April 2017

Special Focus: Petrochemical Developments

Extract the best from your PVC reactor

Polyvinyl chloride (PVC) is the world’s third-most widely produced commodity polymer, after polyethylene (C2H4)n and polypropylene (C3H6)n.

Jain, S., Patil, R. C., Gupta, A., Reliance Industries Ltd.

Polyvinyl chloride (PVC) is the world’s third-most widely produced commodity polymer, after polyethylene (C2H4)n and polypropylene (C3H6)n. PVC is one of the most versatile plastics, since it offers a range of grades (flexible to rigid) to attain the specific requirements of the final processed products. At present, 80% of commercial PVC is produced from suspension polymerization in a batch reactor. To improve the productivity of this process, various strategies have been devised to reduce the time duration of each batch. Temperature programming during the reaction, the optimization of the initiator type and concentration, dosing methodology, an increase in the operational volume of vinyl c

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