全部

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

介绍了由脂肪胺合成哌嗪的几种方法。

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

本发明涉及一种制备低级脂肪胺的催化剂及其制备方法和应用。

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

本发明的丙烯酸酯胶粘剂的稳定剂为低碳脂肪胺或由低碳脂肪胺和金属鳌合剂组成。

4·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下芳烃(受体)和脂肪胺(给体)的相互作用以及高分子链在其中的影响。

5·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.

在甲醇和水的混合体系中，通过芳醛，丙二腈和脂肪胺的三组分反应我们顺利得到了一系列多取代的吡啶和1，4-二氢吡啶衍生物。

6·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.

芳香族异氰酸酯制成的聚氨酯比脂肪族异氰酸酯的耐老化性能好得多。