Bookbinding and the Conservation of Books
A Dictionary of Descriptive Terminology

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methyl cellulose

Cellulose methyl ether, produced by treating cellulose from wood or cotton with an alkali, such as sodium hydroxide, followed by methyl chloride. The resulting product is a white granular solid, soluble in cold water but insoluble in hot water. It is used as a thickening agent for aqueous preparations and as a substitute for natural gums, and particularly as a stabilizer in emulsions. It has also been used to greaseproof paper and as an additive in adhesives to increase film strength, flexibility and adhesion. (198 )

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