詞語:diphenylmethane
diphenylmethane的解釋
diphenylmethanen. [化]二苯基甲烷
diphenylmethane的意思
diphenylmethane 二苯甲烷;diphenylmethane diisocyanate 二苯甲烷二異氰酸鹽;二苯甲烷二異氰酸酯;diphenylmethane dye 二苯甲烷染料;釋義:二苯基甲烷染料;dihydroxy-diphenylmethane 二羥二苯甲烷;
diphenylmethane的參考例句
1.Diphenylmethane diisocyanates (MDI) is an important material used for manufacturing polyurethanes. 二苯甲烷二異氰酸酯(MDI)是重要的聚氨酯原料,市場需求量很大。
2.The polyether type polyurethane elastomers based on polyether-polyol, 4, 4'-diphenylmethane diisocyanate and 1, 4- butanediol were synthesized. 以聚醚多元醇、4,4'-二苯基甲烷二異氰酸酯和1,4-丁二醇為原料合成了聚醚型聚氨酯彈性體。
3.The 4, 4′-bis(dodecanoyl) diphenylmethane has been synthesized by two-step reaction, alkylation and acylation, taken benzene, 1, 2-dichloroethane and dodecanoyl chloride as raw materials. 以苯、1,2-二氯乙烷、十二酰氯為基本原料,經過烷基化、酰基化兩步反應,合成4,4′-二(十二酰基)二苯乙烷。