Open AccessA Nan composite for invisible dental device with highly transparent and antibacterial
Author(s) -
LJ Jin,
Xiaoqian Shan,
Yujie Qin,
Yu Han,
Ying Gao
Publication year - 2020
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1549/3/032014
Subject(s) - materials science , composite number , composite material , thermoplastic polyurethane , nanometre , elastomer , nano , polymerization , silane , in situ polymerization , composite film , chemical engineering , polymer , engineering
The thermoplastic polyurethane elastomer modified by nano-TiO 2 particles was synthesized by in-situ polymerization, and the composite film is used for invisible dental device. The effects of different contents of nano-TiO 2 on the transparency and mechanical properties of the composite film were investigated. The results show that the nano-TiO 2 treated with silane coupling agent is uniformly dispersed in the TPU matrix. Compared with the pure TPU, the addition of nano-TiO 2 makes the transparency decrease and mechanical properties improve significantly. The surface of the film was modified with dopamine and then connected with antimicrobial peptides. The results of antibacterial experiments show that the modified films have excellent antibacterial properties.