摘要： 现代高分子液体涂料的主流为溶剂型涂料,为满足环保要求,溶剂型涂料纷纷转向水性化。本文主要阐述了水性涂料的制备与应用的"液化"稳定性,并在"去液化"成膜后保持良好的耐水性。为了提高水性涂膜的耐水性,必须关注高固含、低黏度的配方设计。本文强调了水性涂料在液化制备和去液化成膜过程中的关注点,这是整个配方平衡的技巧,也是水性涂料具有稳定的工艺保障。

关键词: 水性涂料; 助剂; 液化; 去液化; 聚电解质稳定性; 两亲平衡

Abstract: The solvent-based coatings play an important role in all types of liquid coatings recent years. However, the solvent-based coatings are gradually modified or shifted into the waterborne coatings as driven by the environmental friendly concept. In this article, the prepa-ration and application of the waterborne coatings has been described. And the emulsifying sta-bility of the waterborne coatings and the cured film thereof having good water resistance are also discussed. The formulation design of high solid and low viscosity waterborne coatings should be underlined in order to improve the waterborne resistance of the cured film. In addition, some key points for the preparation and curing process of the waterbome coatings have been emphasized, which are useful for the formulation balance and stabilization of the water-borne coatings.

Key words: waterborne coatings; additives emulsification; de-emulsification; stability of polyelectrolyte; amphiphilic balance