A novel tetrabutyl ammonium bromide(TBAB) modified Wacker-type catalyst system supported on various supports has been investigated in the gas-phase oxidative carbonylation of methanol and CO for dimethyl carbonate(DMC...A novel tetrabutyl ammonium bromide(TBAB) modified Wacker-type catalyst system supported on various supports has been investigated in the gas-phase oxidative carbonylation of methanol and CO for dimethyl carbonate(DMC) synthesis. It is demonstrated that the SiO 2 supported Wacker-type catalysts have shown the best catalytic performance for DMC synthesis in terms of the activity and selectivity.展开更多
设在慕尼黑的Wacker公司开发出一种新型聚合物分散体，它专门用于满足纸张和包装工业的需求。这种新型乙酸乙烯酯一乙烯基共聚物分散体以品牌Vinnapas EP 441销售，它是一种多用途黏结剂，可以极为方便地使用喷嘴均匀涂敷，结合高凝固...设在慕尼黑的Wacker公司开发出一种新型聚合物分散体，它专门用于满足纸张和包装工业的需求。这种新型乙酸乙烯酯一乙烯基共聚物分散体以品牌Vinnapas EP 441销售，它是一种多用途黏结剂，可以极为方便地使用喷嘴均匀涂敷，结合高凝固速率，加快了工艺生产速率、降低了使用费用。展开更多
文摘A novel tetrabutyl ammonium bromide(TBAB) modified Wacker-type catalyst system supported on various supports has been investigated in the gas-phase oxidative carbonylation of methanol and CO for dimethyl carbonate(DMC) synthesis. It is demonstrated that the SiO 2 supported Wacker-type catalysts have shown the best catalytic performance for DMC synthesis in terms of the activity and selectivity.
