Fractal study of polystyrene latex and silica particle aggregates

Zukang Zhou and Benjamin Chu

Physica A: Statistical Mechanics and its Applications, 1991, vol. 177, issue 1, 93-100

Abstract: Aggregation kinetics and fractal structures of salt-induced fractal aggregates of polystyrene colloid and cationic-surfactant (TPB)-induced fractal silica aggregates have been studied. For polystyrene colloid in the quasi-fast regime of aggregation, the fractal dimensions (df) largely deviate from the diffusion limited cluster aggregation (DLCA) value of 1.75. For TPB-induced silica clusters, all the df values obtained under different regimes of aggregation have essentially the same value 2.10 ± 0.05. The question of restructuring is raised.

Date: 1991
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:177:y:1991:i:1:p:93-100

DOI: 10.1016/0378-4371(91)90139-4

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