• 甘醇硬脂酸为原料,选用对甲苯磺酸催化剂二甲苯为带水剂合成新型抗氧甘醇硬脂酸酯。

    A new antioxidant dithiodinglycol distearictate was synthesized starting from thiodiglycol and stearic acid using p-toluenesulfonic acid as catalyst and xylene as water carrier.

    youdao

  • 废气主要组成化氢氨气二甲苯甲苯烃类、甲醚、等。

    The main constituents of the waste gas include hydrogen sulfide, ammonia, dimethyl benzene, benzene, methyl benzene, phenol, hydrocarbon, methyl mercaptan, dimethyl sulfide and dimethyl disulfide.

    youdao

  • 液态橡胶、异氟尔酮异氰酸酯扩链剂3,6 --2 ,5 -二甲胺为原料,合成了不同硬段质量分数的聚代聚脲。

    A series of polysulfide based thio-polyurea was synthesized, which were based on isophorone diisocyanate, liquid polysulfide and 2,5-diamino-3,6-dimethylmercapto toluene.

    youdao

  • 液态橡胶、异氟尔酮异氰酸酯扩链剂3,6 --2 ,5 -二甲胺为原料,合成了不同硬段质量分数的聚代聚脲。

    A series of polysulfide based thio-polyurea was synthesized, which were based on isophorone diisocyanate, liquid polysulfide and 2,5-diamino-3,6-dimethylmercapto toluene.

    youdao

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