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Citation: Guo Rong, Zhu Xiao-Jun, Song Gen-Ping. Effect ofβ-CD on the Formation and the Properties of SDS Micelle[J]. Acta Physico-Chimica Sinica, ;2001, 17(04): 314-318. doi: 10.3866/PKU.WHXB20010407 shu

Effect ofβ-CD on the Formation and the Properties of SDS Micelle

1.
Chemistry Department ,Yangzhou University ,Yangzhou　225002

Received Date: 28 August 2000
Available Online: 15 April 2001

The effect ofβ-CD on the properties of SDS micelle was studied by the determination of the diffusion coefficient D and the aggregation number N of SDS micelle,and the distribution coefficient ofβ-CD between the micellar phase and the continuous water phase. The results show that the distribution ofβ-CD in the micellar phase increases and the diffusion coefficient D and the aggregation number N will decrease with addedβ-CDwhen the concentration ofβ-CD is lower. The distribution ofβ-CD in the continuous water phase increases and the influence ofβ-CD on D and N are reduced remarkably when the concentration ofβ-CD is higher. When the SDS concentration is less than the first CMC,the inclusion compounds ofβ-CD with SDS monomer form in the molecular ratio of 1∶1. Mixed spherical micelle could be prepared in the molecular ratio of 1:8 forβ-CD/SDS when the SDS concentration is higher than the first CMC.
- β-CD;Diffusion coefficient;Aggregation number;Binding constant;　Distribution coefficient
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