采用微波辐照酸活化法制备了酸性蒙脱土(H-MMT),并采用BET、NH3-TPD、热重等分析手段对其结构和性质进行表征.结果表明,改性后蒙脱土的比表面积和孔径增大,表面出现超强酸点位,热力学稳定性增强.将H-MMT与SnCl2进行复配后用于微波辅助原位熔融缩聚制备聚乳酸/蒙脱土(PLA/MMT)纳米复合材料,结果表明,H-MMT同时具备了较好的酸催化及纳米增强作用,以剥离形态存在于高分子基体中,PLA/MMT纳米复合材料的力学、热力学性能得到显著提升.
参考文献
| [1] | 马鹏程,王向东,许国志.熔融插层法制备聚乳酸/蒙脱土纳米复合材料的研究进展[J].中国塑料,2009(07):6-11. |
| [2] | Hai Lei Cao;Peng Wang;Wei Bo Yuan .Microwave-Assisted Synthesis of Poly(L-lactic acid) via Direct Melt Polycondensation Using Solid Super-Acids[J].Macromolecular chemistry and physics,2009(23):2058-2062. |
| [3] | Suprakas Sinha Ray;Mosto Bousmina .Biodegradable polymers and their layered silicate nanocomposites: In greening the 21st century materials world[J].Progress in materials science,2005(8):962-1079. |
| [4] | 王晓立,赵杉林.改性蒙脱土固体酸催化合成乙二醇醚[J].辽宁石油化工大学学报,2008(04):4-8. |
| [5] | Cao, HL;Wang, P;Yuan, WB;Lei, HF .Microwave-Assisted Preparation of Polylactide/Organomontmorillonite Nanocomposites via In Situ Polymerization[J].Journal of Applied Polymer Science,2010(3):1468-1473. |
| [6] | 王鹏.环境微波化学技术[M].北京:化学工业出版社,2003 |
| [7] | Zhang YM;Wang P;Han N;Lei HF .Microwave irradiation: A novel method for rapid synthesis of D,L-lactide[J].Macromolecular rapid communications: Publishing the newsletters of the European Polymer Federation,2007(4):417-421. |
| [8] | 褚睿智,孟献梁,宗志敏,魏贤勇.微波技术在催化剂制备中的应用[J].现代化工,2007(z1):382-386. |
| [9] | 舒静,任丽丽,张铁珍,王鉴,王刚.微波辐射在催化剂制备中的应用[J].化工进展,2008(03):352-357. |
| [10] | 李永绣.稀土改性膨润土的酯化催化活性[J].稀土,1998(05):45. |
| [11] | Characterization Of Smectite After Acid Activation With Microwave Irradiation[J].Applied clay science,2009(3/4):432-438. |
| [12] | 朱湛,王珂,郭炳南,刘吉平.微波对钙基膨润土钠化的影响[J].北京理工大学学报,2001(05):645-648. |
| [13] | 韦藤幼,曹玉红,童张法.微波强化膨润土的改性及其作用机理[J].过程工程学报,2005(04):411-413. |
| [14] | 陈秀琴.酸处理粘土表面B酸量的测定[J].非金属矿,1995(04):25-28. |
| [15] | GATES W P;ANDERSON J S;RAVEN M D .Mineralogy of a bentonite from Miles,Queensland,Australia and characterisation of its acid activation products[J].Applied Clay Science,2002,20:189-197. |
| [16] | 漆宗能;高文字.聚合物/层状硅酸盐纳米复合材料[M].北京:化学工业出版社,2002 |
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