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| Study on the Properties of Para Aramid Fibrid and PPTA Paper |
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| DOI：10.11980/j.issn.0254-508X.2014.03.005 |
| Key Words:para aramid pulp fibrids properties of fibers properties of paper |
| Fund Project:国家高技术研究发展计划（863）重大项目（2012AA-03A208）；陕西省科技统筹创新工程计划项目（2011ktcg01-19）；陕西省工业攻关项目(2011K08-08)。 |
| Author Name | Affiliation | | 江 明 | 陕西科技大学,陕西省造纸技术及特种纸品开发重点实验室,陕西西安,710021 | | 张美云 | 陕西科技大学,陕西省造纸技术及特种纸品开发重点实验室,陕西西安,710021 | | 陆赵情 | 陕西科技大学,陕西省造纸技术及特种纸品开发重点实验室,陕西西安,710021 | | 刘俊华 | 陕西科技大学,陕西省造纸技术及特种纸品开发重点实验室,陕西西安,710021 | | 杨 斌 | 陕西科技大学,陕西省造纸技术及特种纸品开发重点实验室,陕西西安,710021 |
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| Abstract:This article analyzed and compared the morphology, crystal structure and morphological parameters of the para aramid pulp fibers and the fibrids as well as the properties of the papers made of the pulp fibers and fibrids by scanning electron microscopy, surface area analyzer, fiber morphology analyzer, X-ray diffraction and other modern instruments. It was found that compared with the pulp fibers, fibrid was non-granular and smaller in size, it had the shape like a slice or wrinkled membrane, with large surface area, to 7.35 m2/g, and high surface activity; fibrid crushing a high degree of uniformity, with good length distribution, softness, and high strength and toughness; fibrid crystallinity was 28.55%, with small grain size, it had fine silk crystal structure and it was conducive to the formation and strength of the paper; the mechanical strength and the electrical properties of fibrid paper was higher than PPTA pulp paper． |
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