三聚氯氰改性对稻草结构及其水解性能的影响

doi:10.3969/j.issn.1000-2006.2015.01.021

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南京林业大学学报（自然科学版） ›› 2015, Vol. 39 ›› Issue (01): 114-118.doi: 10.3969/j.issn.1000-2006.2015.01.021

三聚氯氰改性对稻草结构及其水解性能的影响

刘琳,田秀枝,谢玲玲,蒋学^*

江南大学纺织服装学院,生态纺织教育部重点实验室,江苏无锡 214122

出版日期:2015-01-31 发布日期:2015-01-31
基金资助:
收稿日期:2013-10-08 修回日期:2014-06-24
基金项目:国家自然科学基金项目(31270632); 中国博士后科学基金面上项目(2013M540413)
第一作者:刘琳,硕士生。*通信作者:蒋学,副教授。E-mail: jiangx@jiangnan.edu.cn。
引文格式:刘琳,田秀枝,谢玲玲,等. 三聚氯氰改性对稻草结构及其水解性能的影响[J]. 南京林业大学学报:自然科学版,2015,39(1):114-118.

Effect of cyanuric chloride modification on the structure and hydrolysis property of rice straw

LIU Lin,TIAN Xiuzhi, XIE Lingling, JIANG Xue^*

Key Laboratory of Eco-Textile, Ministry of Education, College of Textiles &
Clothing, Jiangnan University, Wuxi 214122, China

Online:2015-01-31 Published:2015-01-31

摘要/Abstract

摘要： 以三聚氯氰为改性剂,在碱性条件下对稻草进行接枝改性,利用红外光谱、核磁共振等方法分析了改性前后稻草的结构,采用稀酸催化稻草水解的方法测试了改性稻草的水解性能,探讨了改性稻草的水解效率随改性剂用量的变化规律。结果表明:未改性稻草水解后的还原糖得率为29.9%,而三聚氯氰改性稻草酸水解后还原糖得率随改性剂用量的增加先增加后减小,当三聚氯氰的质量分数为9.6%时,还原糖得率最高,达到45.5%。说明对稻草进行适当的化学改性,可以提高其水解效率。

Abstract: Cyanuric chloride(2,4,6-trichloro-1,3,5-triazine, TCT)was used as a modifier to modify straw under alkaline conditions, and the structure of straw before and after modification was characterized by IR and ¹³C NMR spectra. The hydrolysis performance of modified straw was test by dilute acid hydrolysis, and the influence of modifier dosage on the hydrolysis efficiency of modified straw was discussed. Test results showed that the yield of the reducing sugar of unmodified straw was only 29.9%, while the highest yield of reducing sugar of the modified straw could be more than 45.5%, as the loading amount of TCT was 9.6%. The analysis result verified that the yield of reducing sugar in acidic hydrolysis of straw could be improved by the appropriate modifications.

中图分类号:

TQ213

刘琳,田秀枝,谢玲玲,等. 三聚氯氰改性对稻草结构及其水解性能的影响[J]. 南京林业大学学报（自然科学版）, 2015, 39(01): 114-118.

LIU Lin,TIAN Xiuzhi, XIE Lingling, JIANG Xue. Effect of cyanuric chloride modification on the structure and hydrolysis property of rice straw[J].Journal of Nanjing Forestry University (Natural Science Edition), 2015, 39(01): 114-118.DOI: 10.3969/j.issn.1000-2006.2015.01.021.

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三聚氯氰改性对稻草结构及其水解性能的影响

Effect of cyanuric chloride modification on the structure and hydrolysis property of rice straw

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