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《Applied Chemical Industry》 2008-05
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Study on the structure and performance of chitosan film prepared by wet phase separation

LIU Wei-jin,BIE Ya-qin(College of Material Science and Engineering,South China University of Technology,Guangzhou 510640,China)  
The chitosan films prepared by wet phase separation have been studied in this paper.The effects of different coagulation agent on the mechanical properties and morphological structure of chitosan films have been mainly investigated.The result showed that the chitosan films prepared by a mixture of anhydrous sodium sulfate and sodium hydroxide as coagulant can have preferable mechanical and internal properties.When the concentration of the coagulation bath was 6% NaOH-1.2%Na2SO4,coagulation time was 6 h,the tensile strength reached a value(12.44 MPa).Cross-linked chitosan films could gain more favorable mechanical and internal properties.
【CateGory Index】: O484
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