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
Semicontinuous emulsion polymerization of vinyl acetate: Effect of ethoxylation degree of nonionic emulsifiers
✍ Scribed by Ayfer Sarac; H. Yildirim Erbil; Hüseyin Yildirim
- Publisher
- John Wiley and Sons
- Year
- 2002
- Tongue
- English
- Weight
- 120 KB
- Volume
- 86
- Category
- Article
- ISSN
- 0021-8995
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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
The kinetics of emulsifier-free emulsion polymerization of vinyl acetate using the redox initiation system of potassium persulfate-potassium metabisulfite was studied. The effect of the reaction conditions on the rate of polymerization was also investigated. The polymerization proceeded smoothly unt