结果发现:一羟基或羧基化合物能提高氟橡胶混炼胶的防焦烧性,并对压缩永久变形和拉伸强度等有一定的改善。
The results showed that the compound could improve the scorch safety the compression set and the tensile strength of fluororubber compound.
结果发现:一羟基或羧基化合物能提高氟橡胶混炼胶的防焦烧性,并对压缩永久变形和拉伸强度等有一定的改善。
The results showed that the compound could improve the scorch safety, the compression set and the tensile strength of fluororubber compound.
此外,它除了还原双键以外可以用来还原各种不同的有机化合物,如:硝基、羰基、氨基、芳香族及杂环化合物、羟基、羧基。
Moreover, catalytic hydrogenation can be used to the reduction of a variety of organic compounds, such as nitro, carbonyl, amino, aromatic and heteroaromatic compound, hydroxy group and carboxy group.
锆化合物可交联含有某些官能团,如羧基、羧基的聚合物。
Zirconium compounds can crosslink polymers which contain suitable functional groups, such as carboxyl and hydroxyl.
而羧基邻位有酚羟基存在时,则配体以双齿形式与钛配位形成二茂钛六元环状化合物。
And if there is a hydroxyl in ortho position of carboxyl, the oxygen of hydroxyl and carboxyl in ligand are bound to ti to form hexatomic cyclic compound.
而羧基邻位有酚羟基存在时,则配体以双齿形式与钛配位形成二茂钛六元环状化合物。
And if there is a hydroxyl in ortho position of carboxyl, the oxygen of hydroxyl and carboxyl in ligand are bound to ti to form hexatomic cyclic compound.
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