采用浊点滴定法实验测定了新型成膜聚合物杂萘联苯聚芳醚砜(PPES)、杂萘联苯聚芳醚酮(PPEK)和杂萘联苯聚芳醚砜酮(PPESK)的N-甲基吡咯烷酮(NMP)溶液分别在3种不同温度(25,50和75℃)下用水滴定时的浊点数据.并用线性浊点方程对所得实验结果进行了参数回归,线性度甚佳.采用平板刮膜法制备了PPES,PPEK和PPESK的致密膜,并用称重法测定了3种聚合物膜对水的饱和吸附量,进而根据Flory-Rehner理论计算了聚合物与沉淀剂水之间的Flory-Huggins相互作用参数.为进一步理论计算PPES,PPEK和PPESKNMP-H2O的三元相图提供了基础数据.
参考文献
| [1] | Lau W W Y;Guiver M D;Matsuura T .Phase separation in polysulfone/solvent/water and polyethersulfone/solvent/water systems[J].Journal of Membrane Science,1991,59:219-227. |
| [2] | Kim JY.;Baik KJ.;Kim SC.;Lee HK. .LIQUID-LIQUID PHASE SEPARATION IN POLYSULFONE/SOLVENT/WATER SYSTEMS[J].Journal of Applied Polymer Science,1997(13):2643-2653. |
| [3] | Baik K J;Kim J Y;Lee H K et al.Liquid-liquid phase separation in polysulfone/polyethersulfone/n-methyl-2-pyrrolidone/water quaternary system[J].Journal of Applied Polymer Science,1999,74:2113-2123. |
| [4] | 赵长生,欧阳庆,钟银屏,乐以伦,黄小华.聚醚砜制膜液的相分离Ⅰ.三元体系[J].水处理技术,1996(04):195. |
| [5] | 陈德强,龚琦,黄加乐,董声雄.添加剂对制膜液体系相图的影响研究[J].吉林化工学院学报,2003(02):17-20. |
| [6] | 苏仪,蹇锡高,杨大令,李冬梅.非溶剂添加剂对共聚砜铸膜液体系及膜性能与结构的影响[J].高分子学报,2003(06):866-870. |
| [7] | 邢卫红,钟璟,徐南平,王延儒,时钧.聚砜制膜液的相平衡及其与制膜的关系[J].水处理技术,1995(01):15. |
| [8] | Zeman L;Tkacik G .Thermodynamic analysis of a membrane-forming system water/n-methyl-2-pyrrolidone/polyethersulfone[J].Journal of Membrane Science,1988,36:119-140. |
| [9] | Li SG.;Smolders CA.;Strathmann H.;Vandenboomgaard T. .PHYSICAL GELATION OF AMORPHOUS POLYMERS IN A MIXTURE OF SOLVENT AND NONSOLVENT[J].Macromolecules,1996(6):2053-2059. |
| [10] | Kim Y D;Kim J Y;Lee H K et al.Formation of polyurethane membranes by immersion precipitation (Ⅰ)liquid-liquid phase separation in a polyurethane/DMF/water system[J].Journal of Applied Polymer Science,1999,73:2377-2384. |
| [11] | Kok C M;Rudin A .Prediction of Flory-Huggins interaction parameters from intrinsic viscosities[J].Journal of Applied Polymer Science,1982,27(02):353-362. |
| [12] | Altona F W;Smolders C A .Calculation of liquid-liquid phase separation in a ternary system of a polymer in a mixture of a solvent and a nonsolvent[J].Macromolecules,1982,15:1491-1497. |
| [13] | Boom R M;Van den Boomgaard Th;Van den Berg J W A et al.Linearized cloudpoint curve correlation for ternary systems consisting of one polymer,one solvent and one non-solvent[J].Polymer,1993,34(11):2348-2356. |
| [14] | Matsuyama H;Teramoto M;Nakatani R et al.Membrane formation via phase separation induced by penetration of nonsolvent from vapor phase (Ⅰ) phase diagram and mass transfer process[J].Journal of Applied Polymer Science,1999,74:159-170. |
| [15] | 郝继华.聚合物-溶剂-非溶剂三元相图的计算[J].高等学校化学学报,1995(12):1831. |
| [16] | 钟银屏;赵长生;欧阳庆 等.聚醚砜四元制膜液体系的相图计算[J].膜科学与技术,1997,17(01):63-68. |
| [17] | 曾振辉,黄加乐,董声雄,龚琦,陈坚锐.改进的Marquardt算法研究制膜液三元相图[J].计算机与应用化学,2003(03):313-316. |
| [18] | Banner A L;Piringer O G .Prediction of solute partition coefficients between polyolefins and alcohols using the regular solution theory and group contribution methods[J].Industrial and Engineering Chemistry Research,1991,30(07):1506-1515. |
| [19] | Craubner H .Thermodynamic perturbation theory of phase separation in macromolecular multicomponent systems.2.concentration dependence[J].MACROMOLECULES,1978,11(06):1161-1167. |
| [20] | 秦建军;江成璋 .聚砜制膜液体系的相图研究[J].膜科学与技术,1990,10(03):13-18. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%