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Controllable Black or White laser patterning of polypropylene induced by carbon nanotubes  
Controllable Black or White laser patterning of polypropylene induced by carbon nanotubes
資料類型: PDF文件
關鍵詞: Laser  patterning  Polypropylene  Carbon  nanotubes  Carbonization  Grayscale  
資料大?。?/td> 343k
所屬學科: 通用高分子材料
來源: 來源網(wǎng)絡
簡介:
Carbon nanotubes (CNTs) were used to enhance the laser patterning performance of polypropylene (PP). The three-dimensional network structure formed by CNTs can effectively improve the photothermal conversion effect of PP/CNT composites. The results show that the addition of 10 ppm CNTs endowed PP with a clear black laser patterning performance. As the content of CNTs is increased from 10 ppm to 200 ppm, the grayscale of the laser-induced patterns changed from black to white. An amorphous carbon material constituted the laser-induced pattern, which was confirmed by Raman spectroscopy. In addition, the SEM results revealed that the morphology of the laser-induced carbonized points can affect the grayscale of the laser-induced patterns. This study proposes a simple and efficient method for improving the laser patterning performance of polymer materials using CNTs. In addition, this work provides an effective direction for practical applications of grayscale-controlled (black and white) laser-induced patterns.
上傳人: caozheng
上傳時間: 2020-03-04 0:31:52
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