Chemistry (Polymer chemistry)5Th Sem Free Pdf Download Kashmir University Notes JK Crown

term polymer stems from the Greek roots poly (many) and meros (part). The word thus 
means “many parts” and designates a molecule made up by the repetition of some simpler unit 
called a mer. Polymers contain thousands to millions of atoms in a molecule that is large; they 
are also called macromolecules. Polymers are prepared by joining a large number of small 
molecules called monomers.
The structure of polystyrene, for example, can be w
or, more conveniently, as (II), which depicts the mer or repeating unit of the molecule within 
parentheses with a subscript, such as n, to represent the number of repeating u

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