Aggregation Processes of a Weak Polyelectrolyte, Poly(allylamine) Hydrochloride 


Vol. 29,  No. 1, pp. 104-0, Jan.  2008
10.5012/bkcs.2008.29.1.104


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  Abstract

Poly(allylamine) hydrochloride is a weak cationic polyelectrolyte that exhibits different aggregation properties at different solution pH values and aging times. Specifically, after several days aging in a pH 3 buffer, less than 1 mg/mL poly(allylamine) hydrochloride became turbid, and the hydrodynamic radius increased with a single diffusion mode. However, the hydrodynamic radius did not change at high concentrations. The dynamic processes of polymer aggregations at different pH values were verified by a light scattering and zeta-potential apparatus. The major interaction was caused by the capturing of counterions by the polyelectrolyte, which generates electrostatic, hydrophobic and cation-π interactions.

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  Cite this article

[IEEE Style]

J. Park, Y. Choi, K. Kim, H. Chung, D. Sohn, "Aggregation Processes of a Weak Polyelectrolyte, Poly(allylamine) Hydrochloride," Bulletin of the Korean Chemical Society, vol. 29, no. 1, pp. 104-0, 2008. DOI: 10.5012/bkcs.2008.29.1.104.

[ACM Style]

Jaejung Park, Young-Wook Choi, KyungBae Kim, Hoeil Chung, and Daewon Sohn. 2008. Aggregation Processes of a Weak Polyelectrolyte, Poly(allylamine) Hydrochloride. Bulletin of the Korean Chemical Society, 29, 1, (2008), 104-0. DOI: 10.5012/bkcs.2008.29.1.104.

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ISSN(Print) 0253-2964
ISSN(Online) 1229-5949