模仿珍珠层结构,采用蒸发诱导自组装的方法,在石英片表面制备了聚三缩丙二醇双丙烯酸酯(PTPG-DA)/SiO2纳米复合薄膜,采用FT-IR、XRD和TEM等分析技术对薄膜结构进行了表征,测试了其摩擦力学行为,并初步讨论了纳米复合薄膜的形成机理.结果表明,所制备的薄膜具有有机/无机有序交替的层状纳米复合结构,其聚合前的层间距为2.65 nm,聚合后的层间距为2.35 nm.聚合后的纳米复合薄膜具有较好的减摩性能.
参考文献
| [1] | Heuer A H,Frink D J,Laraia V J,et al.Innovative materials processing strategies:A biomimetic approach[J].Science,1992,255(5048):1098-1105. |
| [2] | Mann S.Molecular tectonics in biomineralization and biomimetic materials chemistry[J].Nature,1993,365:499-505. |
| [3] | Stupp S I,Braun P V.Molecular manipulation of microstructures:Biomaterials,ceramics,and semiconductors[J].Science,1997,277(5330):1242-1248. |
| [4] | Dabbs D M,Aksay I A.Self-assembled ceramics produced by complex-fluid templation[J].Annu Rev Phys Chem,2000,51:601-622. |
| [5] | Zhang Shengmao,Zhang Jingwei,Zhang Zhijun,et al.Preparation and characterization of self-assembled organic-inorganic nacre-like nanocomposite thin films[J].Materials Letters,2004,58(17/18):2266-2269. |
| [6] | Douglas T.A bright bio-inspired future[J].Science,2003,299(5610):1192-1193. |
| [7] | Decher G,Hong J D.Buildup of ultrathin multiplayer films by a self-assembly process:Consecutive adsorption of anionic and cationic bipolar amphiphiles on charged surfaces[J].Macrmol Chem Macromol Symp,1991,46:321-324. |
| [8] | Tetsuya Y,Keisuke A.Alternate multilayer deposition from ammonium amphiphiles and titanium dioxide crystalline nanosheets using the langmuir-blodgett technique[J].Langmuir,2001,17(9):2564-2567. |
| [9] | Tang Z,Kotov N,Magonov S,et al.Nanostructured artificial nacre[J].Nature Materials,2003,2(6):413-418. |
| [10] | Shichi T,Takagi K.Clay minerals as photochemical reaction fields[J].Journal of Photochemistry and Photobiology C:Photochemistry Reviews,2000,1(2):113-130. |
| [11] | Decher G.Fuzzy nanoassemblies:Toward layered polymeric multicomposites[J].Science,1997,277 (5330):1232-1237. |
| [12] | Chao J,Char K,Hong J D,et al.Fabrication of highly ordered multilayer films using a spin self-assembly method[J].Adv Mater,2001,13(14):1076-1078. |
| [13] | Nuzzo R G,Fusco F A,Allara D L,et al.Spontaneously organized molecular assemblies Ⅲ:Preparation and properties of solution adsorbed monolayers of organic disulfides on gold surfaces[J].J Am Chem Soc,1987,109(8):2358-2368. |
| [14] | Wang L,Kanatzidis M G.Laminated TaS2/polymer nanocomposites through encapsulative precipitation of exfoliated layers[J].ChemMater,2001,13(10):3717-3727. |
| [15] | Sellinger A,Weiss P M,Brinker C J,et al.Continuous selfassembly of organic-inorganic nanocomposite coatings that mimic nacre[J].Nature,1998,394:256-260. |
| [16] | Lu Y,Yang Y,Sellinger A,et al.Self-assembly of mesoscopically ordered chromatic polydiacetylene/silica nanocomposites[J].Nature,2001,410:913-917. |
| [17] | Smarsly B,Garnweitner G,Assink R,et al.Preparation and characterization of mesostructured polymer-functionalized solgel-derived thin films[J].Progress in Organic Coatings,2003,47(3/4):393-400. |
| [18] | 陈用烈,曾兆华,杨建文.辐射固化材料及其应用[M].北京:化学工业出版社,2003:182-183.Chen Yonglie,Zeng Zhaohua,Yang Jianwen.Radiation Curing Material and Its Application[M].Beijing:Chemical Industry Press,2003:182-183. |
| [19] | 李艳,付绍云,林大杰,等.二氧化硅/聚酰亚胺纳米杂化薄膜室温及低温力学性能[J].复合材料学报,2005,22(2):11-15.Li Yan,Fu Shaoyun,Lin Dajie,et al.Mechanical properties of polyimide composites filled with SiO2 nano-particles at room and cryogenic temperatures[J].Acta Materiae Compositae Sinica,2005,22(2):11-15. |
| [20] | Kresge C T,Leonowicz M E,Roth W J,et al.Ordered mesoporous molecular sieves synthesized by a liquid-crystal template mechanism[J].Nature,1992,359:710-712. |
| [21] | Mann S.Molecular recognition in biomineralization[J].Nature,1998,332:119-124. |
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