采用原位聚合法以三聚氰胺-甲醛树脂为壁材制备了甲维盐微胶囊.探讨了不同黏均相对分子质量羟乙基纤维素作为乳化剂对微胶囊表面形貌、粒径及其分布、包覆率与载药量的影响,对使用不同黏均相对分子质量羟乙基纤维素作为乳化剂制备的微胶囊的释放性能进行了表征.结果表明,以相对分子质量较小的羟乙基纤维素制备的微胶囊外形规则、致密且无黏连现象.随羟乙基纤维素黏均相对分子质量的增加所得微胶囊的平均粒径及粒径分布逐渐增大,包覆率与载药量逐渐减小.释放性能的研究表明,采用相对分子质量较小的羟乙基纤维素制备的微胶囊的释放性能较好.
参考文献
| [1] | GAO Delin.Applications of Microencapsulation Technologies in Pesticide Formulations[J].Mod Chem Ind,2000,20(2):10-14(in Chinese).高德霖.微胶囊技术在农药剂型中的应用[J].现代化工,2000,20(2):10-14. |
| [2] | LENG Yang,ZHONG Sulin,WU Jianlan,et al.The Development Situation of Pesticide Formulation-Microencapsulation[J].Pestic Sci Admin,2003,24(3):34-37(in Chinese).冷阳,仲苏林,吴建兰,等.农药微囊剂型的开发与现状[J].农药科学与管理,2003,24(3):34-37. |
| [3] | Feely W F,Crouch L S,Arison B H,et al.Photodegradation of 4"-(Epimethylamino)-4"-deoxyavermectin B1a Thin Films on Glass[J].Agric Food Chem,1992,40:691-696. |
| [4] | Miller G C,Zepp R G.Extrapolating Photolysis Rates from the Laboratory to the Environment[J].Residue Rev,1983,85:89-110. |
| [5] | XU Hu,XU Fengbo.The Study and Progress on Photodegredation of Emamectin Benzoate[J].Pesticides,2003,42 (10):5-8 (in Chinese).徐虎,徐凤波.甲胺基阿维菌素苯甲酸盐的光解研究与进展[J].农药,2003,42(10):5-8. |
| [6] | LI Wei,LU Fusui,GUO Wenting,et al.Preparation and Characterization of Emamectin Benzoate Microcapsules[J].Chinese J Appl Chem,2010,27(12):1381-1385 (in Chinese).李伟,路福绥,郭雯婷,等.甲胺基阿维菌素苯甲酸盐微胶囊的制备与表征[J].应用化学,2010,27(12):1381-1385. |
| [7] | GUO Huilin,ZHAO Xiaopeng.Preparation and Application of Nanocapsule[J].J Funct Mater,2003,34(6):609-611 (in Chinese).郭慧林,赵晓鹏.纳米胶囊的制备及其应用[J].功能材料,2003,34(6):609-611. |
| [8] | Ingrid J Castellanos,Ruben Crespo,Kai Griebenow.Poly (ethylene glycol) as Stabilizer and Emulsifying Agent:A Novel Stabilization Approach Preventing Aggregation and Inactivation of Proteins upon Encapsulation in Bioerodible Polyester Microspheres[J].J Controlled Release,2003,88:135-145. |
| [9] | Emilia Pisani,Elias Fattal,Juliane Paris,et al.Surfactant Dependent Morphology of Polymeric Capsules of Perfluorooctyl Bromide:Influence of Polymer Adsorption at The Dichloromethane Water Interface[J].J Colloid Interface Sci,2008,326:66-71. |
| [10] | Yokoi H,Maki R,Hirose J.Microbial Production of Hydrogen from Starch-manufacturing Wastes[J].Biomass Bioenerg,2002,22:389-395. |
| [11] | Patruyo L G,Müller A J,SáezA E.Shear and Extensional Rheology of Solutions of Modified Hydroxyethyl Celluloses and Sodium Dodecyl Sulfate[J].Polymer,2002,43:6481-6493. |
| [12] | Glass J E.Polymers in Aqueous Media[M].Washington:American Chemical Society,DC,1989. |
| [13] | Schulz D N,Glass J E,Eds.Polymers as Rheology Modifiers[M].Washington:American Chemical Society,DC,1991. |
| [14] | LIANG Zhenyi,LI Jiacheng,WANG Yongqiang.The Simultaneous Determination of Abamectin and Emamectin Benaoate in the Micro-emulsion Using High Performance Liquid Chromatography[J].Nat Sci J Hainan Univ,2007,25 (4):349-352 (in Chinese).梁振益,李嘉诚,王永强.高效液相色谱法同时测定阿-甲微乳剂中的阿维菌素和甲氨基阿维菌素苯甲酸盐[J].海南大学学报(自然科学版),2007,25(4):349-352. |
| [15] | YUAN Qingmei,YANG Hongwei,ZHANG Faguang,et al.Preparation of Rotenone Microcapsules by In-situ Polymerization[J].Chinese J Appl Chem,2006,23(4):382-385(in Chinese).袁青梅,杨红卫,张发广,等.原位聚合法制备鱼藤酮微胶囊[J].应用化学,2006,23(4):382-385. |
| [16] | Bu H,Kj(o)niksen A L,Elgsaeter A,et al.Interaction of Unmodified and Hydrophobically Modified Alginate with Sodium Dodecyl Sulfate in Dilute Aqueous Solution:Calorimetric,Rheological,and Turbidity Studies[J].Colloids Surf A,2006,278:166-174. |
| [17] | Maestro M C,Gutiérrez J M.Rheological Behavior of Hydrophobically Modified Hydroxyethyl Cellulose Solutions:A Linear Viscoelastic Model[J].J Rheol,2002,46:322-334. |
| [18] | ZHENG Wenjie,YE Jun,XIONG Jian.Research Progress of Rheological Behavior of Modified Hydroxyethyl Cellulose Solutions[J].Chem Ind Eng Prog,2007,26(5):636-639(in Chinese).郑文杰,叶君,熊犍.改性羟乙基纤维素水溶液流变性能的研究进展[J].化工进展,2007,26 (5):636-639. |
| [19] | Katharina Landfester,Nina Bechthold,Franca Tiarks,et al.Formulation and Stability Mechanisms of Polymerizable M iniemulsions[J].Macromolecules,1999,32 (16):5222-5228. |
| [20] | Anthony O,Zana R.Interactions Between Water-Soluble Polymers and Surfactants:Effect of the Polymer Hydrophobicity.1.Hydrophilic Polyelectrolytes[J].Langmuir,1996,8:1967-1975. |
| [21] | YANG Yuliang,HU Hanjie.Polymer Physics[M].Beijing:Chemical Industry Press,2001:12-47 (in Chinese).杨玉良,胡汉杰.高分子物理[M].北京:化学工业出版社,2001:12-47. |
| [22] | Gelman R A.Hydrophobically Modified Hydroxyethylcellulose[C]//Proceedings of the International Dissolving Pulps Conference,Geneva,1987:159-165. |
| [23] | BI Fuchun,ZHAO Jianping.The Outline of Activities of Emamectin Benzoate Against Major Insects of China[J].Mod Agrochem,2003,2(2):34-36(in Chinese).毕富春,赵建平.甲氨基阿维菌素苯甲酸盐对主要害虫药效概述[J].现代农药,2003,2(2):34-36. |
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