A reusable soy protein adhesive with enhanced weather resistance through construction of a cutin-like structure
Article
Huang, Xinxin, Chen, Yanqiu, Lin, Xixiang, Li, Jingchao Li, Luo, Jing, Li, Jianzhang, Gao, Qiang and Song, Pingan. 2024. "A reusable soy protein adhesive with enhanced weather resistance through construction of a cutin-like structure." Cell Reports Physical Science. 5 (6). https://doi.org/10.1016/j.xcrp.2024.102024
Article Title | A reusable soy protein adhesive with enhanced weather resistance through construction of a cutin-like structure |
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ERA Journal ID | 212025 |
Article Category | Article |
Authors | Huang, Xinxin, Chen, Yanqiu, Lin, Xixiang, Li, Jingchao Li, Luo, Jing, Li, Jianzhang, Gao, Qiang and Song, Pingan |
Journal Title | Cell Reports Physical Science |
Journal Citation | 5 (6) |
Article Number | 102024 |
Number of Pages | 17 |
Year | 2024 |
Publisher | Cell Press |
Place of Publication | United States |
ISSN | 2666-3864 |
Digital Object Identifier (DOI) | https://doi.org/10.1016/j.xcrp.2024.102024 |
Web Address (URL) | https://www.sciencedirect.com/science/article/pii/S2666386424002935 |
Abstract | Enhancing the weather resistance and reprocessability of soy protein-based (SP) adhesives poses a considerable challenge. Here, we report an SP adhesive inspired by animal cutin, featuring dynamic covalent bonds and an organic-inorganic hybrid structure. The soy protein isolate undergoes enzymatic hydrolysis and is then combined with L-cysteine, which is subsequently grafted with glycidol and sodium tetraborate to create disulfide bonds and borate ester bonds, along with mineralized calcium phosphate. This adhesive effectively bonds various substrates, enabling stainless-steel sheets to pull a 1,135 kg car. Additionally, the adhesive exhibits remarkable weather resistance comparable to a phenolic resin (PF) adhesive in an accelerated aging test. It showcases outstanding reusability, surpassing commercial urea-formaldehyde resins and PF adhesives in particleboard reprocessability. Furthermore, the adhesive proves to be mildew resistant, flame retardant, degradable, and eco-friendly. This study signifies a significant advancement in reusable and weather-resistant adhesives derived from plant proteins. |
Keywords | adhesive; soy protein; wood-based panel; weather resistance; biomimetic keratin; resuability; mold resistance; flame retardancy |
Contains Sensitive Content | Does not contain sensitive content |
ANZSRC Field of Research 2020 | 401609. Polymers and plastics |
Byline Affiliations | Beijing Forestry University, China |
Nanjing Forestry University, China | |
Centre for Future Materials | |
School of Agriculture and Environmental Science |
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