Hydroxyl acrylic acid resin(HAR) with high solid and low viscosity was polymerized from an appropriate acrylic acid monomer in solution.

• 采用溶液聚合法合成了高固体分低粘度的羟基丙烯酸树脂(HAR),详细讨论了引发剂、链转移剂、反应温度、溶剂等对HAR粘度的影响。