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Effects of Substrate, Solvent, Graft Density and Graft Length on the Formation of Cellulose-based Ordered Porous Film

机译:基质,溶剂,移植物密度和移植物长度对基于纤维素的有序多孔膜形成的影响

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We investigated the preparation of porous film of cellulose-based graft copolymer by breath figure method. The effects of substrate, solvent, graft density and graft length on the formation of porous film were elucidated. The results showed that ordered porous films could be facilely formed on the glass and mica substrate, while no ordered porous films were obtained on the silicon substrate. The ordered porous films were formed from the copolymer/CS_2 solution, while no ordered porous films were done from the copolymer/CH_2Cl_2, CHCl_3 and toluene solution. Moreover, no ordered porous films were obtained from the copolymer with spare graft density or with long side chain. The results indicated that the substrate, solvent, graft density and graft length had important effects on the ordered porous film.
机译:通过呼吸图法研究了纤维素类接枝共聚物多孔膜的制备。阐明了基材,溶剂,移植物密度和移植物长度对多孔膜形成的影响。结果表明,有序的多孔膜可以在玻璃和云母衬底上易于形成,而在硅衬底上没有得到有序的多孔膜。由共聚物/ Cs_2溶液形成有序多孔膜,同时从共聚物/ CH_2Cl_2,CHCl_3和甲苯溶液中没有进行有序多孔膜。此外,没有从共聚物与备用移植物密度或长侧链获得有序多孔膜。结果表明,基材,溶剂,移植物密度和移植物长度对有序多孔膜具有重要作用。

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