Charging of latex particles stabilized by sulfate surfactant

J. Sefcik; M. Verduyn; G. Storti; M. Morbidelli

doi:10.1021/la026445d S0743-7463(02)06445-4

Charging of latex particles stabilized by sulfate surfactant

J. Sefcik, M. Verduyn, G. Storti, M. Morbidelli

Chemical And Process Engineering

Research output: Contribution to journal › Article › peer-review

19 Citations (Scopus)

Abstract

Surface charging of polystyrene latex particles stabilized with sodium dodecyl sulfate (SDS) was investigated. The surfactant adsorption isotherm and electrophoretic mobilities of monodisperse latex particles were measured. Electrophoretic mobility measurements at moderate ionic strengths (around 0.1 M) indicated a substantial degree of counterion binding to adsorbed dodecyl sulfate anions, comparable to that found in SDS micelles. We offer a consistent description of surface charging of SDS-stabilized latex particles and SDS micelles taking into account binding of sodium counterions to dodecyl sulfate anions.

Original language	English
Pages (from-to)	4778-4783
Number of pages	5
Journal	Langmuir
Volume	19
DOIs	https://doi.org/10.1021/la026445d S0743-7463(02)06445-4
Publication status	Published - 2003

Keywords

chemical engineering
latex
chemistry
surface charging

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10.1021/la026445d S0743-7463(02)06445-4

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TY - JOUR

T1 - Charging of latex particles stabilized by sulfate surfactant

AU - Sefcik, J.

AU - Verduyn, M.

AU - Storti, G.

AU - Morbidelli, M.

PY - 2003

Y1 - 2003

N2 - Surface charging of polystyrene latex particles stabilized with sodium dodecyl sulfate (SDS) was investigated. The surfactant adsorption isotherm and electrophoretic mobilities of monodisperse latex particles were measured. Electrophoretic mobility measurements at moderate ionic strengths (around 0.1 M) indicated a substantial degree of counterion binding to adsorbed dodecyl sulfate anions, comparable to that found in SDS micelles. We offer a consistent description of surface charging of SDS-stabilized latex particles and SDS micelles taking into account binding of sodium counterions to dodecyl sulfate anions.

AB - Surface charging of polystyrene latex particles stabilized with sodium dodecyl sulfate (SDS) was investigated. The surfactant adsorption isotherm and electrophoretic mobilities of monodisperse latex particles were measured. Electrophoretic mobility measurements at moderate ionic strengths (around 0.1 M) indicated a substantial degree of counterion binding to adsorbed dodecyl sulfate anions, comparable to that found in SDS micelles. We offer a consistent description of surface charging of SDS-stabilized latex particles and SDS micelles taking into account binding of sodium counterions to dodecyl sulfate anions.

KW - chemical engineering

KW - latex

KW - chemistry

KW - surface charging

UR - http://dx.doi.org/10.1021/la026445d S0743-7463(02)06445-4

U2 - 10.1021/la026445d S0743-7463(02)06445-4

DO - 10.1021/la026445d S0743-7463(02)06445-4

M3 - Article

SN - 0743-7463

VL - 19

SP - 4778

EP - 4783

JO - Langmuir

JF - Langmuir

ER -

Charging of latex particles stabilized by sulfate surfactant

Abstract

Keywords

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