The effect of low energy ion implantation on crystallinity structure and morphological structure of cellulose

ZHANG Ning; JIANG Jianchun; FANG Jing; ZHANG Yu; YU Long

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The effect of low energy ion implantation on crystallinity structure and morphological structure of cellulose

更新时间：2023-03-30

- The effect of low energy ion implantation on crystallinity structure and morphological structure of cellulose
- Journal of Radiation Research and Radiation Processing Vol. 28, Issue 4, Pages: 215-219(2010)
- 作者机构：
  
  1.中国林业科学研究院林产化学工业研究所　国家林业局林产化学工程重点开放性实验室　南京　210042
  2.南京工业大学　南京　210009
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ZHANG Ning, JIANG Jianchun, FANG Jing, et al. The effect of low energy ion implantation on crystallinity structure and morphological structure of cellulose. [J]. Journal of Radiation Research and Radiation Processing 28(4):215-219(2010)
DOI：

ZHANG Ning, JIANG Jianchun, FANG Jing, et al. The effect of low energy ion implantation on crystallinity structure and morphological structure of cellulose. [J]. Journal of Radiation Research and Radiation Processing 28(4):215-219(2010) DOI：

摘要

采用红外光谱（IR），X射线衍射分析和扫描电镜（SEM）对低能离子(N,+,)注入纤维素粉微观结构的变化进行了研究。结果表明，低能离子辐照使纤维素分子内和分子间氢键均发生了断裂；随着辐照剂量的增加，纤维素相对结晶度逐渐减小，当注量增加到1500×10,14,cm,-2,时，相对结晶度较对照减少6.84%；纤维素颗粒直径逐渐变小，纤维变得越来越不完整，纤维表面出现较明显分层脱落现象，大多呈现的是细小碎片。

Abstract

The changes of cellulose microstructure after implanted by low energy N,+, were characterized by IR, X-rays diffraction and SEM. The results showed that the cellulose intra-molecular and the intermolecular hydrogen bond have broken after implanted by low energy N,+,. With the increment of implanted ion doses, the cellulose relative degree of crystallinity reduced gradually. When the implantation doses increased to 1500×10,14, cm,-2, the relative degree of crystallinity decreased 6.84% compared with the control sample; and the cellulose particle diameter reduced gradually too, the fiber became more and more incomplete. There were obvious laminations on the surface of fiber, and mostly were tiny fragment.

关键词

纤维素离子注入结晶度微观结构

Keywords

CelluloseIon implantationDegree of crystallinityMorphological structure

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