主要研究了原位合成法制备羟基磷灰石/碳纳米管复合材料过程中不同因素对最终产物的影响.研究发现浓硝酸氧化处理可以在碳纳米管表面缺陷处引入大量羧基与羟基,这些官能团一方面可以提高碳纳米管在水中的分散性,另一方面在溶液中可以吸附钙离子,进而原位合成复合材料.XRD分析表明pH值是复合材料制备过程中的关键因素,pH＞10时,复合材料中仅有碳纳米管和羟基磷灰石两种物相,其中纳米级的短棒状羟基磷灰石均匀吸附在碳纳米管表面,与之形成较强的界面结合;pH值小于8时,复合材料由层片状的CaHPO4·2H2O和CNTs构成.
参考文献
| [1] | Marek Trojanowicz .Analitical Application of Carbon Nanotubes:a Review[J].Trends in Analytical Chemistry,2006,25(05):480-489. |
| [2] | Miyagawa H;Rich MJ;Drzal LT .Thermo-physical properties of epoxy nanocomposites reinforced by carbon nanotubes and vapor grown carbon fibers[J].Thermochimica Acta: An International Journal Concerned with the Broader Aspects of Thermochemistry and Its Applications to Chemical Problems,2006(1/2):67-73. |
| [3] | 殷海青.浅析碳纳米管对重金属离子的吸附[J].青海科技,2005(05):44-46. |
| [4] | 吴胜伟,刘士远,郭金学,李燕,李玉兰,李文新.同位素示踪法在碳纳米管填充释放行为研究中的应用[J].核化学与放射化学,2004(04):225-229. |
| [5] | 李爱民,孙康宁,董维芳,尹衍升,王昕.烧结工艺对碳纳米管/羟基磷灰石复合材料力学性能与微观结构的影响[J].人工晶体学报,2004(04):624-628. |
| [6] | 孙康宁,李爱民,尹衍升,于志云.碳纳米管/羟基磷灰石复合材料的制备研究[J].中国生物医学工程学报,2004(06):573-578,515. |
| [7] | G.M. odegard;T.S. Gates;K.F. Wise .Constitutive modeling of nanotube-reinforced polymer composites[J].Composites science and technology,2003(11):1671-1687. |
| [8] | Michael Griebel;Jan Hamaekers .Molecular dynamics simulations of the elastic moduli of polymer-carbon nanotube composites[J].Computer Methods in Applied Mechanics and Engineering,2004(issues 17/20):1773-1788. |
| [9] | 童昕,赫秀娟,成会明.添加纳米碳管对高密度聚乙烯力学行为和结晶过程的影响[J].新型炭材料,2004(04):261-267. |
| [10] | 周晓蓉,郑薇薇.单壁碳纳米管肺脏毒性的研究[J].毒理学杂志,2005(03):195-195. |
| [11] | Santosh Aryal;K.C. Remant Bahadur;N. Dharmaraj .Synthesis and Characterization of Hydroxyapatite Using Carbon Nanotubes as a Nano-matrix[J].Scripta materialia,2006(2):131-135. |
| [12] | Zhao B;Hu H;Swadhin K;Mandal et al.A Bone Mimic Based on the Self-assembly of Hydroxyapatite on Chenmically Functionalized Singlewalled Carbon Nanotubes[J].Chemistry of Materials,2005,17:3235-3241. |
| [13] | Zhao L P;Gao L .Novel in situ synthesis of MWNTs-hydroxyapatite Composites[J].CARBON,2004,42:423-460. |
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%