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Enhancing The Properties Of Wood Through Chemical Modification With Palmitoyl Chloride

机译:通过棕榈酰氯的化学改性来增强木材的性能

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Hevea brassiliensis (rubber wood) was esterified with palmitoyl chloride, prepared from the reaction of palmitic acid with thionyl chloride. The weight gain of the wood increased with increasing reaction time and temperature, the esterified wood were evaluated for their photostability and dimensional stability. Fourier transform infrared spectroscopy (FTIR), solid-state cross-polarization/magic angle spinning ~(13)C nuclear magnetic resonance spectroscopy (CP/MAS ~(13)C NMR) were used to elucidate the characteristics of wood after esterification. The dimensional stability and photostability of the wood was improved by esterification. This is an important observation since chemical modification of wood with fatty acid chlorides has been found to induce thermo-plasticity into wood.
机译:用棕榈酰氯将橡胶树橡胶(橡胶木)酯化,该棕榈酰氯是由棕榈酸与亚硫酰氯反应制得的。木材的重量增加随着反应时间和温度的增加而增加,评估了酯化木材的光稳定性和尺寸稳定性。傅里叶变换红外光谱(FTIR),固态交叉极化/魔角旋转〜(13)C核磁共振光谱(CP / MAS〜(13)C NMR)用于阐明酯化后木材的特性。通过酯化改善了木材的尺寸稳定性和光稳定性。这是重要的观察结果,因为已发现用脂肪酸氯化物对木材进行化学改性可诱导木材产生热塑性。

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