Stochastic Simulation of Droplet Interactions in Suspension Polymerization of Vinyl Chloride

Bárkányi, Ágnes; Németh, Sándor

doi:10.3311/ppch.2162

Cited by 2 publications

(1 citation statement)

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“…Several experimental studies have been published on the effects of the above operational parameters on the PSD of polymer beads in suspension polymerization . Moreover, predictions of the PSD and the dynamic evolution of the particle formation process by simulation methods have also been reported . However, these previous studies were focused on the effects of operational parameters on PSD in pure monomer suspension polymerization systems, without additives .…”

Section: Introductionmentioning

confidence: 99%

Effects of polymerization conditions on particle size distribution in styrene‐graphite suspension polymerization process

Cunwei

Chen

et al. 2016

J of Applied Polymer Sci

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Suspension polymerization in the presence of graphite has been studied in order to determine the effects of some operational parameters on the particle size distribution (PSD). The results showed that, with increasing graphite content, the particle size of the polystyrene/graphite (PS/G) beads increased. Moreover, instability of the suspension polymerization system was found at high amounts of graphite. With increasing initiator concentration, the particle size of the polymer beads increased and the PSD became slightly narrower. Changing the concentration of the suspending agent proved to be an efficient way of controlling the particle size, although its increase led to a broadening of the PSD. Adding the suspending agent in two portions at different times decreased the particle size, maintained a lower concentration of suspending agent, and kept the suspension polymerization system stable. Adjusting the stirring speed proved to be a very efficient means of manipulating the PSD of the PS/G composite beads. The Sauter mean diameter decreased and the PSD was broadened with increasing stirring speed; 400 rpm was identified as an appropriate value to obtain polystyrene/graphite beads with desirable particle size and distribution.

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Section: Introductionmentioning

confidence: 99%