以十二烷基硫酸钠/甲苯/2-丁醇/盐水双连续微乳液相为模板,制备了3种组分双连续有机凝胶,水凝胶和有机/水杂化凝胶.12-羟基硬脂酸(12-HA)为有机凝胶剂.它们固定了水和油并使水和油微相共存于凝胶中.以静态光散射(SLS)测定了各双连续相微乳液的粒径,结果显示值在8～80nm.扫描电子显微镜观察了各凝胶的形貌,表明凝胶为连续孔网络结构.差示扫描量热(DSC)和热重(TG)研究了凝胶的热性能,由于双连续结构3种凝胶显示多个吸热和失重峰.与纯的闭孔聚丙烯酰胺相比,双连续水凝胶的溶胀率明显降低,饱和溶胀所需时间大大减小.
参考文献
| [1] | Walker L M;Kuntz D M .[J].Current Opinion in Colloid & Interface Science,2007,12(03):101-105. |
| [2] | Tokuyama H;Kanehara A .Novel synthesis of macroporous Poly(N-isopropylacrylamide) hydrogels using oil-in-water emulsions[J].Langmuir: The ACS Journal of Surfaces and Colloids,2007(22):11246-11251. |
| [3] | Shah D O.Surface Phenomena in Enhanced Recovery[M].New York:Plenum Press,1981:479-480. |
| [4] | Hao Jingcheng .[J].Journal of Polymer Science Part A: Polymer Chemistry,2001,39(19):3320-3334. |
| [5] | Cameron NR.;Flook KJ.;Wren SAC. .Polymerised bicontinuous microemulsions as stationary phases for capillary electrochromatography[J].Chromatographia,2003(3/4):203-206. |
| [6] | Li TD.;Chew CH.;Teo WK.;Gan LH.;Gan LM. .HOLLOW-FIBER MEMBRANES COATED WITH POLYMERIZABLE BICONTINUOUS MICROEMULSIONS[J].Journal of Membrane Science,1997(2):177-187. |
| [7] | Peinado C;Bosch P;Martin V;Corrales T .Photoinitiated polymerization in bicontinuous microemulsions: Fluorescence monitoring[J].Journal of Polymer Science, Part A. Polymer Chemistry,2006(18):5291-5303. |
| [8] | Michael A. Rogers;Amanda J. Wright;Alejandro G. Marangoni .Crystalline stability of self-assembled fibrillar networks of 12-hydroxystearic acid in edible oils[J].Food Research International,2008(10):1026-1034. |
| [9] | de Geyer A;Guillermo A;Rodriguez V et al.[J].Journal of Physical Chemistry B,2000,104(28):6610-6617. |
| [10] | Bastiat G;Grassl B;Francois J .Micellar copolymerization of associative polymers: Study of the effect of acrylamide on sodium dodecyl sulfate-poly(propylene oxide) methacrylate mixed micelles[J].Journal of Colloid and Interface Science,2005(2):359-370. |
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%