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首页> 外文期刊>Wood and Fiber Science >DECAY RESISTANCE PROPERTIES OF HOT WATER EXTRACTED ORIENTED STRANDBOARD
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DECAY RESISTANCE PROPERTIES OF HOT WATER EXTRACTED ORIENTED STRANDBOARD

机译：热水萃取定向木板的耐腐烂性能。

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The use of extracted wood hemicelluloses as a substrate for fermentation and biofuels production has the added benefit of leaving the remaining wood product intact after extraction and being usable in other applications. However, it is still unclear how these extraction procedures might affect susceptibility to fungal attack. Modified oriented strandboards (OSB) were created by hot water extracting red maple strands before adhesive application and pressing of the strands into boards. Treated and untreated boards were tested for decay susceptibility in a modified ASTM soil block jar bioassay using multiple species of white and brown rot fungi. Results showed no significant differences in decay susceptibility between the untreated and extracted boardsfor all the brown rot fungi tested. The white rot fungi tested were shown to decay the boards made from extracted strands significantly less than the boards made from control strands. These results indicate that modifying OSB panels by removing hemicelluloses for use in ethanol and other alternative fuel production does not increase decay susceptibility to the brown rot fungi tested and appears to confer a degree of decay resistance against the white rot fungi.
机译：将提取的木质半纤维素用作发酵和生物燃料生产的底物具有额外的好处，即在提取后保留完整的剩余木质产品，并可以用于其他应用。然而，仍不清楚这些提取程序如何影响真菌侵袭的敏感性。改性定向刨花板（OSB）是通过在粘接剂施加之前将热水提取红枫木丝并将其压制成板而制成的。在改良的ASTM土块罐生物测定法中，使用多种白色和棕色腐烂真菌，对经过处理和未经处理的木板进行衰减敏感性测试。结果表明，对于所有测试的棕色腐烂真菌，未经处理和提取的木板在腐烂敏感性上均无显着差异。所测试的白腐真菌显示出对由提取的链制成的板的腐烂显着小于由对照的链制成的板。这些结果表明，通过除去用于乙醇和其他替代燃料生产的半纤维素来修饰OSB板不会增加对所测试的褐腐真菌的衰变敏感性，并且似乎赋予了对白腐真菌一定程度的抗腐性。

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