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    Effects of Steam Heat-Treatment on Properties of Pinus massoniana Wood and Its Bonding Performance

    Meifen Tian1,#, Bengang Zhang2,#, Zhigang Wu1,2,*, Liping Yu1,*, Lifen Li1, Xuedong Xi2,3

    Journal of Renewable Materials, Vol.9, No.4, pp. 789-801, 2021, DOI:10.32604/jrm.2021.013844

    Abstract Pinus massoniana wood was modified by steam heat-treatment at 160°C, 180°C, 200°C and 220°C respectively and effects of the changes of density, pH, surface wettability and apparent morphology of Pinus massoniana heat-treated wood on its bonding performance were studied in this paper. The results showed that Pinus massoniana wood underwent a series of physical and chemical changes during heat-treatment as the the following: (1) The degradation of hemicellulose and cellulose with low degree of polymerization, degradation and migration of the extract resulting in the decline of density and pH of heat-treated Pinus massoniana wood. (2) Brittle fracture occured on the… More >

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