相关链接
联系方式
  • 通信地址:济南市青岛路6699号
  • 邮编:250117
  • 电话:17685811862
  • 传真:
  • Email:lichenwei@iccas.ac.cn
当前位置:> 首页 > 论文著作 > 正文
Cellulose (IF:5.044)-Isolation and characterization of cellulose nanocrystals from cloth hairs and evaluation of their compatibility with PLLA
作者:丁美春
关键字:纤维素纳米晶
论文来源:期刊
具体来源:Cellulose 24,4785–4792 (2017)
发表时间:2017年

Cellulose nanocrystals were successfully isolated from cloth hairs using phosphoric acid. The

yields, degree of polymerization, morphology, average particle size, crystallinity, chemical structure, and thermal stability of the prepared nanocrystals were investigated. The results demonstrated that yields and degree of polymerization decreased with the increase

of concentration of phosphoric acid due to preferential degradation of amorphous cellulose, resulting in high thermal stability and crystallinity. Morphological analysis revealed that hydrolysis was more homogeneous with increasing acid concentration. In comparison with the cellulose nanocrystals prepared with 6.5, 8.0, and 9.5 M H3PO4, those prepared with 11.0 M

H3PO4 had the most uniform particle sizes. Moreover, the nanocrystals had important influence on the crystallization of semicrystalline polymer.