Interaction of cationic polyelectrolyte with sodium dodecyl sulphate

The interaction of sodium dodecyl sulphate (SDS) with a cationic polyelectrolyte derived from a copolymer of 4‐vinyl pyridine and styrene was investigated. It was found that there is a narrow molar ratio region of SDS/cation at which the viscosity of aqueous solutions rise suddenly due to the aggreg...

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Veröffentlicht in:	Polymer international 1998-08, Vol.46 (4), p.285-288
Hauptverfasser:	Zheng, Xiao-Liang, Cao, Wei-Xiao
Format:	Artikel
Sprache:	eng
Schlagworte:	aggregation Applied sciences cationic polyelectrolyte Exact sciences and technology hydrophobic interaction Organic polymers Physicochemistry of polymers Properties and characterization sodium dodecyl sulphate Solution and gel properties
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Zusammenfassung:	The interaction of sodium dodecyl sulphate (SDS) with a cationic polyelectrolyte derived from a copolymer of 4‐vinyl pyridine and styrene was investigated. It was found that there is a narrow molar ratio region of SDS/cation at which the viscosity of aqueous solutions rise suddenly due to the aggregation of the SDS attached to the polymer chain, and then falls sharply when the SDS/cation ratio increases because of deaggregation. Under suitable conditions a reversible gelation is observed. A suggestion to explain these phenomena is proposed. © 1998 SCI.
ISSN:	0959-8103 1097-0126
DOI:	10.1002/(SICI)1097-0126(199808)46:4<285::AID-PI998>3.0.CO;2-D