中南民族大学学报（自然科学版）2024，Vol.43Issue(4)：439-446,8.DOI:10.20056/j.cnki.ZNMDZK.20240402
无溶剂超支化有机硅耐高温涂层的性能
Performance of high-temperature resistant coatings from solvent-free hyperbranched organosilicon
摘要
Abstract
A solvent-free hyperbranched organosilicon resin(HSR)was prepared through a one-pot hydrolytic-condensation reaction using methyltriethoxysilane,dimethyldichlorosilane,and trimethylchlorosilane.The chemical structure was characterized by Fourier infrared transform spectroscopy and silicon nuclear magnetic resonance spectroscopy.The rheology,heat resistance and mechanical properties of HSR modified methyl organosilicon resin(SH9502)were systematically studied.The results showed that the addition of HSR could significantly reduce the viscosity and improve the heat resistance of HSR/SH9502 coating.With the increase of HSR content,the mechanical properties,flame retardancy,contact angle and many other properties of the coating were improved.When the content of HSR was 12%(mass fraction),the coating showed excellent mechanical properties,with no significant changes after high temperature treatment.At the same time,it showed excellent flame retardancy,adhesion and water resistance,and demonstrated great prospects in the field of high temperature flame retardant coatings.关键词
超支化有机硅树脂/无溶剂/流变性能/耐高温涂层Key words
hyperbranched organosilicon resin/solvent-free/rheological properties/high temperature resistant coating分类
化学化工引用本文复制引用
耿直,许泽军,杜斌,郭俊川,张道洪..无溶剂超支化有机硅耐高温涂层的性能[J].中南民族大学学报（自然科学版）,2024,43(4):439-446,8.基金项目
国家自然科学基金区域创新联合基金重点资助项目(U23A20691) （U23A20691）
国家民委创新团队资助项目(MZR20006) （MZR20006）
