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木材仿生趋磁性及其超疏水性能
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科技导报 | 专题论文 2016, 34(19): 46-49
木材仿生趋磁性及其超疏水性能
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姚秋芳1, 陈逸鹏1, 钱特蒙1, 李松1, 金春德1,2, 孙庆丰1,2
作者信息
    1. 浙江农林大学工程学院, 杭州 311300;
    2. 浙江省木材科学与技术重点实验室, 杭州 311300

通讯作者:

孙庆丰(通信作者),副教授,研究方向为木材仿生智能科学、生物质废弃资源的高值功能化开发利用,电子信箱:qfsun@zafu.edu.cn
Bionic magnetotaxis of wood and its superhydrophobic properties
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出版时间: 2016-10-13 doi: 10.3981/j.issn.1000-7857.2016.19.006
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室温条件下,利用含Fe3+和Fe2+盐为前体的化学共沉淀法,成功地在木材表面上附着纳米磁性γ-Fe2O3颗粒,并经过进一步化学改性后得到超疏水性材料。利用SEM、XRD、VSM及FT-IR等分析技术对样品进行了表征分析。结果显示,磁性粒子的形状类似颗粒状,并均匀地附在木材表面;γ-Fe2O3纳米粒子通过氢键作用与木材表面的羟基相互键合而成功附着在木材表面,并且具有良好的晶型,且磁性γ-Fe2O3纳米颗粒显示出良好的超顺磁性,经过改性的磁化材料具备很好的超疏水性。
趋磁性  /  超疏水  /  γ-Fe2O3  /  共沉淀法
The magnetic γ-Fe2O3 nanoparticles are successfully deposited on the surface of the wood via a chemical co-precipitation method with Fe3+ and Fe2+ salts as precursors at the room temperature and with a modification, which show good hydrophobic properties. The scanning electron microscopy(SEM), the X-ray diffraction(XRD), the Fourier transform infrared spectroscopy(FT-IR), and the vibrating sample magnetometer(VSM) are employed to characterize the features of the grown magnetic nanoparticles on the surface of the wood. The SEM images show that the shape of magnetic particles is granular. The XRD spectrum shows that the γ-Fe2O3 nanoparticles with good crystalline are successfully grown on the wood surface. The magnetic γ-Fe2O3 nanoparticles display good superparamagnetic behavior and are chemically bonded to the bamboo surface through the combination of the hydrogen groups. After modified, the magnetic wood material has good superhydrophobic properties.
magnetotaxis  /  superhydrophobic  /  γ-Fe2O3  /  co-precipitation method
姚秋芳, 陈逸鹏, 钱特蒙, 李松, 金春德, 孙庆丰. 木材仿生趋磁性及其超疏水性能. 科技导报, 2016 , 34 (19) : 46 -49 . DOI: 10.3981/j.issn.1000-7857.2016.19.006
YAO Qiufang, CHEN Yipeng, QIAN Temeng, LI Song, JIN Chunde, SUN Qingfeng. Bionic magnetotaxis of wood and its superhydrophobic properties[J]. Science & Technology Review, 2016 , 34 (19) : 46 -49 . DOI: 10.3981/j.issn.1000-7857.2016.19.006
2016年第34卷第19期
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doi: 10.3981/j.issn.1000-7857.2016.19.006
  • 接收时间:2015-12-15
  • 首发时间:2016-10-21
  • 出版时间:2016-10-13
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  • 收稿日期:2015-12-15
  • 修回日期:2016-02-29
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通讯作者:

孙庆丰(通信作者),副教授,研究方向为木材仿生智能科学、生物质废弃资源的高值功能化开发利用,电子信箱:qfsun@zafu.edu.cn
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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