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Particle formation and growth in ab initio emulsifier-free emulsion polymerisation under monomer-starved conditions

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Particle formation and growth in ab initio emulsifier-free emulsion polymerisation under monomer-starved conditions. / Chen, Yan; Sajjadi, Shahriar.

In: Polymer, Vol. 50, No. 2, 16.01.2009, p. 357 - 365.

Research output: Contribution to journalArticle

Harvard

Chen, Y & Sajjadi, S 2009, 'Particle formation and growth in ab initio emulsifier-free emulsion polymerisation under monomer-starved conditions', Polymer, vol. 50, no. 2, pp. 357 - 365. https://doi.org/10.1016/j.polymer.2008.11.013

APA

Chen, Y., & Sajjadi, S. (2009). Particle formation and growth in ab initio emulsifier-free emulsion polymerisation under monomer-starved conditions. Polymer, 50(2), 357 - 365. https://doi.org/10.1016/j.polymer.2008.11.013

Vancouver

Chen Y, Sajjadi S. Particle formation and growth in ab initio emulsifier-free emulsion polymerisation under monomer-starved conditions. Polymer. 2009 Jan 16;50(2):357 - 365. https://doi.org/10.1016/j.polymer.2008.11.013

Author

Chen, Yan ; Sajjadi, Shahriar. / Particle formation and growth in ab initio emulsifier-free emulsion polymerisation under monomer-starved conditions. In: Polymer. 2009 ; Vol. 50, No. 2. pp. 357 - 365.

Bibtex Download

@article{3ad67bc7cb594d5f9aa7ed77068c90d6,
title = "Particle formation and growth in ab initio emulsifier-free emulsion polymerisation under monomer-starved conditions",
abstract = "Particle formation and growth in the monomer-starved emulsifier-free emulsion polymerisation of monomers with different water solubility including methyl acrylate (MA), methyl methacrylate (MMA), and vinyl acetate (VA) were studied. The rate of formation of precursor particles, via homogenous nucleation, is proportional to the monomer concentration in the water phase. One may think that the maximum number of particles will be obtained when the water phase is saturated with the monomer. The number of PMA particles showed a maximum when the water phase was starved with the monomer. The number of PVA particles did not show any sensitivity to the monomer concentration in the water phase. More unexpectedly the final number of PMMA particles showed a minimum when the water phase was just saturated with the monomer. The minimum in the final number of PMMA particles was correlated with the enhanced rate of particle growth due to the gel effect. Under monomer-starved conditions, the number of particles produced was in the order of water solubility of the monomers: MA > VA > MMA. A reverse order was produced under monomer-saturated conditions as particle coagulation became progressively more important for some of the monomers. (C) 2008 Elsevier Ltd. All rights reserved.",
author = "Yan Chen and Shahriar Sajjadi",
year = "2009",
month = jan,
day = "16",
doi = "10.1016/j.polymer.2008.11.013",
language = "English",
volume = "50",
pages = "357 -- 365",
journal = "Polymer",
issn = "0032-3861",
publisher = "Elsevier BV",
number = "2",

}

RIS (suitable for import to EndNote) Download

TY - JOUR

T1 - Particle formation and growth in ab initio emulsifier-free emulsion polymerisation under monomer-starved conditions

AU - Chen, Yan

AU - Sajjadi, Shahriar

PY - 2009/1/16

Y1 - 2009/1/16

N2 - Particle formation and growth in the monomer-starved emulsifier-free emulsion polymerisation of monomers with different water solubility including methyl acrylate (MA), methyl methacrylate (MMA), and vinyl acetate (VA) were studied. The rate of formation of precursor particles, via homogenous nucleation, is proportional to the monomer concentration in the water phase. One may think that the maximum number of particles will be obtained when the water phase is saturated with the monomer. The number of PMA particles showed a maximum when the water phase was starved with the monomer. The number of PVA particles did not show any sensitivity to the monomer concentration in the water phase. More unexpectedly the final number of PMMA particles showed a minimum when the water phase was just saturated with the monomer. The minimum in the final number of PMMA particles was correlated with the enhanced rate of particle growth due to the gel effect. Under monomer-starved conditions, the number of particles produced was in the order of water solubility of the monomers: MA > VA > MMA. A reverse order was produced under monomer-saturated conditions as particle coagulation became progressively more important for some of the monomers. (C) 2008 Elsevier Ltd. All rights reserved.

AB - Particle formation and growth in the monomer-starved emulsifier-free emulsion polymerisation of monomers with different water solubility including methyl acrylate (MA), methyl methacrylate (MMA), and vinyl acetate (VA) were studied. The rate of formation of precursor particles, via homogenous nucleation, is proportional to the monomer concentration in the water phase. One may think that the maximum number of particles will be obtained when the water phase is saturated with the monomer. The number of PMA particles showed a maximum when the water phase was starved with the monomer. The number of PVA particles did not show any sensitivity to the monomer concentration in the water phase. More unexpectedly the final number of PMMA particles showed a minimum when the water phase was just saturated with the monomer. The minimum in the final number of PMMA particles was correlated with the enhanced rate of particle growth due to the gel effect. Under monomer-starved conditions, the number of particles produced was in the order of water solubility of the monomers: MA > VA > MMA. A reverse order was produced under monomer-saturated conditions as particle coagulation became progressively more important for some of the monomers. (C) 2008 Elsevier Ltd. All rights reserved.

U2 - 10.1016/j.polymer.2008.11.013

DO - 10.1016/j.polymer.2008.11.013

M3 - Article

VL - 50

SP - 357

EP - 365

JO - Polymer

JF - Polymer

SN - 0032-3861

IS - 2

ER -

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