使用漫反射红外傅立叶转换(DRIET)光谱对4种表面改性纳米CaCO3粒子表面烷基长链构象有序度进行了研究,并采用热处理的方式,考察了室温到450C间热处理后粒子表面脂肪酸及分解(裂解)残留物烷基长链构象有序度的变化情况.结果表明:4种样品有序度各不相同,加热处理100C以上有序度明显下降,但原有序度较高的样品在相同处理条件下仍能保持相对较高的有序度.
参考文献
| [1] | 邹海魁,陈建峰,刘润静,沈志刚.纳米CaCO3的制备、表面改性及表征[J].中国粉体技术,2001(05):15-19. |
| [2] | Erikafekete;Béla Pukánszky et al.Surfacemodificationandcharacterizationofparticulatemineralfillers[J].Journal of Colloid and Interface Science,1990,135(01):200. |
| [3] | GilertM;Sutherland I;Guest A .Characterizationofcoatedparticulatefillers[J].Journal of Materials Science,2000,35:391. |
| [4] | SeungJoonLee;Kwan Kim .Diffusereflectanceinfraredspectraofstearicacidself-assembledonfinesilverparticles[J].Vibrational Spectroscopy,1998,18:187. |
| [5] | KjellOerg;Per Persson et al.ComparisonofmonolayerfilmsofstearicacidandmethylstearateonAl2O3surface[J].Thin Solid Films,2001,397:102. |
| [6] | 闻辂.矿物红外光谱学[M].重庆:重庆大学出版社,1989:55. |
| [7] | MarcDPorter;Thomas B Bright;David L Allara et al.Spontaeouslyorganizedmolecularassemblies4Structuralcharacterizationofn-alkylthiolmonolayersongoldbyopticalellipsometry,infraredspectroscopy,andelectrochemistry[J].American Chemical Society,1987,109(12):3559. |
| [8] | DuoisLawrenceH;Nuzzo Ralph G .Synthesis,structureandpropertiesofmodelorganicsurfaces[J].Annual Review of Physical Chemistry,1992,43:437. |
| [9] | 张堃;曾汉民;林木良.表面改性纳米CaCO3热性能研究Ⅰ:TG-FTIR、DSC待发表[M]. |
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