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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