Tolylene-2,4-diisocyanate(2,4-TDI)1 reacts with methanol through two simultaneous paths in the polyurethane reaction,whi......

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

<正>Tolylene-2,4-diisocyanate(2,4-TDI) 1 reacts with methanol through two simultaneous paths in the polyurethane reactio......

用在线红外分析仪监测不同温度下聚环氧丙烷二元醇（数均分子量1000和2000）与甲苯-2，4-二异氰酸酯反应过程中官能团（-NCO）的变化，进而计算......