chemically modified natural polymers的意思|示意

Paints and varnishes (including enamels and lacquers)based on synthetic polymers or chemically modified natural polymers, dispersed or dissolved in an aqueous medium.

以合成聚合物或化学改性天然聚合物为基本成分的油漆及清漆（包括瓷漆及大漆），分散于或溶于水介质的。

This paper described the preparations and applications of some natural macromolecular flocculants and their chemically modified polymers.

本文介绍几种天然高分子絮凝制及其化学改性产物的研制和应用。