The effects of reactant ratio, reaction time, catalyst amount,the species and amount of deaquation reagent on the yield of benzaldehyde 1,3-butanediol acetal were investigated.
甲
与1,3-丁
在钒磷氧催化剂作用下的
化反应进行了研究,考察了比、反应时间、催化剂用量、带水剂种类和体积等因
甲1,3-丁收率的影响。
The effects of reactant ratio, reaction time, catalyst amount,the species and amount of deaquation reagent on the yield of benzaldehyde 1,3-butanediol acetal were investigated.
甲与1,3-丁在钒磷氧催化剂作用下的化反应进行了研究,考察了比、反应时间、催化剂用量、带水剂种类和体积等因甲1,3-丁收率的影响。
And two new segmented poly(urethaneureas) were prepared from poly(tetramethylene glycol)(PTMG) or polyadipate of 1,4 butanediol(PBA), MDI and Urea(as chain extender).
以尿为扩链剂，合成了一系列聚氨酯脲热塑性弹性体及其硬段模型化合物。
The esterification of palmic acid and 1,4-butanediol was carried out in the (DBSA)/palmic acid/water microemulsion system,resulting in the synthesis of 1,4-butanediyl diester of palmic acid.
在棕榈酸/十烷基磺酸(DBSA)/水微乳液中,研究了DBSA催化下棕榈酸和1,4-丁的酯化反应,合成了标题化合物。
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