Both bronze powder coated with citric acid and ascorbic acid can elevate the oxidation temperature, when coated by ethyl orthosilicate, the oxidation resistance was improved along with the increasing of use level. 柠檬酸和抗坏血酸包覆均能提高铜金粉的氧化温度,正硅酸乙酯包覆处理后铜金粉的开始氧化温度随包覆量的增加而提高。
In order to prepare white electrophoretic particles, SiO_2 particles were prepared by hydrolysis of ethyl orthosilicate in ammonia/ alcohol solution. 为制备出适用于电子墨水的白色电泳颗粒,采用控制正硅酸乙酯在氨水-乙醇溶液中的水解来合成SiO2颗粒。
Catalytic action of potassium fluoride for condensation reaction of ethyl orthosilicate with triethanolamine 氟化钾在原硅酸乙酯和三乙醇胺的缩合反应中的催化作用
Using ethyl orthosilicate as silica source and acetic acid as hydrolysis catalyst, the SiO_2 gel particles encapsulating α-amylase were prepared through sol-gel method at room temperature. 以正硅酸乙酯为硅源、醋酸为水解催化剂,采用溶胶-凝胶法,室温下制得包埋α-淀粉酶的二氧化硅凝胶颗粒。
Study on the synthesis of ethyl orthosilicate by combining reaction and distillation in a packed column 连续反应精馏合成正硅酸乙酯的研究
The candidate of nanometer SiO_ ( 2) reference material was prepared by chemical precipitation process, by using water and ethyl orthosilicate as raw materials, ammonia as the catalyzer, and ethanol as co-solvent. 以正硅酸乙酯和去离子水为反应物,氨水为催化剂,乙醇为共溶剂,通过沉淀反应制备窄分布的纳米二氧化硅标准物质候选物。
The amount of ethyl orthosilicate ( TEOS) and ammonia solution, the ratio of alcohol/ water, stirring style influencing on silica thickness and dispersion were explored. 探索各种反应条件(磁流体Fe3O4、硅源正硅酸乙酯、催化剂氨水、醇水比、搅拌方式等)对二氧化硅层厚度及粒子分散性的影响,从而优化制备条件。