聚乳酸增韧改性:研究进展.docx
聚乳酸增韧改性:研究进展
目录
聚乳酸增韧改性概述......................................3
1.1聚乳酸的性质与特点.....................................3
1.2聚乳酸增韧的必要性.....................................4
1.3增韧改性方法分类.......................................5
聚乳酸增韧改性研究进展..................................5
2.1纳米复合材料增韧.......................................6
2.1.1纳米二氧化硅增韧.....................................7
2.1.2纳米碳管增韧.........................................8
2.1.3纳米纤维素增韧.......................................9
2.2助剂增韧..............................................10
2.2.1增韧剂的选择与作用机理..............................11
2.2.2常用增韧剂的研究与应用..............................11
2.3共聚物增韧............................................12
2.3.1醇酸类共聚物增韧....................................13
2.3.2聚己内酯共聚物增韧..................................14
2.3.3聚乙烯醇共聚物增韧..................................15
2.4助剂/共聚物复合增韧...................................16
2.4.1助剂/共聚物复合增韧的协同效应.......................17
2.4.2复合增韧体系的研究与应用............................18
聚乳酸增韧改性材料的性能评价...........................19
3.1力学性能..............................................19
3.1.1拉伸强度与断裂伸长率................................20
3.1.2冲击强度............................................21
3.1.3弯曲强度与弯曲模量..................................21
3.2热性能................................................22
3.2.1熔融温度与结晶温度..................................23
3.2.2热稳定性............................................23
3.3环境性能..............................................24
3.3.1生物降解性..........................................25
3.3.2生物相容性..........................................26
聚乳酸增韧改性材料的应用...............................27
4.1包装材料..............................................27
4.2注射成型制品..........................................28
4.3纤维制品..............................................29
4.4其他应用领域..........................................30
聚乳酸增韧改性研究展望.................................31
5.1新型增韧剂的开发与应用................................31
5.2高性能聚乳酸材料的制备...................