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http://hdl.handle.net/1942/29644
Title: | Particle Size Control in Miniemulsion Polymerization via Membrane Emulsification | Authors: | Nauman, Nida ZAQUEN, Neomy JUNKERS, Tanja Boyer, Cyrille Zetterlund, Per B. |
Issue Date: | 2019 | Publisher: | AMER CHEMICAL SOC | Source: | MACROMOLECULES, 52(12), p. 4492-4499 | Abstract: | y Miniemulsion polymerization of methyl methacrylate has been conducted employing Shirasu porous glass (SPG) membrane emulsification for the generation of the initial miniemulsion. For the first time, submicron-sized monomer droplets and polymer particles have been prepared using membranes with pore sizes significantly smaller than those previously reported. Membrane pore sizes of diameters 100-400 nm were explored, demonstrating that the final particle size can be conveniently tuned within the diameter range of 250-1600 nm. The choice of radical initiator is crucial: a sufficiently hydrophobic initiator (lauroyl peroxide) is required to minimize the generation of bimodal particle size distributions via secondary nucleation. Given the advantages of low energy consumption, reduced shear stress (compared with conventional high-energy mixing approaches such as ultrasonication), and an easily adjustable particle size via the membrane pore size, membrane emulsification has significant potential for the synthesis of polymeric nanoparticles via miniemulsion polymerization. | Notes: | [Nauman, Nida; Zaquen, Neomy; Boyer, Cyrille; Zetterlund, Per B.] Univ New South Wales, CAMD, Sch Chem Engn, High St Gate 2, Sydney, NSW 2033, Australia. [Zaquen, Neomy; Boyer, Cyrille] Univ New South Wales, Australian Ctr Nanomed, High St Gate 2, Sydney, NSW 2033, Australia. [Nauman, Nida] Univ Engn & Technol, Dept Polymer & Proc Engn, GT Rd, Lahore 54890, Punjab, Pakistan. [Zaquen, Neomy; Junkers, Tanja] Univ Hasselt, Inst Mat Res IMO IMOMEC, Agoralaan Bldg D, B-3590 Diepenbeek, Belgium. [Junkers, Tanja] Monash Univ, Sch Chem, Polymer React Design Grp, 19 Rainforest Walk, Melbourne, Vic 3800, Australia. | Document URI: | http://hdl.handle.net/1942/29644 | ISSN: | 0024-9297 | e-ISSN: | 1520-5835 | DOI: | 10.1021/acs.macromol.9b00447 | ISI #: | 000473248200010 | Rights: | 2019 American Chemical Society | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2020 |
Appears in Collections: | Research publications |
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