A called "178" brightening agent for alkaline zincate bath was prepared by condensation, quaternization.
采用缩合、季碱化及酯化反应研制了一种“178”碱性锌酸盐镀锌光亮剂。
2
The self-crosslinking reaction of the polymer is performed in the process of membrane forming after the quaternization.
聚合物的自交联反应发生在季铵化后的成膜过程。
3
It proves that this method can be ap-plied for examine the nitrogen content of natural fibre after quaternization. The relative tolerance is only be-low 5% and easy to operate.