全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

PLA对土壤微生物生长的影响及PLA的生物降解性

Keywords: 土壤微生物,PLA,生长,生物降解,影响

Full-Text   Cite this paper   Add to My Lib

Abstract:

从不同土壤环境中筛选出的4类不同土壤微生物91株,分别标记为细菌、固氮菌、分解纤维素菌和放线菌。然后通过将定量的聚乳酸(PLA)分别加入对应液态培养基中,恒温(30℃)摇床培养,连续测定这4类不同的土壤微生物对PLA的降解性能以及该种聚合物对各种微生物生长的影响。结果表明,虽然在自然界中PLA的降解率比较高,但不同类型的土壤微生物对PLA的降解性能却存在明显个体差异。在测试期内,放线菌对于PLA的总降解率最高;而细菌中RB-4的日降解率最高,达到3%左右;纤维分解菌HX-8及固氮菌RG-28的日降解率能达到2.4%。PLA降解产物对于细菌及纤维分解菌的抑制性普遍较强。

References

[1]  曹燕琳,尹静波.生物可降解聚乳酸的改性及其应用研究进展.高分子通报,2006,(10):90-94 Cao Y.L.,Yin J.B. Progress in modification and application of biodegradable polylactic acid. Polymer Bulletin,2006,(10):90-94(in Chinese)
[2]  Barry S., Harry S.Methods for cumulative effects assessment.Environ.Impact Asses.,1995,15(1): 81-106
[3]  Auras R.,Harte B.,Selke S. An overview of polylactides as packaging materials. Macromol. Biosci.,2004,4(9):835-864
[4]  王剑峰. 生物可降解材料聚乳酸的研究进展.化学工程与装备, 2010,(7):118-119 Wang J.F. Progress of biodegradable polylactic acid(PLA). Chemical Engineering and Equipment, 2010,(7):118-119(in Chinese)
[5]  苗瑞东,于海,吴德峰,等. 聚己内酯的降解性能及其对微生物的影响.塑料工业, 2009,37(9):50-52 Miao R.D.,Yu H.,Wu D.F. Degradation behavior of polycaprolactone and its effect on microorganism. Plastics Industry, 2009,37(9):50-52(in Chinese)
[6]  Vinke T.,Rabago K. R.,Glassner D. A.,et al.The sustainability of nature works polylactide polymers and ingo polylactide fibers:An update of the future. Macromol. Biosci.,2004,4(6):551-564
[7]  Webbar,Yang J.,Ameer G. A. Biodegradable polyester elastomers in tissue engineering. Expert. Opin. Biol. Ther.,2004,4(6):801-812
[8]  Erwin T. H. V.,Kari R.R.B., David A.G.,et al. Applications of life cycle assessment to Nature WorksTM polylactide(PLA) production. Polym. Degrad. Stab., 2003,80(3):403-419
[9]  Guan J.J.,Eskridge K. M.,Hanna M.A.Acetylated starch-polylactic acid loose-fill packagingmaterials. Ind. Crops. Prod.,2005,22(2):109-123
[10]  钮金芬,姚秉华,闫烨.生物降解塑料聚乳酸研究进展.工程塑料应用, 2010,38(4):89-91 Niu J.F.,Yao B.H.,Yan Y. Research progress of biodegradable polylactic acid. Engineering Plastics Application, 2010,38(4):89-91(in Chinese)
[11]  邹君,凌秀琴.可生物降解性高分子材料——聚乳酸.广西化纤通讯,2000,(2):35 Zhou J.,Lin X.Q. Biodegradable polymer materials—PLA.Guangxi Chemical Communication,2000,(2):35(in Chinese)
[12]  马靓.生物降解塑料聚乳酸(PLA)的研究及其在包装领域的应用.包装工程, 2010,31(3):119-127 Ma L. Polylactic acid and its application in the packaging field. Packaging Engineering, 2010,31(3):119-127(in Chinese)
[13]  张旺玺.可降解聚乳酸的合成及改性研究进展.塑料工业,2006,34(7):1-3 Zhang W.X. Progress in synthesis and modification of biodegradable poly (lactic acid).China Plastics Industry,2006,34(7):1-3(in Chinese)
[14]  王蕾,张敏,田小艳,等.土壤中降解聚己内酯(PCL)微生物菌种的筛选及降解性能.环境化学, 2010,29(5):857-859 Wang L.,Zhang M.,Tian X.Y., et al. Screening and degradation of soil polycaprolactone(PCL) biodegradable strains. Environmental Chemistry, 2010,29(5):857-859(in Chinese)
[15]  李阜棣,喻子牛,何绍江.农业微生物学实验技术.北京:中国农业出版社, 1996. 305
[16]  李凡,王莎.聚乳酸(PLA)生物降解的研究进展.微生物学报,2008,48(2):262-268 Li F.,Wang S. Research progress in biodegradation of polylactic acid(PLA). Journal of Microbiology,2008,48(2):262-268(in Chinese)

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133