Simultaneous controllability of PSD and MWD in emulsion polymerisation

被引：4
|
作者：
Sweetman, Stephen J. [1 ]
Immanuel, Charles D. [1 ]
Malik, Tahir I.
Emmett, Simon [2 ]
Williams, Neal [2 ]
机构：
[1] Univ London Imperial Coll Sci Technol & Med, Ctr Proc Syst Engn, Dept Chem Engn, London SW7 2AZ, England
[2] AkzoNobel NV Decorat Paints, Slough, Berks, England
来源：
MACROMOLECULAR REACTION ENGINEERING | 2008年 / 2卷 / 05期
基金：
英国工程与自然科学研究理事会;
关键词：
emulsion polymerisation; nucleation; MWD; PSD; simultaneous control; surfactants;
D O I：
10.1002/mren.200800016
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
A sensitivity study of particle size distribution (PSD) and molecular weight distribution (MWD) responses to perturbations in initiator, surfactant, monomer and chain transfer agent in a semi-batch emulsion polymerisation is presented. The objective is to provide a systematic study on the ability to simultaneously control both PSD and MWD, towards inferential control of end-use product properties. This would lead towards identification of the practical feasible regions of operability. All inputs appeared to have an intrinsic and simultaneous influence on end-time PSD and MWD. Trends shown in experimental results have been explained in a mechanistic sense and also compared to simulation results from a combined PSD/MWD population balance model. The preliminary comparison between experiment and simulation highlights areas to be focussed on with respect to model improvement.
引用
收藏
页码：382 / 397
页数：16
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