• Some method about synthesis of piperazine with aliphatic amine were introduced.

    介绍了脂肪合成哌嗪几种方法

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  • The invention relates to a catalyst for preparing low-grade aliphatic amine and a preparation method and application thereof.

    发明涉及一种制备低级脂肪催化剂及其制备方法和应用。

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  • The stabilizer of the acrylate adhesive is low-carbon aliphatic amine or comprises low-carbon aliphatic and metal chelating agent.

    发明丙烯酸酯胶粘剂稳定剂为低脂肪低碳脂肪胺金属鳌合剂组成。

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  • The excited state interaction of some aromatic hydrocarbon (acceptor) -aliphatic amine (donor) systems and the effect of polymer chain have been studied.

    本文研究了在激发状态芳烃(受体)脂肪(给体)相互作用以及高分子其中的影响

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  • Polysubstituted pyridines and 1,4-dihydropyridines were prepared in a three-component reaction of aromatic aldehyde, malononitrile and aliphatic amine in a mixed solvent of methanol and water.

    甲醇混合体系,通过,丙二脂肪的三组分反应我们顺利得到了一系列多取代吡啶1,4-二氢吡啶衍生物。

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  • The results show that amine content increases with ageing time and polyurethanes based on aromatic isocyanate has much better ageing resistance than ones based on aliphatic isocyanate.

    芳香族氰酸酯制成的聚氨酯脂肪族异氰酸酯的耐老化性能得多

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  • The results show that amine content increases with ageing time and polyurethanes based on aromatic isocyanate has much better ageing resistance than ones based on aliphatic isocyanate.

    芳香族氰酸酯制成的聚氨酯脂肪族异氰酸酯的耐老化性能得多

    youdao

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