羟基丙烯酸树脂二级分散体是一种以水为分散介质具有自乳化功能的树脂,其与氨基树脂组合成双组分高温烘烤涂料,与异氰酸酯类组成丙烯酸酯-聚氨酯双组分涂料,是水性涂料的重要原料树脂品种.高固低黏羟基丙烯酸树脂二级水性分散体具有优异的硬度、丰满度、光泽度、耐候性、环保等特性,以及运输成本低、贮存使用方便的优点.综述了高固低黏羟基丙烯酸树脂二级水性分散体的合成研究进展,详细分析了溶剂、单体、引发剂和制备工艺等因素对合成产品的影响规律,旨在为高固低黏羟基丙烯酸树脂二级分散体的合成和应用提供参考.

Hydroxyl acrylic resin secondary dispersion is a kind of resin with self-emulsifying function in water.It can be combined with amino resin to form a two-component high-temperature baking coatings,and mixed with isocyanates to form an acrylic polyurethane two-component coatings,which is one of the important raw materials of waterborne coatings.The secondary dispersion of high solid and low viscosity hydroxyl acrylic resin has the excellent performance,such as hardness,fullness,gloss,weather resistance,environmental protection,and advantages of low transportation cost,easier storage and uses etc.The research progress in the synthesis of secondary dispersion of hydroxyl acrylic resin with high solid and low viscosity was reviewed.The influence of solvent,,monomer,initiator and preparation process on the synthetic products was analyzed in detail to provide a guidance for the synthesis and further application of secondary dispersion.