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淀粉在高分子材料中的应用与研究进展(英文) 被引量:10

Application and research progress of starch in polymer materials
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摘要 淀粉作为一种天然高分子,由于其价格低廉、可再生、生物降解性好等优点,被广泛地用于与低密度聚乙烯、高密度聚乙烯、聚丙烯、聚苯乙烯等塑料混合,制备可降解材料。为了缓解塑料不可降解所带来的"白色污染",人们将淀粉与聚乙烯醇、聚乳酸、聚羟基丁酸酯、聚已内酯、壳聚糖及其衍生物等可降解高聚物共混,制备全降解的生物材料。随着石油资源的日益枯竭和环境问题的加重,近年来,淀粉作为补强剂在橡胶中的应用也越来越受到人们的关注。由于淀粉所固有的亲水性,难于加工性以及和塑料、橡胶及其他高聚物间较差的相容性等,人们采用各种方法对淀粉进行改性处理,再与高聚物共混制备淀粉/高聚物共混物。本文综述了淀粉在塑料、橡胶以及其他高聚物共混物中的应用,以及国内外有关淀粉应用于高分子材料的最新研究进展。 Starch a natural polymer that is characterized by cheap, regenerative, and good biodegradation is generally mixed with low density polyethylene, high density polyethylene, polypropylene, and polystryrene to prepare degradable materials. In order to relieve "white pollution" due to undegradability of plastic materials, starch is mixed with polyvinyl alcohol, polylactic acid, poly-hydroxybutyric acid, polycaprolactone, chitosan, derivatives, and other degradable polymers to prepare fully degradable biomaterials. With gradual exhaustion of petroleum and progressive depravation of environmental quality, starch that is regarded as a reinforcing agent is widely used in rubber industry. Starch is characterized by hydrophilicity, difficulty in processing, and poor compatibility to plastic materials, rubber, and other polymers, so starch is firstly modified and then mixed with polymers to make starch. This study was designed to summarize the application of starch in plastic materials, rubber, and other polymer blends and to investigate the latest research progresses of starch in polymer materials.
出处 《中国组织工程研究与临床康复》 CAS CSCD 北大核心 2008年第19期3789-3792,共4页 Journal of Clinical Rehabilitative Tissue Engineering Research
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