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《科学通报(英文版)》 2003-16
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A new way for chemical degradation of plastic by natural volatile constituents of Ledum palustre

XIU Zhilong1, ZHU Xiuling2, ZHANG Daijia1, YIN Jianzhong3, WANG Dehe4 & AN Lijia1 1. Department of Biotechnology; 2. Department of MacromolecularMaterial; 3. Department of Chemical Industrial Mechanics; 4. Depart-ment of Material Engineering, Dalian University of Technology, Dalian 116023, China Correspondence should be addressed to Xiu Zhilong (e-mail: zlxiu@mail.dlptt.ln.cn)  
A novel phenomenon of degradation ofpolypropylene plastic by volatile constituents of Ledum palustre is reported in this study. The characteristic ofdegradation is described by tensile strength, melting point,and scanning electron micrographs as well as opticalmicrographs. The chemical composition of volatile oil ofLedum palustre is analyzed by gas chrography and massspectrometry. The mechanism of degradation and problemsneeded to be solved are also discussed.
【CateGory Index】: X783.2
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