, Applications and Literature
Autore
Kiran V. Mehta
Editore
GRIN Verlag, GRIN Verlag
Anno di pubblicazione
2016
Condizione
Neu
Rilegatura
Taschenbuch
Lingua
inglese
ISBN 10
3668291411
ISBN 13
9783668291416
Peso dell'articolo
107 grammi
Dimensioni
210x148x5 mm

AHA-BUCH GmbH

Einbeck, Germania

Venditore con 5 stelle

Venditore AbeBooks dal 14 agosto 2006

Tariffe di spedizione da Germania a U.S.A.

ArticoloDa 7 a 10 giorni lavorativiDa 5 a 7 giorni lavorativi
Primo articoloEUR 35,00EUR 45,00
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