可降解地膜材料研究现状与进展2004.pdf

V†³¹ ‹ ùîCÐÉZ Ó5西南科技大学材料学院,四川绵阳 621010K1介绍了国内可降解农用地膜材料的研究开发现状,指出了目前可降解地膜发展中存在的问题,并对可完全降解地膜的发展趋势进行了讨论。结论认为由于技术、成本、认识等方面的限制,可降解地膜的仍处于试验和推广应用阶段;但是可降解地膜无疑是解决“白色污染”较有效的途径,具有广阔的市场前景。1oM降解地膜;光降解;生物降解;存在问题;发展趋势Ïms Ë|TQ325 ÓDS M ’A ÓcI|1001-9456200401-0076-06Study Status on Degradable Mulching FilmLI Xian-faSouthwest University of Science and Technology,Mianyang,Sichuan 621010,ChinaAbstractThe development status of degradable mulching film is introduced.The development prob-lems of degradable mulching film are pointed out , and its development trends are analyzed.The conclusionshows that degradable mulching film is still at experimental and extending stage due to the limitations oftechnology, ligh cost and general recognizations.In any case,the use of degradable mulching film is a goodway to solve the problem of ”white pollution” and promises a wide market foreground.Key wordsdegradable mulching film;photo-degradation;bio-degradation;existing problems;develop-ment tendency1 Z V› ††³¹ ¥il®¿ j¨¹  µr eÅr ›Ñ„ A,h £s„þ ,]¸¤ 3É,¹Tþ 3É7/µæ¥ 3 ÿÌâ, W¸
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