相关链接
联系方式
  • 通信地址:广州市天河区五山华南农业大学材料与能源学院
  • 邮编:510642
  • 电话:13560283795
  • 传真:
  • Email:xuca2020@163.com
当前位置:> 首页 > 论文著作 > 正文
Evaluation of cytotoxicity in vitro and properties of polysiloxane-based polyurethane/lignin elastomers
作者:Chang-an Xu, Guokang Chen, Zhiyou Tan, Zhuorong Hu, Zhencai Qu, Qian Zhang, Maoping Lu
关键字:Polyurethane elastomers,Polysiloxane,Lignin
论文来源:期刊
具体来源:Reactive and Functional Polymers
发表时间:2020年

Polysiloxane-based polyurethane/lignin elastomers are synthesized via pre-polymerization. Isophorone diisocyanate (IPDI) reacts with polycarbonate (PCDL) and polydimethylsiloxane (PDMS) polyol to produce a linear thermoplastic elastomer. Lignin is added to the matrix of the polyurethane, where lignin not only acts as a crosslinking agent but also as filler. The effects of polysiloxane-based polyurethane/lignin elastomers on thermal properties, mechanical properties, surface hydrophobicity, and cytotoxicity in vitro are investigated. The heat resistance, surface hydrophobicity and mechanical strength of the materials are improved, and a decreased cytotoxic behavior against HeLa cells by MTT assay is observed, which should be attributed to the semi-interpenetrating network structure and low toxicity of lignin, respectively. With the addition of 1 wt% of lignin, cell viability increases to 65.2%, mechanical strength increases to 17.1 Mpa and contact angle increases to 108.2°.