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| Characterization of Surface Adhesion Force of Aramid Short Fiber and Fibrid by AFM |
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| DOI：10.11980/j.issn.0254-508X.2013.09.007 |
| Key Words:AFM probe modification adhesion force pH value NH group |
| Fund Project:陕西省西安市科技局技术转移促进工程项目,编号：CX1256(8)；陕西省造纸技术及特种纸品开发重点实验室访问学者项目,编号：12JS024。 |
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| Abstract:The probe was modified with aramid fibrid membrane to measure the surface adhesion force of aramid short fibers and fibrid in water on the basis of probe modification techniques of AFM. Influence of different pH value on the surface adhesion force of aramid short fibers and fibrid was researched. It was concluded that adhesion forces between probe modified with aramide fibrid membrane and aramid short fiber and fibrid were 1.71 nN and 9.20 nN, respectively, adhesion force of fibrid was greater than that of short fiber. The interaction between the tip of probe and NH group of aramid samples related with pH value, adhesion force between aramid samples and the probe was more strongly influenced by pH value. |
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