| 不同条件对聚醚砜膜γ辐射接枝甲基丙烯酸接枝率的影响 |
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| 引用本文： | 李晶,董晨初,曹允洁,刘元伟,侯铮迟.不同条件对聚醚砜膜γ辐射接枝甲基丙烯酸接枝率的影响[J].滨州学院学报,2007,23(6):49-53. |
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| 作者姓名： | 李晶 董晨初 曹允洁 刘元伟 侯铮迟 |
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| 作者单位： | 1. 滨州学院,化学与化工系,山东,滨州,256603
2. 中国科学院,上海应用物理研究所,上海,201800 |
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| 摘 要： | 利用γ射线共辐照技术在聚醚砜膜上接枝了甲基丙烯酸.通过改变溶剂、辐照剂量、辐照剂量率等条件,获得了具有不同接枝率的改性聚醚砜膜,提高接枝率有助于改善聚醚砜膜的亲水性.实验结果表明,提高单体浓度、使用混合溶剂(如水和乙醇按一定比例混合),有利于提高接枝率.研究还发现,超过2 kGy的辐照剂量会导致接枝率降低.
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| 关 键 词： | 辐射接枝 聚醚砜 溶剂 辐照剂量 辐照剂量率 |
| 文章编号： | 1673-2618（2007）06-0049-05 |
| 收稿时间： | 2007-05-10 |
| 修稿时间： | 2007年5月10日 |
Influence of Different Conditions on the Grafting Degree of Polyethersulfone Membranes Grafted Methacrylic Acid with γ-ray Irradiation |
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| LI Jing,DONG Chen-chu,Cao Yun-jie,LIU Yuan-wei,HOU Zheng-chi.Influence of Different Conditions on the Grafting Degree of Polyethersulfone Membranes Grafted Methacrylic Acid with γ-ray Irradiation[J].Journal of Binzhou University,2007,23(6):49-53. |
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| Authors: | LI Jing DONG Chen-chu Cao Yun-jie LIU Yuan-wei HOU Zheng-chi |
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| Institution: | 1. Department of Chemistry and Chemical Engineering, Binzhou University, Binzhou 256603, China ; 2. Shanghai Institute of Applied Physics ,Chinese Academy of Sciences ,Shanghai 201800,China |
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| Abstract: | The grafting of methyacrylic acid onto poly(ether sulfone) membranes is realized by means of simultaneous irradiation in liquids.And the modified membranes with different grafting ratio are obtained by changing the conditions,such as solvent,irradiation dose,and irradiation dose rate.The increased grafting ratio is favorable for the improving of hydrophilicity of the membranes.Experimental results indicate that increasing monomer concentration,using mixed solvents(such as water and ethanol are mixed in certain proportion)are conducive to the increase of grafting degree.It is found that,while studying irradiation grafting copolymerization of methyl acrylic acid onto PES,the irradiation dose which exceeds 2 kGy results in reduction of grafting degree. |
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| Keywords: | irradiation grafting poly(ether sulfone) solvent irradiation dose irradiation dose rate |
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