通过原位聚合法,以不同相对分子质量的苯乙烯马来酸酐共聚物水溶液(SMAH)为分散剂,石蜡为芯材,三聚氰胺甲醛(MF)树脂为壳材制备了石蜡微胶囊.利用聚焦光束反射测量仪在线检测了体系的粒径分布及不同粒径范围的粒子数,微胶囊样品形貌采用扫描电镜表征.通过研究认为,微胶囊在成囊过程中,三聚氰胺甲醛树脂预聚体先在溶液中形成小粒子,小粒子被石蜡表面的分散剂吸附并沉积于石蜡液滴表面,缩聚形成壳层.SMAH分散剂的相对分子质量越大,其分散能力越强,得到的微胶囊平均粒径越小,粒径分布较窄.
参考文献
| [1] | Tung-Chai Ling;Chi-Sun Poon .Use of phase change materials for thermal energy storage in concrete:An overview[J].Construction and Building Materials,2013(Sep.):55-62. |
| [2] | 陆少锋,邢建伟,吴钦,贺江平,任燕.界面聚合聚脲/聚氨酯双层微胶囊相变材料的研制与性能[J].高分子材料科学与工程,2011(01):17-19,23. |
| [3] | Wang, Y.;Li, P.;Peng, Z.;She, F.H.;Kong, L.X. .Microencapsulation of nanoparticles with enhanced drug loading for pH-sensitive oral drug delivery for the treatment of colon cancer[J].Journal of Applied Polymer Science,2013(2):714-720. |
| [4] | Yang JL;Keller MW;Moore JS;White SR;Sottos NR .Microencapsulation of Isocyanates for Self-Healing Polymers[J].Macromolecules,2008(24):9650-9655. |
| [5] | Rama Dubey;T.C. Shami;K.U. Bhasker Rao .Microencapsulation Technology And Applications[J].Defence science journal,2009(1):82-95. |
| [6] | E.N.Brown;M.R.Kessler;N.R.Sottos;S.R.White .In situ poly(urea-formaldehyde)microencapsulation of dicyclopentadiene[J].Journal of Microencapsulation: Microcapsules Liposomes Nanoparticles Microcells Microspheres,2003(6):719-730. |
| [7] | Fei Yu;Zhong-Hua Chen;Xing-Rong Zeng .Preparation, characterization, and thermal properties of microPCMs containing n-dodecanol by using different types of styrene-maleic anhydride as emulsifier[J].Colloid and polymer science,2009(5):549-560. |
| [8] | 吴义春,徐志磊,李春兰,雷蕾.粒径分析仪在聚酯型聚氨酯预聚体制备中的应用[J].高分子材料科学与工程,2012(04):114-116,120. |
| [9] | 张本山,陈福泉,赵永青,高凌云,陈翠兰,卢海凤,韩忠.聚焦光束反射分析仪测定淀粉颗粒粒径分布[J].华南理工大学学报（自然科学版）,2010(04):55-60. |
| [10] | Jun-Feng Su;Sheng-Bao Wang;Yun-Yi Zhang .Physicochemical properties and mechanical characters of methanol-modified melamine-formaldehyde (MMF) shell microPCMs containing paraffin[J].Colloid and polymer science,2011(2):111-119. |
| [11] | Su JF;Wang LX;Ren L;Huang Z;Meng XW .Preparation and characterization of polyurethane microcapsules containing n-octadecane with styrene-maleic anhydride as a surfactant by interfacial polycondensation[J].Journal of Applied Polymer Science,2006(5):4996-5006. |
| [12] | Yu Rao;Guiping Lin;Yan Luo;Shuilin Chen;Liang Wang .Preparation and Thermal Properties of Microencapsulated Phase Change Material for Enhancing Fluid Flow Heat Transfer[J].Heat transfer Asian research,2007(1):28-37. |
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%