Electrostatic effects on the polymerization of vinyl acetate in three-component anionic microemulsions
✍ Scribed by Noe Sosa; Raul G. López; René. D. Peralta; Issa Katime; Fausto Becerra; Eduardo. Mendizábal; Jorge E. Puig
- Publisher
- John Wiley and Sons
- Year
- 1999
- Tongue
- English
- Weight
- 68 KB
- Volume
- 200
- Category
- Article
- ISSN
- 1022-1352
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The emulsifier-free emulsion polymerization of vinyl acetate was carried out in the absence or in the presence of some electrolytes such as sodium chloride, calcium chloride, aluminum chloride, sodium sulphate, and ammonium phosphate at 50ЊC using potassium persulphate-sodium bisulphite as a redox i
Measurements were made of the value of the lumped kinetic constant k p /k t 0.5 of vinyl acetate in different solvents and with different initiators. This quantity was evaluated using the well-known conversion vs. time approach in dilute solutions using both azo-bis-isobutyronitrile and benzoyl pero
Three di †erent emulsiÐer types from vinyl acetate monomer and methoxypolyoxyethylene (35 : 65, 27 : 73 and 19 : 81 wt : wt%) were prepared in the presence of benzoyl peroxide using a macroradical initiator technique. Fourier transform infrared spectroscopy and 1H nuclear magnetic resonance were car