Bookbinding and the Conservation of Books
A Dictionary of Descriptive Terminology

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polymer

A synthetic or natural substance having a structural basis of a number of identical molecules linked together. The polymer form of a particular type of molecule has both a higher molecular weight and a different set of physical properties than a monomer, which is composed of single molecules. An example of a polymer is POLYVINYL ACETATE , while another polymer, LINSEED OIL, contains triglycerides. i.e., molecules of glycerides of linolenic acid (C 18 H 32 O 2 ) linked together in threes. Virtually every film-forming material is a polymer.




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