A catechol-containing dialdehyde cellulose adhesive with strong adhesion and biocompatibility

作者：Bian, Shuai; Chen, Yong; Huang, Xiaohua^*; Guo, Yan; Xiao, He; Zhang, Min^*; Liu, Kai; Huang, Liulian; Chen, Lihui; Wu, Hui^*

来源：REACTIVE & FUNCTIONAL POLYMERS, 2023, 185: 105542.

DOI：10.1016/j.reactfunctpolym.2023.105542

• Adhesive
• Aldehyde
• Biocompatibility
• Catechol
• Cellulose

Adhesives can connect two or more materials together through interfacial adhesion and cohesion, which have wide range applications in the fields of wood, packaging and biomedicine. Currently, environmentally-friendly bio-based adhesives are considered to be a good alternative to non-renewable petroleum-based adhesives. In this paper, a catechol-containing dialdehyde carboxymethyl cellulose (DCMC-DA) adhesive with strong adhesion and biocompatibility was reported. Carboxymethyl cellulose (CMC) was oxidized to dialdehyde carboxymethyl cel-lulose (DCMC) by oxidation reaction, then catechol groups were incorporated into DCMC to obtain DCMC-DA. The DCMC-DA was characterized by Fourier transform infrared and UV-Vis spectroscopy. The lap shear strength of DCMC-DA on porcine skin and wood were 0.14 MPa and 4.38 MPa, respectively, which increased by 350% and 694% as compared with that of CMC. Moreover, NIH 3T3 cell tests demonstrated that DCMC-DA has good biocompatibility to promote cell proliferation. The DCMC-DA with strong adhesion and biocompatibility has great potential as a green and environmentally friendly adhesive in the fields of wood and biomedicine.

• 单位
  福建农林大学; 桂林理工大学; 湖南科技大学