竹笋壳纤维超声波辅助碱氧一浴法脱胶工艺  

Degumming Process of Bamboo Shoot Shell Fibers by Ultrasonic Assisted Alkali Oxygen One Bath Method

作　　者：杨银芝 刘雨晴 符多情 曹新旺 Yang Yinzhi;Liu Yuqing;Fu Duoqing;Cao Xinwang(College of Textiles Science and Engineering,Wuhan Textile University,Wuhan,Hubei 430200,China;College of Textiles,Donghua University,Shanghai 201620,China;State Key Laboratory of New Textile Materials and Advanced Processing Technologies,Wuhan Textile University,Wuhan,Hubei 430200,China)

机构地区：[1]武汉纺织大学纺织科学与工程学院,湖北武汉430200 [2]东华大学纺织学院,上海201620 [3]武汉纺织大学湖北省纺织新材料与先进加工技术省部共建国家重点实验室,湖北武汉430200

出　　处：《针织工业》2023年第9期65-68,共4页Knitting Industries

基　　金：国家自然科学基金青年基金项目(51503162);湖北省自然科学基金面上项目(2016CFB459);国家大学生创新训练计划项目(201910495014);湖北省技术创新专项(2019AAA005);湖北省大学生创新训练计划项目(S201910495063)。

摘　　要：以竹笋壳为研究对象,采用超声波辅助碱氧一浴法提取竹笋壳纤维,以脱胶率、白度及断裂强度为指标,对碱氧一浴处理中氢氧化钠、过氧化氢用量及温度和时间等因素进行优化,并借助扫描电镜观察提取的竹笋壳纤维的微观结构。结果表明:温度为95℃、碱煮时间为2.5 h、氢氧化钠用量为18 g/L、过氧化氢用量为35 mL/L,此时纤维脱胶率为70.07%,白度为82.35%,断裂强度为2.84 cN/dtex。Taking bamboo shoot shell as the research object,bamboo shoot shell fiber was extracted by ultrasonic assisted alkali oxygen one bath method.Taking degumming rate,whiteness and breaking strength as indices,the amount of sodium hydroxide and hydrogen peroxide,temperature and time in alkali oxygen one bath treatment were optimized,and the microstructure of extracted bamboo shoot shell fiber was observed by scanning electron microscope.The results show that when the temperature is 95℃,the alkali boiling time is 2.5 h,the dosage of sodium hydroxide is 18 g/L and the dosage of hydrogen peroxide is 35 mL/L,the degumming rate of fiber is 70.07%,the whiteness is 82.35%and the breaking strength is 2.84 cN/dtex.

关 键 词：竹笋壳纤维 超声波 碱氧一浴法 脱胶率 

分 类 号：TS190.1[轻工技术与工程—纺织化学与染整工程]