✦ LIBER ✦

Interaction of cationic polyelectrolyte with sodium dodecyl sulphate

✍ Scribed by Zheng, Xiao-Liang; Cao, Wei-Xiao

Publisher: John Wiley and Sons
Year: 1998
Tongue: English
Weight: 191 KB
Volume: 46
Category: Article
ISSN: 0959-8103
DOI: 10.1002/(sici)1097-0126(199808)46:4<285::aid-pi998>3.0.co;2-d

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✦ Synopsis

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.

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