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首页> 外文期刊>Journal of Applied Polymer Science >Effect of solvents in radiation-induced grafting of 4-vinyl pyridine onto fluorinated ethylene propylene copolymer
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Effect of solvents in radiation-induced grafting of 4-vinyl pyridine onto fluorinated ethylene propylene copolymer

机译：溶剂对4-乙烯基吡啶辐射诱导的氟化乙烯丙烯共聚物接枝反应的影响

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摘要

A wide range of solvents have been examined to find their effect on radiation-induced grafting of 4-vinyl pyridine onto fluorinated ethylene propylene copolymer by simultaneous irradiation technique. The effect of solvent on percentage of grafting has been monitored by varying monomer concentration and total dose of radiation. Further grafting results have been correlated with the solubility parameter of the solvent and solvent mixtures. Evidence of grafting has been based on characterization of grafted samples in terms of FTIR, EDAX, X-ray mapping, thermogravimetric analysis, and dynamic mechanical analysis. Depth profiling of a few representative grafted films were studied by viewing the cross-sectional distribution of elemental nitrogen using SEM-EDAX. The results suggest that with increase in grafting the grafting front propagates from the surface toward bulk, thus establishing the frontal mechanism of radiation grafting. Furthermore, the grafted films were characterized for their surface properties using contact angle goniometry. (C) 2008 Wiley Periodicals, Inc.
机译：已经研究了多种溶剂，以发现它们通过同步辐射技术对辐射诱导的4-乙烯基吡啶接枝到氟化乙烯丙烯共聚物上的影响。通过改变单体浓度和总辐射剂量可以监测溶剂对接枝率的影响。进一步的接枝结果已经与溶剂和溶剂混合物的溶解度参数相关。嫁接的证据已经基于FTIR，EDAX，X射线绘图，热重分析和动态力学分析对嫁接样品的表征。通过使用SEM-EDAX观察元素氮的横截面分布，研究了一些代表性接枝膜的深度分布图。结果表明，随着接枝数量的增加，接枝锋面从表面向本体传播，从而建立了辐射接枝的前沿机理。此外，使用接触角测角法表征了接枝膜的表面性能。 （C）2008 Wiley期刊公司

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