| 生物可降解脂肪族聚酯在陕西土壤中的降解行为 |
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| 引用本文： | 张敏,王晓霞,刘保健,刘晓霞,王蕾,邱建辉.生物可降解脂肪族聚酯在陕西土壤中的降解行为[J].高分子材料科学与工程,2008,24(1):91-93,97. |
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| 作者姓名： | 张敏 王晓霞 刘保健 刘晓霞 王蕾 邱建辉 |
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| 作者单位： | 陕西科技大学化学与化工学院,陕西,西安,710021;西安建筑科技大学环境与市政工程学院,陕西,西安,710055;西安建筑科技大学环境与市政工程学院,陕西,西安,710055;陕西科技大学化学与化工学院,陕西,西安,710021;日本秋田县立大学,日本,秋田,015-0055 |
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| 基金项目： | 国家自然科学基金资助项目(50673056)，陕西省自然科学基金资助项目(K03099)，陕西省教育厅科学基金(04JK217)资助项目 |
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| 摘 要： | 以西安当地土壤及西安某污水处理厂的活性污泥为降解介质,对生物可降解聚酯聚乳酸(PLA)、聚丁二酸丁二醇酯(PBS)和聚己内酯(PCL)的降解性能进行了研究,并对它们的降解机理进行了初步探讨。根据偏光显微镜和扫描电镜的观察表明,降解后的聚酯膜表面均有明显被侵蚀的痕迹;在陕西当地土壤中,PCL的降解速度最快,PLA次之,PBS最慢。红外光谱表征了这三种聚合物降解前后的化学结构。
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| 关 键 词： | 脂肪族聚酯 生物降解性 降解机理 |
| 文章编号： | 1000-7555（2008）01-0091-03 |
| 收稿时间： | 2006-08-14 |
| 修稿时间： | 2007-01-29 |
Study on Biodegradable Behavior of Polyesters in the Soil of Shanxi Local |
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| ZHANG Min,WANG Xiao-xia,LIU Bao-jian,LIU Xiao-xia,WANG Lei,QIU Jian-hui.Study on Biodegradable Behavior of Polyesters in the Soil of Shanxi Local[J].Polymer Materials Science & Engineering,2008,24(1):91-93,97. |
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| Authors: | ZHANG Min WANG Xiao-xia LIU Bao-jian LIU Xiao-xia WANG Lei QIU Jian-hui |
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| Affiliation: | 1.Shanxi University of Science and Technology,Xi’an 710021,China;2.Xi’an University of Architecture and Technology,Xi’an 710055,China;3.Akita Prefecture University,Akita 015-0055,Japan) |
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| Abstract: | The biodegradation and biodegradable mechanism of the polyesters such as poly(lactic acid)(PLA),poly(butylene succinate)(PBS) and poly(caprolactone)(PCL) have been investigated,the soil of Shanxi local land and activated sludge of Xian waste water plant played the biodegradable medium in this study.The results shown the remarkable eroded trace of the surface of the films could be found after degradation by the results of Polarized Light Microscope and scanning electron microscope;the biodegradation of PCL is best,the PLA′s is better than that of PBS.The structures of the films determined with Fourier-Transformation Infrared Spectrum after degradation. |
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| Keywords: | biodegradable polyesters biodegradation biodegradable mechanism |
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