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首页> 外文期刊>Journal of Applied Polymer Science >Graded-index plastic optical fiber with high mechanical properties enabling easy network installations. I
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Graded-index plastic optical fiber with high mechanical properties enabling easy network installations. I

机译：具有高机械性能的渐变折射率塑料光纤，可轻松进行网络安装。一世

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A doped poly(methyl methacrylate) (PMMA)based graded-index plastic optical fiber (GI POF) with high mechanical strength is reported for the first time. Although the POF is generally believed to have a good mechanical flexibility even if it has a large-core diameter, such a high mechanical strength has been provided by making the polymer chains in the POF highly oriented in its axial direction. If such an orientation of polymer chains is eliminated, the POF becomes brittle, which is similar to silica-based fibers. On the other hand, too high an orientation of the polymer chains induces fiber deformation in a high-temperature atmosphere resulting from orientation relaxation. This study reports how high mechanical strengths such as the tensile strength and the large elongation are provided to the GI POF. By selecting the optimum heat-drawing conditions, the GI POF has a mechanical strength comparable to that of the commercially available step index (SI) POF. (C) 2003 Wiley Periodicals, Inc. J Appl Polyrn Sci 91: 404-409, 2004. [References: 8]
机译：首次报道了具有高机械强度的掺杂聚甲基丙烯酸甲酯（PMMA）基渐变折射率塑料光纤（GI POF）。尽管通常认为POF即使具有大芯径也具有良好的机械柔韧性，但是通过使POF中的聚合物链沿其轴向高度取向而提供了如此高的机械强度。如果消除了聚合物链的这种取向，则POF会变脆，这类似于二氧化硅基纤维。另一方面，聚合物链的取向过高会在高温气氛中引起由取向松弛引起的纤维变形。这项研究报告了如何为GI POF提供较高的机械强度，例如拉伸强度和大伸长率。通过选择最佳的吸热条件，GI POF的机械强度可与市售的阶跃指数（SI）POF相比。 （C）2003 Wiley Periodicals，Inc. J Appl Polyrn Sci 91：404-409，2004。[参考：8]

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