高等学校化学学报2011，Vol.32Issue(11)：2674-2679,6.
改性羟基磷灰石/聚乳酸纳米复合材料的结晶行为
Crystallization Behavior of Modified Hydroxyapatite/Poly (L-lactide) Nanocomposites
摘要
Abstract
Biocompatible poly ( γ-benzyl-Lt-glutamate ) modified hydroxyapatite/poly ( L-lactide ) ( PLLA ) nanocomosites were prepared via solvent-mixing method. Their melting and crystallization behavior were characterized by differential scanning calorimetry( DSC) and polarized optical microscopy(POM). The results show that the glass transition temperature of PLLA is 60. 3 ℃ and that of the composite can reach 65. 8 ℃. After isothermally crystallized at 140℃ , the spherulites diameter of modified HA/PLLA composites was only 16. 7%-66. 7% compared with that of PLLA and the melting point of the composite can rise to 184. 4 ℃.关键词
聚乳酸/羟基磷灰石/表面改性/纳米复合材料/结晶Key words
Poly(L-lactide) / Hydroxyapatite/ Surface modification/ Nanocomposite/ Crystallization分类
化学化工引用本文复制引用
魏俊超,马丽莉,戴延凤,陈义旺,章培标,崔毅,陈学思..改性羟基磷灰石/聚乳酸纳米复合材料的结晶行为[J].高等学校化学学报,2011,32(11):2674-2679,6.基金项目
国家自然科学基金(批准号:50973107,50673090和50733003)资助. （批准号:50973107,50673090和50733003）
