用化学方法在聚丙烯微孔膜表面接枝丙烯酰胺单体,分别考察了反应温度、单体浓度、反应时间和引发剂浓度等反应因素对接枝率的影响,红外光谱和扫描电镜证实了丙烯酰胺在聚丙烯微孔膜表面的接枝,水接触角测试显示接枝膜具有良好的亲水性,热分析表明接枝膜基本没有改变聚丙烯微孔膜的基体性质.实验发现当反应温度为60℃,单体浓度为10%,反应时间为4h,引发剂浓度为2.0×10-3mol/L时,获得最佳接枝效果.
参考文献
| [1] | 刘贯一 .聚丙烯中空纤维膜表面亲水改性试验[J].河北理工学院学报,2000,22(04):80-85. |
| [2] | 孙卫明;潘循皙;侯惠奇 .聚丙烯的亲水改性与微孔聚丙烯中空纤维亲水膜的研制[J].膜科学与技术,1996,16(03):58-61. |
| [3] | 黄征青.聚丙烯中空纤维膜亲水化的研究[J].膜科学与技术,2000(06):33-35. |
| [4] | Liang Liang;Mingkung Shi;Vish V.Viswanathan;Loni M.Peurrung;James S.Young .Temperature-sensitive polypropylene membranes prepared by plasma polymerization[J].Journal of Membrane Science,2000(1/2):97-108. |
| [5] | Kou RQ.;Xu ZK.;Deng HT.;Liu ZM.;Seta P.;Xu YY. .Surface modification of microporous polypropylene membranes by plasma-induced graft polymerization of alpha-allyl glucoside[J].Langmuir: The ACS Journal of Surfaces and Colloids,2003(17):6869-6875. |
| [6] | Ma Huimin;Davis Robert H. .A Novel Sequential Photoinduced Living Graft Polymerization[J].Macromolecules,2000(2):331-335. |
| [7] | Jin Kie Shim;Hee Seok Na;Hoon Huh;Young Moo Lee;Young Chang Nho .Surface modification of polypropylene membranes by #gamma#-ray induced graft copolymerization and their solute permeation characteristics[J].Journal of Membrane Science,2001(2):215-226. |
| [8] | Wang Y.;Choo KH.;Lee YS.;Lee CH.;Kim JH. .Hydrophilic modification of polypropylene microfiltration membranes by ozone-induced graft polymerization[J].Journal of Membrane Science,2000(2):269-276. |
| [9] | Bamford C H;Al-Lamee K G .Studies in surface func tionalization and grafting for biomedical and other applications[J].Polymer,1994,35(13):2844-2852. |
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