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Citation: WANG Jun, LI Jie, LI Cui-Qin, WANG Tian-Feng, YANG Jin-Zong. Surface Property of Dendrimer PAMAM Aqueous Solution[J]. Chinese Journal of Applied Chemistry, ;2004, 21(2): 206-208. shu

Surface Property of Dendrimer PAMAM Aqueous Solution

WANG Jun ^a,b,, ,
LI Jie ^a ,
LI Cui-Qin ^a ,
WANG Tian-Feng ^a ,
YANG Jin-Zong ^b

1.
a Deptartment of Petrochemical Engineering, Daqing Petroleum Institute, Daqin 163318;
2.
b State Key Laboratory of Fine Chemicals, Dailian University of Science and Technology, Dalian

Corresponding author: WANG Jun,
Received Date: 25 April 2003
Available Online: 15 August 2003
Fund Project: 中国石油天然气股份有限公司石油科技中青年创新基金(200014) (200014)黑龙江省教育厅资助项目(10511121) (10511121)

Three polyamidoamine(PAMAM) dendrimers have been synthesized by divergence method with ethylenediamine as core. The surface tensions of aqueous solution of different generation PAMAM were determined by traditional surfactant method. The results showed that the whole PAMAM doesn't have surface acti-vity and the half PAMAM have certain surface activity. Their critical micelle concentrations(CMC) were obtained from surface tension curves, and the hydrophile-lipophile balance number(HLB), saturated adsorption capacity, molecular cross section area and molecular diameter were calculated. The results revealed that the molecular diameter of 0.5G, 1.5G and 2.5G PAMAM were 0.743, 0.998 and 1.371 nanometer, respe-ctively. The dendrimer obtained was also proved to be of nanometer order.
- polyamidoamine,
- surface tension,
- CMC,
- HLB value,
- saturation adsorption capacity
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Surface Property of Dendrimer PAMAM Aqueous Solution

南开大学师唯/华北电力大学（保定）刘景维：二维配位聚合物中有序的亲锂冠醚位点用于无枝晶锂沉积

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通讯作者: 陈斌, bchen63@163.com