Methanol is a basic organic chemical raw material, which can be used to synthesize dimethyl ether, formaldehyde, HAc and acetic anhydride, etc. 甲醇是基本有机化工原料,可进一步加工为二甲醚、甲醛、醋酸、醋酐等。
The paper narrates raw materials selection, basic proportion, and technical index and use examples of alkyd resin without benzoic anhydride; and discusses main factors influencing its performance indexes. 论述了无苯酐醇酸树脂原材料的选择,基本配比和技术指标及应用实例,讨论了影响其性能指标的主要因素。
Zinc basic coating, prepared with flake zinc powder, aluminum powder, chromic anhydride and some other organic compounds, possessed good combination force and corrosion resistance. 片状锌粉与达克罗涂层的研究利用片状锌粉、铝粉、铬酐及其它有机物配制的锌基涂料具有良好的结合力和耐蚀性。