木材多尺度孔隙结构及表征方法研究进展

doi:10.11707/j.1001-7488.20141017

Abstract

Abstract:

The pore structure in wood has significant influences on the modification and drying of wood. Hence, in the present work, there was an introduction to the macro-meso-micro pore distribution, pore size and pore shape in wood, effects of wood and treatments such as drying, pyrolysis etc. on the pore structure, the advantages and disadvantages of traditional characterization methods of pore structure, and fundamentals of DSC thermoporometry, NMR cryoporometry and hyperpolarized ¹²⁹Xe NMR to get a better understanding of wood pore structure. Furthermore, several suggestions such as to study the mesopores and micropores in cell wall, especially the relationship between pore shape and water status and migration, to avoid influences of internal and external factors on wood pore structures research, to explain wood physical properties on the basis of wood pore structures and to explore wood pore structures by multi-technology were formed to contribute to the further research on the wood pore structure and application in other research area.

Key words: wood, pore structure, effect factors, characterization methods

CLC Number:

S781

Wang Zhe, Wang Ximing. Research Progress of Multi-Scale Pore Structure and Characterization Methods of Wood[J]. Scientia Silvae Sinicae, 2014, 50(10): 123-133.

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Research Progress of Multi-Scale Pore Structure and Characterization Methods of Wood

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