2-bis(3相关论文
The goal of this work is to explore new polyimide materials that exhibit both high permeability and high selectivity for......
经傅-克烷基化反应合成了四甲基二苯乙烷,讨论了各反应条件对反应的影响,得出了最佳反应条件:n(邻二甲基):n(1,2-二氯乙烷):n(无水三氯化铝)为10:1:1.8(mol:mol:mol)反应温度......