Miniemulsion polymerization of styrene with a block copolymer surfactant

Lim, Min-Shyan; Chen, Hui

doi:10.1002/(sici)1099-0518(20000515)38:10<1818::aid-pola670>3.0.co;2-n

Cited by 41 publications

(29 citation statements)

References 21 publications

(24 reference statements)

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“…With neutral polymeric surfactants like PVA or hydrophobized dextrans, it has been shown that the added amount of hydrophobic co-stabilizer controls the rate of miniemulsion aging by Ostwald ripening and can be accounted for by usual theories as in the case of molecular surfactants [29,30,58]. Similar results were obtained with block copolymer surfactants combining a PMMA block with a PDMA cationic block [76]. In the case of vinyl acetate miniemulsion polymerization stabilized by PVA, the presence of a hydrophobic co-stabilizer (like hexadecane or a water-insoluble polymer) was necessary to obtain submicronic latex particles [29].…”

Section: Polymeric Surfactants and Ostwald Ripening Processmentioning

confidence: 61%

Macromolecular surfactants for miniemulsion polymerization

Durand

Marie

2009

Advances in Colloid and Interface Science

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Section: Polymeric Surfactants and Ostwald Ripening Processmentioning

confidence: 61%

Macromolecular surfactants for miniemulsion polymerization

Durand

Marie

2009

Advances in Colloid and Interface Science

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“…[150] Mention should also made of the work performed by De Brouwer et al [61] who examined the formation of PS and polymethacrylate homo-and block copolymers latexes by living radical polymerization in miniemulsion using a reversible addition-fragmentation chain transfer (RAFT) procedure.…”

Section: Miniemulsion Polymerizationmentioning

confidence: 99%

Block Copolymers in Emulsion and Dispersion Polymerization

Riess

Labbe

2004

Macromol. Rapid Commun.

161

171

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Summary: This article deals with recent progress including the authors' work concerning the application of block copolymers as polymeric surfactants in heterophase polymerizations. The synthesis methods for preparing block copolymers by emulsion and dispersion techniques are outlined, with emphasis on recently developed controlled free radical polymerizations in aqueous media. Specific characteristics of amphiphilic block copolymers are described, for example, micellization and emulsifying effects. A general overview of emulsion and dispersion polymerization in an aqueous and organic medium with ionic and nonionic block copolymers is presented for the preparation of electrosteric and sterically stabilized latex particles. Typical examples of microemulsion, miniemulsion, oil‐in‐oil emulsion, and micellar polymerizations are provided. Current and potential developments of so‐called “hairy latexes”, inverse‐, multiple‐, and solid emulsions, as well as of nonaqueous polymeric dispersions are also discussed.PS foam obtained by free radical polymerization of water‐in‐styrene, stabilized with a PS–PEO diblock copolymer.imagePS foam obtained by free radical polymerization of water‐in‐styrene, stabilized with a PS–PEO diblock copolymer.

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“…The stability of miniemulsion systems has been studied using shelf-life stability [58,[65][66][67] and ultracentrifugation stability studies, [68] as well as by measuring levels of free surfactant.…”

Section: Shelf-life Stability and Size Identitymentioning

confidence: 99%

“…[89] Lim and Chen used poly-(methyl methacrylate)-block-poly[(N,N-diethylamino-) ethyl methacrylate)] diblock copolymer as the surfactant and HD as the hydrophobe for the stabilization of miniemulsions. [67] Particles with sizes between about 150 and 400 were produced. Increasing the surfactant level in the miniemulsion could increase the polymerization rate.…”

Section: Variation Of Surfactantmentioning

confidence: 99%