Li Ming, Huang Rui, Fu Zhengquan, Wang Di, Wang Chengyu, Li Jian
Engineering Research Center of Advanced Wooden Materials (Ministry of Education), Northeast Forestry University, Harbin 150040, China.
Key Laboratory of Bio-Based Material Science and Technology (Ministry of Education), Northeast Forestry University, Harbin 150040, China.
Polymers (Basel). 2020 Dec 30;13(1):127. doi: 10.3390/polym13010127.
Environmentally friendly protection coatings have obtained increasing attention for their use in wooden materials, which can be destroyed easily when exposed to outdoor environments. A series of silane sol coatings coordinated with Eu was prepared by hydrolyzing silane compounds. The obtained luminescent coating with three-dimensional net structure showed excellent optical, anti-ultraviolet aging, and thermal stability. The hybrid silane-modified compound coating was well-distributed on the wood by Si-O bonds to prevent its removal. The compound coating could stave off the decomposition of wood by converting ultraviolet light into red light and a charring action can endow the wood with thermal stability at high temperature, demonstrating the improvement of fire resistance and radiation residence following prolonged exposure to ultraviolet light, proving its excellent anti-ultraviolet aging properties.
环保防护涂料因其在木质材料中的应用而受到越来越多的关注，木质材料暴露在户外环境中时很容易被破坏。通过水解硅烷化合物制备了一系列与铕配位的硅烷溶胶涂料。所制备的具有三维网状结构的发光涂料表现出优异的光学、抗紫外光老化和热稳定性。杂化硅烷改性复合涂料通过Si-O键很好地分布在木材上，以防止其脱落。该复合涂料可以将紫外光转化为红光，从而延缓木材的分解，并且其炭化作用可以赋予木材高温下的热稳定性，表明在长时间暴露于紫外光后其耐火性和抗辐射性得到了改善，证明了其优异的抗紫外光老化性能。
