Theory of colloid stability and particle nucleation kinetics in emulsion polymerization |
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Authors: | H Schlüter |
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Institution: | (1) Present address: Hessische Str. 4, D-W-4370 Marl, Germany |
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Abstract: | The DLVO theory of colloid stability is applied to the uncatalyzed and catalyzed agglomeration of small primary particles formed in the earliest stages of emulsion polymerization in the manufacture of a carboxylic styrene/butadiene latex. The inverse 6th-power relationship between the stability ratio and the cation concentration revealed experimentally in an earlier work can be confirmed theoretically using variable Stern potentials. The Stern potential changes as parabolic function of log cation concentration. From the viewpoint of DLVO and Stern theory it is suggested that a spacer effect is crucial for the activity of the catalyst used.Presented at the 5th European and Interface Society Conference together with the 35th meeting of the Deutsche Kolloidgesellschaft on Trends in Colloid and Interface Science September 25–28, 1991, Maiz, FRG |
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Keywords: | Stern potential DLVO theory primary particle agglomeration stability ratio inverse 6th-power relationship emulsion polymerization |
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