Polymerization of methacrylamide has been carried out in the presence of ultrasound and peroxomonosulphate for the first time. The rate of polymerization and the rate of disappearance of peroxomonosulphate were followed simultaneously. A first order dependence on monomer and half order dependence wi
Polymerizations in the presence of seeds. II. Monitoring the emulsion polymerization in the presence of fillers by means of ultrasound
β Scribed by W.-D. Hergeth; M. Peller; P. Hauptmann
- Publisher
- John Wiley and Sons
- Year
- 1986
- Tongue
- English
- Weight
- 187 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0323-7648
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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
## Abstract A systematic polymerization kinetic study of methyl acrylate with an added initiator, peroxodisulfate, in the presence of lowβpower ultrasound was done. The polymerization experiments were conducted at various concentrations of monomer and initiator at different temperatures (303β323 K)
The batch emulsion polymerization kinetics of styrene (St) initiated by a water-soluble peroxodisulfate in the presence of a nonionic emulsifier was investigated. The polymerization rate versus the conversion curves showed two nonstationary rate intervals, two rate maxima, and Smith-Ewart Interval 2