Multifunctional bio-films based on silk nanofibres/peach gum polysaccharide for highly sensitive temperature, flame, and water detection

Tianyun Lu; Xiaokun Han; Dongming Chen; Jianxing Li; Zuocai Zhang; Shaorong Lu; He Wang

doi:10.1016/j.ijbiomac.2023.123472

Multifunctional bio-films based on silk nanofibres/peach gum polysaccharide for highly sensitive temperature, flame, and water detection

Int J Biol Macromol. 2023 Mar 15:231:123472. doi: 10.1016/j.ijbiomac.2023.123472. Epub 2023 Feb 2.

Authors

Tianyun Lu¹, Xiaokun Han², Dongming Chen³, Jianxing Li², Zuocai Zhang⁴, Shaorong Lu⁵, He Wang⁶

Affiliations

¹ Key Laboratory of Rubber-Plastics of Ministry of Education/Shandong Provincial Key Laboratory of Rubber, Plastics, School of Polymer Science and Engineering, Qingdao University of Science & Technology, Qingdao 266061, China; Key Laboratory of New Processing Technology for Nonferrous Metals and Materials, Ministry of Education, School of Material Science and Engineering, Guilin University of Technology, Guilin 541004, China.
² Key Laboratory of Rubber-Plastics of Ministry of Education/Shandong Provincial Key Laboratory of Rubber, Plastics, School of Polymer Science and Engineering, Qingdao University of Science & Technology, Qingdao 266061, China.
³ Key Laboratory of New Processing Technology for Nonferrous Metals and Materials, Ministry of Education, School of Material Science and Engineering, Guilin University of Technology, Guilin 541004, China.
⁴ Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, China. Electronic address: zhangzc@szu.edu.cn.
⁵ Key Laboratory of New Processing Technology for Nonferrous Metals and Materials, Ministry of Education, School of Material Science and Engineering, Guilin University of Technology, Guilin 541004, China. Electronic address: lushaorong@glut.edu.cn.
⁶ Key Laboratory of Rubber-Plastics of Ministry of Education/Shandong Provincial Key Laboratory of Rubber, Plastics, School of Polymer Science and Engineering, Qingdao University of Science & Technology, Qingdao 266061, China. Electronic address: wanghepolymer@qust.edu.cn.

PMID: 36736982
DOI: 10.1016/j.ijbiomac.2023.123472

Abstract

Given their environment friendliness, light weight, and availability, bio-films have attracted wide interest for various applications in sensor materials. However, obtaining sensors with good environmental stability, excellent flame retardancy, and high wet strength remains a challenge. Herein, we prepared sensitive water, temperature and flame-responsive multi-function bio-films (named as PSCG bio-films) by combining peach gum polysaccharide, silk nanofibres, citric acid, and graphene. The PSCG bio-films demonstrated good flexibility, rapid and consistent water absorption, and stable wet strength at different temperatures. The bio-films showed excellent water sensitivity and rapid fire responsiveness within a short time frame (2 s); moreover, the response and recovery times of the bio-films in the temperature range of 50-150 °C were 0.1 and 0.3 s, respectively. In addition, the bio-films can be applied to micro-sized fire early warning devices and personalized breath monitoring. Our work presents a facile and green approach (without toxic solvent) to fabricate multi-function sensors with applications in various industries.

Keywords: Carbon layer structure; Fire alarming; Flame retardancy; Sensor; Water response.

MeSH terms

Nanofibers*
Polysaccharides
Prunus persica*
Silk
Temperature
Water

Substances

Water
Silk
Polysaccharides