电纺制备海藻酸辛酰胺/聚乙烯醇纤维及其性能研究

doi:10.13218/j.cnki.csdc.2014.06.067

日用化学工业 ›› 2014, Vol. 44 ›› Issue (6): 301-305.doi: 10.13218/j.cnki.csdc.2014.06.067

• 基础研究 • 下一篇

电纺制备海藻酸辛酰胺/聚乙烯醇纤维及其性能研究

魏思宝, 张世鑫, 李嘉诚, 冯玉红, 张学良, 李可, 黄俊浩

海南大学材料与化工学院,海南海口 570228

收稿日期:2014-01-22 出版日期:2014-06-22 发布日期:2019-04-10
通讯作者: 李嘉诚,教授,博士,电话:13976105128,E-mail:ljcfyh@263.net。
作者简介:魏思宝(1989-),男,江西人,硕士研究生,电话:18289769397,E-mail:weisibao2010@126.com。
基金资助:
国家自然科学基金资助项目(21366010);“十二五”国家科技支撑计划资助项目(2011BAEO6B04-7);海南省重点科技计划资助项目(ZDXM20120003);海南大学服务地方经济社会发展资助项目(HDSF201305)

Fabrication and performance of octyl-grafted amphiphilic alginate derivative/polyvinyl alcohol blend nanofibers by electrospinning method

WEI Si-bao, ZHANG Shi-xin, LI Jia-cheng, FENG Yu-hong, ZHANG Xue-liang, LI Ke, HUANG Jun-hao

College of Materials and Chemical Engineering,Hainan University,Haikou,Hainan 570228,China

Received:2014-01-22 Online:2014-06-22 Published:2019-04-10

摘要/Abstract

摘要： 采用辛胺对海藻酸钠(SA)进行疏水改性得到具有两亲性的海藻酸辛酰胺(OAAD),并用静电纺丝法制出SA/聚乙烯醇(PVA)纤维和OAAD/PVA纤维。通过红外光谱仪、核磁共振波谱仪、表面张力仪、荧光光谱仪、电导率仪、扫描电镜和接触角测量仪分别对OAAD,电纺液和电纺纤维的性能进行了表征。结果表明,辛胺基成功接枝到SA分子链上,OAAD的表面张力比SA低,荧光实验测得OAAD的临界聚集质量浓度为0.60 g·L^-1,改善了SA的疏水性。通过对比SA/PVA和OAAD/PVA电纺纤维在水中的溶解性能和疏水性能,发现改性海藻酸盐电纺纤维在水中完全溶解时间由5 h变为48 h,其接触角由31°增大至57°,这表明OAAD/PVA电纺纤维的抗水性和疏水性较SA/PVA电纺纤维得到了改善。

关键词: 海藻酸钠, 疏水改性, 海藻酸辛酰胺, 静电纺丝, 电纺纤维

Abstract: Octyl-grafted amphiphilic alginate derivative (OAAD) was prepared by hydrophobical modification of sodium alginate (SA) and octyl amine.Then SA/polyvinyl alcohol (PVA) fibers and OAAD/PVA fibers were fabricated by electrostatic-spinning method.Performance of OAAD,the electrospinning solution and the electrospinning fibers were characterized by means of Fourier transform infrared spectroscopy (FTIR),¹H nuclear magnetic resonance (¹HNMR),surface tensiometer,fluorescence spectrum,electrical conductivity,scanning electron microscopy and contact angle measurement.Experimental results showed that octyl amine groups have successfully grafted to the sodium alginate molecular chains.The surface tension of modified alginate is lower than SA and the critical aggregation mass concentration is reduced to 0.60 g·L^-1,which improves the hydrophobicity of SA.Comparing water solubility and hydrophobic properties of SA/PVA electrospinning fibers with that of OAAD/PVA electrospinning fibers,it shows that the dissolution time of modified alginate electrospun fibers completely dissolved in the water rise from 5 h to 48 h,while their contact angle increase from 31° to 57°,which indicates that in comparison with SA/PVA electrospinning fibers,the water-resistant and hydrophobic properties of OAAD/PVA electrospinning fibers have been improved.

Key words: sodium alginate, hydrophobical modification, octyl-grafted amphiphilic alginate derivative, electrostatic spinning, electrospinning fiber

中图分类号:

TQ423

魏思宝, 张世鑫, 李嘉诚, 冯玉红, 张学良, 李可, 黄俊浩. 电纺制备海藻酸辛酰胺/聚乙烯醇纤维及其性能研究[J]. 日用化学工业, 2014, 44(6): 301-305.

WEI Si-bao, ZHANG Shi-xin, LI Jia-cheng, FENG Yu-hong, ZHANG Xue-liang, LI Ke, HUANG Jun-hao. Fabrication and performance of octyl-grafted amphiphilic alginate derivative/polyvinyl alcohol blend nanofibers by electrospinning method[J]. China Surfactant Detergent & Cosmetics, 2014, 44(6): 301-305.

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电纺制备海藻酸辛酰胺/聚乙烯醇纤维及其性能研究

Fabrication and performance of octyl-grafted amphiphilic alginate derivative/polyvinyl alcohol blend nanofibers by electrospinning method

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