生物降解分子材料的研究现状毕业论文.docVIP

毕业论文 论文题目：生物降解高分子材料的研究现状 学院名称：内蒙古化工职业学院 专业：高分子材料应用技术 班级：高分子09-1班 指导教师： 学生姓名： 完成时间：2012年4月20日 目录 摘要··························································III Abstract······················································III 第一章 绪论····················································1 1.1 概述·······················································1 1.2 生物降解高分子材料的定义···································1 1.3 生物降解的过程·············································2 1.4生物降解高分子的种类 ·······································2 1.5 处理高分子材料的传统方法···································3 第二章 降解塑料的分类··········································4 2.1 按化学结构发生降解变化因素分类·····························4 2.2 按原料组成和制造工艺分类···································4 第三章 材料生物降解环境及其相关体系····························6 3.1 材料生物降解的环境必须具备的条件···························7 3.2 材料生物降解环境及体系·····································7 第四章 生物降解高分子材料的合成·······························10 4.1 缩合聚合反应··············································11 4.2 开环聚合··················································12 第五章 总结···················································12 参考文献······················································14 致谢··························································15 生物降解高分子材料的研究现状 摘要: 本文介绍近年来生物降解材料降解方法的研究现状,主要从不同的降解环境进行的材料生物降解性能研究进行了比较,评述与展望,以及可降解塑料的种类、降解机理和影响因素. 关键词: 生物降解、可生物降解材料、降解环境、可降解塑料种类、降解机理 、影响因素 The biodegradable polymer materials research status Abstract: this paper introduces the biodegradable materials the study of the method of degradation of the environment of biodegradable material properties are compared and review ,and prospect and the kinds of biodegradable plastic eat degradation mechanism、influence factors. Key Words: Biodegradable material Environmental degradation Biodegradable plastic types Degradation mechanism Influence factors 第一章 绪论 1.1 概述 高分子材料在El常生活中的使用量越来越大，然 而高分子材料给人们生活带来便利、改善生活品质的 同时．其使用后的大量塑料废弃物也与El俱增，给人 类赖以生存的环境造成了不可忽视的负面影响。此外， 绝大多数的合成高分子材料来源于石油化工。目前全 球石油储量约800多亿t。而全世界每年的石油消费量 超过