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Citation: CHENG Qi, LIU Xinmei, DAI Caili. Synthesis and Surface Activity of N-(2-Hydroxylpropyl) Perfluorooctane Amide Foaming Agent[J]. Chinese Journal of Applied Chemistry, ;2013, 30(11): 1276-1280. doi: 10.3724/SP.J.1095.2013.30027 shu

Synthesis and Surface Activity of N-(2-Hydroxylpropyl) Perfluorooctane Amide Foaming Agent

CHENG Qi ^a, ,
LIU Xinmei ^a ,
DAI Caili ^b

a. College of Chemical Engineering, China University of Petroleum(East), Qingdao 266580, China;
b. College of Petroleum Engineering, China University of Petroleum(East), Qingdao 266580, China

Received Date: 9 January 2013
Revised Date: 15 February 2013

Non-ionic fluorocarbon surfactant N-(2-hydroxypropyl) perfluorooctane amide was synthesized via the fattyacid method using perfluorooctanoic acid and isopropyl amine as precursors.The structures of products were characterized by infrared adsorption spectra(IR) and nuclear magnetic resonance spectroscopy(NMR).The bubbling potential,foam stability,salt resistance and surface tension of the samples were evaluated and compared with sodium dodecylsulfate(SDS).The results show that foam comprehensive exponent of the product is 1.6 times that of SDS.The foaminess is not obviously influenced by the concentration of inorganic ions.The surface tensions of the samples can be increased up to 9.275 mN/m.At lower concentration,the capability of reducing surface tension is better than that of SDS.The property of the products is strongly influenced by the type and quantity of hydrogen bonds,and the content of amides in the chain of the products.
- the amide fluorocarbon foaming agent,
- foaminess,
- salt resistance,
- surface tension
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