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Citation: SUI Wei-Ping, WANG Dang-Sheng, WANG Su-Fen, CHEN Guo-Hua. Synthesis and Surface Activity of HBP-CMCHS[J]. Chinese Journal of Applied Chemistry, ;2005, 22(5): 521-524. shu

Synthesis and Surface Activity of HBP-CMCHS

1.
a School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022;
2.
b College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao

Corresponding author: SUI Wei-Ping,
Received Date: 20 May 2004
Available Online: 16 December 2004
Fund Project: 山东省教育厅科技计划(J01C03) (J01C03)山东省优秀中青年科学家科研奖励基金(02BS108)资助项目 (02BS108)

The water-soluble amphiphilic derivatives of carboxymethylchitosan (CMCHS),(2-hydroxyl-3-butoxyl) propyl-carboxymethylchitosan (HBP-CMCHS) were prepared via the reaction of CMCHS with butyl glycidol ether.The structure of the resulting derivatives were identified by means of IR,NMR and X-ray diffraction.The surface tension and surface pressure were measured.The results show that HBP-CMCHS can adsorb to the surface to decrease the surface tension of the solution,and the surface pressure of the adsorbed film increases dramatically with the decrease of the surface area.The surface activity increases with the increase of the degree of substitution (DS).For the derivative with DS=42.2%,the surface tension decreased to 32.5 mN/m,which (indicates) that the derivative can be used as a polymeric surfactant.
- chitosan derivative,
- (hydroxylbutoxyl) propyl-carboxymethylchitosan (HBP-CMCHS),
- surface activity,
- surface pressure
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