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Synthesis of core-shell polymer particles in supercritical carbon dioxide via iterative monomer addition

Chemical Communications, ISSN: 1364-548X, Vol: 59, Issue: 98, Page: 14536-14539
2023
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Article Description

A new, robust methodology for the synthesis of polystyrene-poly(methyl methacrylate) (PS-PMMA) core-shell particles using seeded dispersion polymerisation in supercritical carbon dioxide is reported, where the core-shell ratio can be controlled predictably via manipulation of reagent stoichiometry. The key development is the application of an iterative addition of the MMA shell monomer to the pre-prepared PS core. Analysis of the materials with differing core-shell ratios indicates that all are isolated as single particle populations with distinct and controllable core-shell morphologies.

Bibliographic Details

Kortsen, Kristoffer; Reynolds-Green, Morgan; Hopkins, Bradley; McLellan, Alison; Derry, Matthew J; Topham, Paul D; Titman, Jeremy J; Keddie, Daniel J; Taresco, Vincenzo; Howdle, Steven M

Royal Society of Chemistry (RSC)

Materials Science; Chemical Engineering; Chemistry

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