大麻纤维草酸铵-酶联合脱胶工艺

doi:10.13475/j.fzxb.20181002206

纺织学报 ›› 2019, Vol. 40 ›› Issue (11): 88-93.doi: 10.13475/j.fzxb.20181002206

大麻纤维草酸铵-酶联合脱胶工艺

郑振荣¹^,²(), 智伟¹, 邢江元¹, 杜换福², 徐子健¹

1.天津工业大学纺织科学与工程学院, 天津 300387
2.山东滨州亚光毛巾有限公司, 山东滨州 256600

收稿日期:2018-10-11 修回日期:2019-05-20 出版日期:2019-11-15 发布日期:2019-11-26
作者简介:郑振荣(1981—),女,副教授,博士。主要研究方向为功能防护纺织品的开发。E-mail: tianjinzhengzr@163.com。
基金资助:
中国纺织工业联合会科技指导性项目(2017030);天津市大学生创新创业训练计划项目(201810058084);天津科委自然科学基金项目(18JCYBJC86600)

Ammonium oxalate-enzyme combining degumming process of hemp fiber

ZHENG Zhenrong¹^,²(), ZHI Wei¹, XING Jiangyuan¹, DU Huanfu², XU Zijian¹

1. College of Textile Science and Engineering, Tiangong University, Tianjin 300387, China
2. Shandong Binzhou Yaguang Towel Co., Ltd., Binzhou, Shandong 256600, China

Received:2018-10-11 Revised:2019-05-20 Online:2019-11-15 Published:2019-11-26

摘要/Abstract

摘要：

为开发绿色高效的大麻脱胶工艺,提出了草酸铵-酶联合脱胶,采用正交试验优化草酸铵脱胶工艺,并与经传统化学脱胶工艺、化学-酶联合脱胶工艺处理后大麻纤维的脱胶效果进行比较,得到草酸铵-酶联合脱胶最佳工艺条件:草酸铵质量浓度为4.0 g/L,保温温度为100 ℃,保温时间为50 min。结果表明:经最佳工艺处理后大麻纤维的残胶率为2.34%,低于经传统化学脱胶后大麻纤维的残胶率12.88%和化学-酶联合脱胶后大麻纤维的残胶率8.43%;草酸铵-酶联合脱胶后大麻纤维中木质素质量分数由8.10%(大麻原麻)下降到0.94%,断裂强度为10.31 cN/dtex,且白度优于传统化学脱胶工艺和化学-酶联合脱胶工艺处理后的大麻纤维。

关键词: 大麻纤维, 草酸铵, 生物酶, 脱胶工艺, 残胶率

Abstract:

In order to develop a green and efficient hemp degumming process, a combining degumming process using ammonium oxalate and enzyme was proposed. The ammonium oxalate degumming process was optimized using the orthogonal test, and the degumming effect of hemp fiber treated by ammonium oxalate-enzyme method was compared with that of hemp fiber treated by the traditional chemical method and that of hemp fiber treated by the chemical-enzyme method. Results show that the optimum conditions of ammonium oxalate-enzyme combining degumming method are the concentration of ammonium oxalate is 4.0 g/L, holding temperature is 100 ℃ and holding time is 50 min; The residual gel rate of hemp fiber treated by the best technology of ammonium oxalate-enzyme combining degumming process is 2.34%, which is lower than that of hemp fiber treated by the traditional chemical combining degummin process (12.88%) and that of hemp fiber treated by the chemical-enzyme combining degumming process (8.43%); After being treated by the optimal process of ammonium oxalate-enzyme combining degumming process, the lignin content of hemp fiber decrease from 8.10% (marijuana) to 0.94%, the breaking strength of hemp fiber is 10.31 cN/dtex, and the whiteness of hemp fiber is superior to that of hemp fiber treated by the traditional chemical degumming process and that of hemp fiber treated by the chemical-enzyme combining degumming process.

Key words: hemp fiber, ammonium oxalate, enzyme, degumming process, residual gel rate

中图分类号:

TS192.4

郑振荣, 智伟, 邢江元, 杜换福, 徐子健. 大麻纤维草酸铵-酶联合脱胶工艺[J]. 纺织学报, 2019, 40(11): 88-93.

ZHENG Zhenrong, ZHI Wei, XING Jiangyuan, DU Huanfu, XU Zijian. Ammonium oxalate-enzyme combining degumming process of hemp fiber[J]. Journal of Textile Research, 2019, 40(11): 88-93.

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参考文献 15

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水平	A 草酸铵质量浓度/(g·L^-1)	B 保温温度/℃	C 保温时间/min
1	3.5	80	40
2	4.0	90	45
3	4.5	100	50

试验号	A 草酸铵质量浓度	B 保温温度	C 保温时间	残胶率/%
1	1	1	1	24.34
2	1	2	2	18.94
3	1	3	3	14.14
4	2	1	2	18.74
5	2	2	3	11.54
6	2	3	1	8.94
7	3	1	3	18.94
8	3	2	1	17.14
9	3	3	2	9.14
均值1	19.140	20.673	16.807	—
均值2	13.073	15.873	15.607	—
均值3	15.073	10.740	14.873	—
极差R	6.067	9.933	1.934	—

脱胶工艺	残胶率/%	白度/%
脱胶工艺	残胶率/%	漂前	漂后
传统化学	12.88	46.30	51.93
化学-酶	8.43	49.29	55.76
草酸铵-酶	2.34	53.73	59.45

大麻纤维草酸铵-酶联合脱胶工艺

Ammonium oxalate-enzyme combining degumming process of hemp fiber

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