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材料工程  2013, Vol. 0 Issue (1): 45-51    DOI: 10.3969/j.issn.1001-4381.2013.01.010
  测试与表征 本期目录 | 过刊浏览 | 高级检索 |
聚乙烯醇/纳米纤维素/聚乙烯醇的层层自组装及表征
刘志明1, 吴鹏1, 谢成1, 王海英2, 孟围2
1. 东北林业大学 材料科学与工程学院 生物质材料 科学与技术教育部重点实验室,哈尔滨 150040;
2. 东北林业大学 林学院,哈尔滨150040
Characterization and Layer-by-layer Self-assembly of PVA/NCC/PVA
LIU Zhi-ming1, WU Peng1, XIE Cheng1, WANG Hai-ying2, MENG Wei2
1. Key Laboratory of Bio-based Material Science and Technology of Ministry of Education,College of Material Science and Engineering,Northeast Forestry University,Harbin 150040,China;
2. College of Forestry, Northeast Forestry University,Harbin 150040,China
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摘要 采用基于氢键驱动力的层层 (LBL)自组装技术制备聚乙烯醇(PVA)/纳米纤维素(NCC)/聚乙烯醇复合膜。通过衰减全反射红外(ATR-IR)、扫描电子显微镜(SEM)和X射线衍射(XRD)分析,验证了该复合膜中NCC和PVA的单相分布情况,NCC晶格定向排列状态,以及NCC作为夹层的结构,并提出了机理假设论证了该结构复合膜的形成过程;通过拉伸强度、透光率和热稳定性测量,表明LBL自组装制备的PVA/NCC/PVA复合膜具有高的拉伸强度、高的透光率和较高的热稳定性,其中拉伸强度较PVA膜提高了46.1%,透光率提高了5.44%,热分解温度提高了13.2℃,表明该法制备的PVA/NCC/PVA复合膜是一种良好的功能性薄膜。
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刘志明
吴鹏
谢成
王海英
孟围
关键词 纳米纤维素聚乙烯醇层层自组装氢键驱动力透光率拉伸强度    
Abstract:The composite membrane of polyvinyl alcohol(PVA) / nanocrystalline cellulose(NCC)/ PVA was prepared by layer-by-layer(LBL) self-assembly based on the driving force of hydrogen bonding. The single-phase distribution of NCC and PVA, the NCC lattice arrangement state and the structure of NCC as an interlayer were verified through attenuated total reflection infrared (ATR-IR), scanning electron microscopy (SEM) and X-ray diffraction (XRD). The mechanism hypothesis was proposed to argue the formation process of this composite membrane. Through the measurements of tensile strength, light transmittance and thermal stability, it indicates that the PVA/NCC/PVA composite membrane from LBL self-assembly has high tensile strength, high transmittance and much more thermal stability. Compared to PVA membrane, the tensile strength and light transmittance of the composite membrane improve 46.1% and 5.44%, respectively, as well as the thermal stability increases 13.2℃. This indicates that the PVA/NCC/PVA composite membrane from LBL self-assembly is a good functional membrane.
Key wordsnanocrystalline cellulose    polyvinyl alcohol    layer-by-layer self-assembly    hydrogen bonding driving force    light transmittance    tensile strength
收稿日期: 2012-02-09      出版日期: 2013-01-20
中图分类号: 

TB34

 
基金资助:

国家自然科学基金资助项目(31070633); 人力资源和社会保障部留学回国人员科技活动择优资助项目(07041311401); 中央高校基本科研业务费专项资金(DL11EB01)

作者简介: 刘志明(1971-),男,教授,博士生导师,博士,主要从事生物质材料化学和纳米纤维素功能材料研究,联系地址:黑龙江省哈尔滨市香坊区和兴路26号东北林业大学材料科学与工程学院(150040),E-mail:zhimingliuwhy@126.com
引用本文:   
刘志明, 吴鹏, 谢成, 王海英, 孟围. 聚乙烯醇/纳米纤维素/聚乙烯醇的层层自组装及表征[J]. 材料工程, 2013, 0(1): 45-51.
LIU Zhi-ming, WU Peng, XIE Cheng, WANG Hai-ying, MENG Wei. Characterization and Layer-by-layer Self-assembly of PVA/NCC/PVA. Journal of Materials Engineering, 2013, 0(1): 45-51.
链接本文:  
http://jme.biam.ac.cn/CN/10.3969/j.issn.1001-4381.2013.01.010      或      http://jme.biam.ac.cn/CN/Y2013/V0/I1/45
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