聚乙烯醇/凹凸棒石复合材料的制备与性能评价

doi:10.7506/spkx1002-6630-201517021

食品科学

聚乙烯醇/凹凸棒石复合材料的制备与性能评价

胡盛1,2,3，蔡静2，周红艳1,2，田大听1,2，张升晖1,2

1.湖北民族学院，生物资源保护与利用湖北省重点实验室，湖北恩施 445000；2.湖北民族学院化学与环境工程学院，
湖北恩施 445000；3.武汉理工大学材料复合新技术国家重点实验室，湖北武汉 430070

出版日期:2015-09-15 发布日期:2015-09-11

Preparation and Properties of Polyvinyl Alcohol/Attapulgite Composites

HU Sheng1,2,3, CAI Jing2, ZHOU Hongyan1,2, TIAN Dating1,2, ZHANG Shenghui1,2

1. Key Laboratory of Biological Resources Protection and Utilization of Hubei Province, Hubei University for Nationalities,
Enshi 445000, China; 2. School of Chemical and Environment Engineering, Hubei University for Nationalities,
Enshi 445000, China; 3. State Key Laboratory of Advanced Technology for Materials Synthesis and Processing,
Wuhan University of Technology, Wuhan 430070, China

Online:2015-09-15 Published:2015-09-11

摘要/Abstract

摘要：

采用溶液共混法制备聚乙烯醇/凹凸棒石复合材料，探讨凹凸棒石用量和戊二醛用量对复合材料性能的影响。通过傅里叶变换红外光谱（Fourier transform-infrared spectra，FT-IR）、扫描电子显微镜（scanning electronmicroscopy，SEM）及力学性能测试等对聚乙烯醇/凹凸棒石复合材料进行了分析和表征。力学性能实验结果表明：聚乙烯醇与凹凸棒石共混明显改善了复合材料的力学性能，当凹凸棒石用量为聚乙烯醇用量的1.6%（质量分数，下同）、戊二醛用量为聚乙烯醇用量的4%时，制备的聚乙烯醇/凹凸棒石复合材料力学性能较好，拉伸强度为22.97 MPa，断裂伸长率为199.17%。FT-IR和SEM分析结果表明：复合材料中聚乙烯醇和凹凸棒石之间存在强烈的相互作用和良好的相容性。复合材料的热稳定性高于聚乙烯醇膜。

关键词: 聚乙烯醇, 凹凸棒石, 复合材料

Abstract:

Attapulgite (AT) was dispersed into polyvinyl alcohol (PVA) matrix to obtain PVA/AT composites through
blending method with different compositions, which were investigated with different amounts of AT and glutaraldehyde
(relative to the mass of PVA). The composites were characterized by Fourier transform infrared spectroscopy (FT-IR),
scanning electron microscopy (SEM) and universal matertial testing machine. The mechanical properties of the PVA/AT
composites were optimized. The tensile strength and elongation at break of the composite prepared by adding 1.6% AT
and 4% glutaraldehyde were 22.97 MPa and 199.17%, respectively. The results indicated that the FT-IR characteristic
peaks of PVA/AT composites appeared when introducing AT, and the mechanical performance of blend films was
improved due to the strong interaction between PVA and AT. The thermostability of PVA/AT composites was better
than that of the PVA film.

Key words: polyvinyl alcohol, attapulgite, composites

中图分类号:

TB33

胡盛，蔡静，周红艳，田大听，张升晖. 聚乙烯醇/凹凸棒石复合材料的制备与性能评价[J]. 食品科学, doi: 10.7506/spkx1002-6630-201517021.

HU Sheng, CAI Jing, ZHOU Hongyan, TIAN Dating, ZHANG Shenghui. Preparation and Properties of Polyvinyl Alcohol/Attapulgite Composites[J]. FOOD SCIENCE, doi: 10.7506/spkx1002-6630-201517021.

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聚乙烯醇/凹凸棒石复合材料的制备与性能评价

Preparation and Properties of Polyvinyl Alcohol/Attapulgite Composites

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