• 苯二甲酸乙二醇酯(PET)制备饱和树脂

    Unsaturated benzene - type polyester resin was prepared from waste polyethylene terephthalate (PET).

    youdao

  • 研究了以聚乙二醇400(PEG-400)催化剂,以苯二甲酸酐、 正丁醇月桂醇为原料合成苯二甲酸丁基月桂BLP)的试验过程。

    Synthesis of BLP was studied by using PEG 400 as catalyst and phthalic anhydride, butyl alcohol and lauryl alcohol as reactants.

    youdao

  • 研究了以聚乙二醇400(PEG-400)催化剂,以苯二甲酸酐、 正丁醇月桂醇为原料合成苯二甲酸丁基月桂BLP)的试验过程。

    Synthesis of BLP was studied by using PEG 400 as catalyst and phthalic anhydride, butyl alcohol and lauryl alcohol as reactants.

    youdao

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