纺织学报 ›› 2009, Vol. 30 ›› Issue (10): 90-95.

• 染整与化学品 • 上一篇    下一篇

高温脱胶对棉秆皮纤维成分与结构的影响

杨震;孙斌;张玉高;谌文惠;张裕华;冯新星;陈建勇   

  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2009-10-15 发布日期:2009-10-15

  • Received:1900-01-01 Revised:1900-01-01 Online:2009-10-15 Published:2009-10-15

摘要: 研究棉秆皮纤维高温脱胶技术,讨论高温时NaOH用量对棉秆皮纤维成分与结构的影响。通过SEM、FT-IR、XRD对棉秆皮纤维高温脱胶前后的表面形态、聚集态结构进行了表征。通过测定脱胶后的黑液残碱量表明反应是否充分。对脱胶后的棉秆皮纤维进行断裂强力测试和热性能分析,从中得出脱胶效果较好的工艺参数。实验结果表明:高温脱胶后的棉秆皮纤维半纤维素和木质素下降明显,纤维素含量提高到接近93%;棉秆皮纤维的断裂强力和热稳定性与碱用量有关。

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