IHEP OpenIR
Impact of heating on the nanostructure of Red pine studied by small angle X-ray scattering
Cheng, WD; Wu, ZJ; Zhou, MY; Xing, XQ; Mo, G; Wu, ZH;邢雪青; Mo G(默广); Wu ZH(吴忠华)
2014
Source PublicationJOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
ISSN0165-2370
EISSN1873-250X
Volume108Pages:222-227
AbstractThe impact of anoxic heating on the nanostructure of the Red pine specimen was studied by small angle X-ray scattering from room temperature to 350 degrees C. A tangent-by-tangent method was used to analyze the SAXS data. The results demonstrated that the multihierarchical scatterers in the Red pine specimen can be roughly divided into one sharp component and one wide component. The sharp component (Scatterer A) is mainly corresponding to the cellulose microfibrils (CMFs), whereas the wide component includes CMF bundles, hemicellulose-lignin matrix (HLM), nanopores, and so on. The scatterer sizes in the wide component can be further divided into five different sizes (B, C, D, E, F). The scatterer size changes with heating temperature or time have been extracted. The diameters of single CMF is about 2.8 nm, the diameter of CMF bundle is about 18.3 nm. The surrounding thickness around CMF bundles is about 7.1 nm. A schematic model has been tentatively proposed to describe the assembly of HLM and CMFs in the Red pine specimen. A detailed discussion about the structural changes with the heating temperature has been given in this paper. (C) 2014 Elsevier B.V. All rights reserved.
KeywordSmall angle X-ray scattering Tangent-by-tangent method Red pine Nanostructure Heat effect
Subject AreaChemistry; Spectroscopy
DOI10.1016/j.jaap.2014.04.013
Indexed BySCI
Language英语
WOS IDWOS:000339598900026
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/225055
Collection中国科学院高能物理研究所
Recommended Citation
GB/T 7714
Cheng, WD,Wu, ZJ,Zhou, MY,et al. Impact of heating on the nanostructure of Red pine studied by small angle X-ray scattering[J]. JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS,2014,108:222-227.
APA Cheng, WD.,Wu, ZJ.,Zhou, MY.,Xing, XQ.,Mo, G.,...&吴忠华.(2014).Impact of heating on the nanostructure of Red pine studied by small angle X-ray scattering.JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS,108,222-227.
MLA Cheng, WD,et al."Impact of heating on the nanostructure of Red pine studied by small angle X-ray scattering".JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS 108(2014):222-227.
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