1.

explain the preparation of polyester

Answer»

Synthesis of polyesters is generally achieved by a polycondensation reaction. See "condensation reactionsin polymer chemistry". The general equation for the reaction of a diol with a diacid is:

(n+1) R(OH)2+ n R´(COOH)2→ HO[ROOCR´COO]nROH + 2n H2O

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