Chem. J. Chinese Universities ›› 1986, Vol. 7 ›› Issue (12): 1140.
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Zeng Hanmin, Chen Haining
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Abstract: In this work the kinetics of the solid state polycondensation of nylon-1010 salt and its crystalline morphologies have been studied by the use of a number of techniques including determination of conversion rate and molecular weight,IR,elemental analysis,X-ray diffraction,polarized light microscopy,DSC,and SEM.The experimental results indicated that nylon-1010 salt is a kind of zwitter-ion crystalline,the conversion rate and molecular weight of nascent nylon-1010 are dependent on the reaction temperature and the innert gas N2 flow.It was found that reaction temperature remarkably influence the course of the solid-state poly-condensation.The morphologies of like-fibril structure of formed nascent nylon-1010 have been discussed.It should be pointed out that the reaction temperature is slightly below the melting point of nylon-1010 salt which makes it possible for solid-state polycondensation to appears to have like-melt state reaction features.
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Zeng Hanmin, Chen Haining . Investigation on Solid-State Polycondensation Nylon-1010 Salt[J]. Chem. J. Chinese Universities, 1986, 7(12): 1140.
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http://www.cjcu.jlu.edu.cn/EN/Y1986/V7/I12/1140