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

页码：382 / 397

页数：16

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