Non-periodic crystallization from a side-chain bearing copolyester

Non-periodic crystallization from a side-chain bearing copolyester 

In highly aromatic polymers, processihility is a major problem. One possible solution to this might be to prepare copolymers, since the disruption of 

Caution Carry out all procedures in a well-ventilated fume-cupboard, wear appropriate disposable gloves, a lab-coat, and safety glasses. 

Preparation-. Monomer 10 is prepared by esterification of 2,5-dihydroxybenzoic acid/ Sebacoyl chloride is distilled under reduced pressure (b.p. 124-125°C at 0.7 mmHg). 

Carbon dioxide and oxygen-free water is obtained by refluxing distilled water in a round-bottomed flask with a soda lime-filled drying tube on top ofthe condenser for 3-4 h. The flask is then purged with nitrogen and stoppered. 

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