末端氨基

改性剂对PA6树脂末端氨基含量的影响

Influence of additives on the content of amino end group of PA 6 resin

PA6树脂末端氨基含量是空白样的1.8倍。抗氧剂B215可显著抑制聚合过程的热氧化降解，使PA6树脂末端氨基含量大幅度下降。

Adding antioxidant B 215 can obviously restrain the thermo-oxidative degradation in the polymerization process and therefore , can make the content of amino end group of PA 6 decrease significantly .

含哌啶基的苯二酰胺热稳定剂类对反应体系的羧基具有一定的抑制作用，可有效提高PA6树脂末端氨基含量。

The addition of thermal stabilizer plays an inhibitive role to a given extent to the groups [ - COOH ] in the polymeric system and at the same time , benefit to increase the content of amino end group of PA 6 .

寡核苷酸固定过程中，末端氨基修饰没有明显的特异性，但是可以提高被固定探针的杂交容量。

During oligonucleotide immobilization , terminal amino modification has no obvious specificity , but it can enhance the hybridization capacity of immobilized oligonucleotides .

探针5'末端经过氨基修饰后，用芯片点样仪按照预先设计的编号位置在玻片上形成规则矩阵。

After the amidocyanogen embellishment , the probes were blotted regularly on the chips according to predesigned order .

利用红外光谱谱图证明酸酐基团与尼龙末端的氨基发生了反应，对相容剂的增容机理作了初步探讨。

The reaction of anhydride groups and amino end of nylon was proved by FTIR spectra . The compatibilization mechanism of compatibilizer was preliminarily discussed .

分散剂对分散稳定性也起比较重要的作用，当分散剂的长链的末端为氨基的时候，分散稳定性是最好的。

The dispersants were also making the important role to the dispersion stability . When the dispersants ' ends of the long chains were amino , we got the best dispersion stability .

通过末端带有游离氨基的间苯二酚杯芳烃酰胺衍生物与水杨醛反应，合成了含水杨醛亚胺端基的Schiff碱衍生物；

A series of polydentate Schiff base ligands of calix [ 4 ] resorcinarene were easily prepared from the amides which containing terminal amino groups with salicylaldehyde .