Effect of Fiber Alignment on Optical Properties of Cellulose Nanocrystal Films

机译：纤维取向对纤维素纳米晶体薄膜光学性能的影响

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Cellulose based materials display positive uniaxial birefringence. How cellulose is processed and manufactured can maximize this anisotropy. In this study different processing techniques were used to produce cellulose nanocrystal (CNC) thin film. Different processing conditions and techniques were used to align CNC fiber in CNC thin film. After CNC based film was produced, it was optically tested for fiber alignment and birefringent behavior. This study shows that shear casting can align CNC fiber and improve birefringent effect of CNC based materials. Optical studies also helped determine orientation and density distribution of fiber at different orientations. It was found that the birefringence properties in CNC based composite materials are dependent on the incident light wavelength.

机译：纤维素基材料显示出正的单轴双折射。纤维素的加工和制造方式可以最大程度地提高这种各向异性。在这项研究中，使用了不同的处理技术来生产纤维素纳米晶体（CNC）薄膜。使用不同的加工条件和技术将CNC光纤对准CNC薄膜。在生产基于CNC的薄膜后，对其进行光学测试以检查其纤维排列和双折射行为。这项研究表明，剪切铸造可以使CNC纤维对准并提高CNC基材料的双折射效果。光学研究还有助于确定不同取向下纤维的取向和密度分布。发现基于CNC的复合材料中的双折射特性取决于入射光的波长。

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来源
《2014 International Symposium on Optomechatronic Technologies》|2014年|305-309|共5页
会议地点 Seattle WA(US)
作者
Le Edward /A/.; Wei-Chih Wang; Chao Shih Liu; Chih-Wei Wang;
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作者单位

Dept. of Mech. Eng., Univ. of Washington, Seattle, WA, USA;

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原文格式 PDF
正文语种 eng
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关键词
birefringent; casting; cellulose nanocrystal; electrospinning; fiber alignment; optical effect; thin film;

机译：双折射铸造纤维素纳米晶体电纺纤维排列光学效应薄膜;

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4. Effect of Fiber Alignment on Optical Properties of Cellulose Nanocrystal Films [C] . Le Edward /A/., Wei-Chih Wang, Chao Shih Liu, International Symposium on Optomechatronic Technologies . 2014

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Effect of Fiber Alignment on Optical Properties of Cellulose Nanocrystal Films

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