英语语法分析

The preparation of polyvinylamine and its application in synthesizing polymeric dyes were described.

本文综述了聚乙烯胺的合成及其在染料中的应用。

The mixtures of the starch and polyvinylamine showed significant effects on the improvement of paper strength, draining and retention of the pulp.

原淀粉与聚乙烯基胺的混合糊液对再生浆具有显著的纸力增强、助滤和助留效果。

Due to the cationic amino groups within polyvinylamine, the synthesized macromolecular UV absorbers showed high affinity to cotton fibers and good solubility in water.

利用骨架分子的阳离子性，赋予整理试剂对棉纤维的高亲和力和水溶性。