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聚乳酸增韧改性研究进展 被引量:13

Research progress of toughening modification of polylactic acid
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摘要 聚乳酸因具有良好生物相容性、生物降解性、生物可吸收性以及优良的力学性能,在农业、食品包装、医疗卫生等领域得到了广泛应用,但因其玻璃化转变温度较高、性脆、柔韧性差,需通过增韧改性以提高其加工和应用性能。本文综述了聚乳酸通过共聚、交联、共混等改性方法增加柔韧性的最新研究进展。 Polylactic acid(PLA)is widely used in agriculture,packaging,medicine and health care because it is a biocompatible,biodegradable and bioabsorbable polymer and has fine mechanical property.But it is hard and brittle and has poor pliability because it has a high glass transition temperature.Thus,it has to be modified to enhance its pliability to improve handling and application.In this paper,the recent research progress of toughening modification of PLA via copolymerization,cross-linking,and blending is reviewed.
出处 《化工进展》 EI CAS CSCD 北大核心 2011年第3期578-582,共5页 Chemical Industry and Engineering Progress
基金 河南工业大学博士专项科研基金项目(2007BS029)
关键词 聚乳酸 增韧 改性 研究进展 polylactic acid toughness modification research progress
作者简介 第一作者:肖伟娜(1983-),女,硕士研究生。 联系人:冯光炷,教授,主要从事生物质基功能高分子材料的合成与应用研究。E-mail fengguangzhu@163.com。
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