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| 纳米TiO2溶胶制备及其对PBO纤维抗紫外光老化的影响 |
| Preparation of TiO2 Nanosol and its Effect On Decelerating UV - Photodegradation of PBO Fiber |
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| DOI：10.3969/j.issn.1671-5322.2009.01.010 |
| 中文关键词: PBO 纤维 纳米 TiO2 溶胶 紫外光 老化 |
| 英文关键词: PBO fiber TiO2 nanosol UV-photo degradation |
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| 中文摘要: |
| 制备了特定配比的TiO2 溶胶,并把TiO2 溶胶应用到PBO 纤维表面形成抗老化TiO2 涂层;使用紫外灯连续照射 PBO 纤维,从宏观力学性能和微观结构两个角度研究TiO2 涂层对缓解PBO 纤维紫外老化速度的作用. |
| 英文摘要: |
| PBO fiber is the most excellent high performance fiber and is called "the king of fiber".But it is a kind of photosensitive material and is prone to degrade under UV radiation,which results in the changes of the fiber’s mechanical properties,finally affects the using of the material.In this paper,the TiO2 sol is prepared at a special proportion.The PBO fiber is coated by the TiO2 sol.The effect of TiO2 coating on the deceleration of UV-photo degradation of PBO fiber is studied from two points of view: mechanical properties and micro structure. |
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