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Polymerization of acrylamide in the presence of ultrasound and peroxomonosulfate

✍ Scribed by T. S. Vivekanandam; A. Gopalan; T. Vasudevan; S. Umapathy

Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
125 KB
Volume
36
Category
Article
ISSN
0887-624X

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✦ Synopsis

Polymerization of acrylamide (M) in the presence of ultrasound and peroxomonosulfate (PMS) was carried out for the first time for various concentration ranges of monomer and initiator and various temperatures at a constant frequency of 1 Mhz. The rate of polymerization R p was found to increase with increase in the concentration of monomer and initiator and found to depend on [M] and [PMS] 1/2 . The rate of disappearance of initiator (-d[PMS/dt) was also followed simultaneously under the experimental conditions and found to increase linearly with increase in [PMS]. A probable reaction mechanism was proposed on the basis of the observed results, and the individual rate constant were evaluated.

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## Abstract A systematic polymerization kinetic study of methyl acrylate with an added initiator, peroxodisulfate, in the presence of low‐power ultrasound was done. The polymerization experiments were conducted at various concentrations of monomer and initiator at different temperatures (303–323 K)