摘要
可生物降解性聚合物-层状硅酸盐纳米复合材料比聚合物基体有更好的力学强度、热稳定性、热变形温度、气体阻隔特性和更快的降解速率,表现出剪切变稀、模量升高、似固体行为等流变特性。文中综述了可生物降解性聚合物纳米复合材料的制备方法、表征手段、性能测试及其应用等方面的研究进展。
The research on the preparation, characterization, materials properties, biodegradability, and application of biodegradable polymer/organically modified layered silicate (OMLS) nanocomposites was reviewed. The mechanical properties, thermal stability, heat distortion temperature, gas barrier property and biodegradability of neat biodegradable polymer is significantly enhanced after nanocomposites preparation with layered silicate. The melt rheology of biodegradable nanocomposites was also studied. These nanocomposites display the rheology of shear-thinning, increased moduli, and solidlike etc. In the preparation of nanocomposites, organoclay plays an important role in dispersing the clay into less polar polymer matrixes. The compatibilizer in nanocomposites was also investigated in the aspect of morphological analysis. A new idea for obtaining porous ceramic material from these biodegradable nanocomposites by burning is unveiled using various clays. In this paper, the advances of biodegradable polymer-layered silicate nanocomposites were reviewed.
出处
《高分子材料科学与工程》
EI
CAS
CSCD
北大核心
2005年第3期40-44,共5页
Polymer Materials Science & Engineering
基金
上海市青年科技启明星计划资助项目(OOQE14047)
上海市科技发展基金项目纳米专项(0152nm050)
关键词
纳米复合材料
层状硅酸盐
生物降解性
力学性能
气体阻隔性
nanocomposites
layered silicate
biodegradability
mechanical properties
gas barrier property
