Blending polycarbonate with aliphatic or alicyclic polyester is a valuable method to improve t... 而脂肪族或脂环族聚酯共混改性聚碳酸酯是提高其综合性能的一条好途径。
In this paper, two unsaturated alicyclic nitrogen heterocyclic crownethers were synthesized by phase transfer reaction . 采用相转移催化反应合成了两个不饱和脂环氮杂冠醚。
The electrical insulation properties of epoxy resins cured with alicyclic anhydrides of different chemical structures were similar. 不同化学结构脂环酸酐固化后的环氧树脂电气绝缘性能相近。
Therefore, the content of paraffinic &alicyclic hydrocarbons and aromatic hydrocarbons in these heavy oils can be characterized by this method. 研究结果表明:前三种油的氢碳原子比、芳香度与重质油的饱和烃加环烷烃、芳烃含量之间存在着良好的线性关系,可用线性方程来表示。
A modified alicyclic amine was synthesized and the relationship of the conditions of synthesis and properties of the amine was studied. 合成了一种改性脂环胺类环氧树脂固化剂,探讨了合成工艺条件与固化剂性能的关系。
Over the past four decades,many dearomatization reactions have developed and applied for synthesis of alicyclic compounds containing six-membered carboncyclic moieties. 芳香族化合物稳定、易得,通过芳香族化合物的脱芳构化反应,制备官能化的脂肪六元碳环化合物,早已引起人们的广泛兴趣。
