高固体分环氧涂料的制备与研究  

Preparation and Properties of High Solid Epoxy Coatings

作　　者：康瑞瑞 李陈郭 李至秦 杨名亮 苏雅丽 方大庆 

机构地区：[1]厦门双瑞船舶涂料有限公司,福建厦门361101

出　　处：《涂料工业》2017年第12期36-41,共6页Paint & Coatings Industry

基　　金：国家十二五科技支撑计划项目(2014BAE12B01)

摘　　要：以自制低黏度二聚酸改性环氧树脂(HEH)、双酚A环氧树脂和低黏度固化剂开发出VOC含量为79.2 g/L的高固体分环氧涂料。采用盐雾试验、3.5%Na Cl溶液和10%Na OH溶液浸泡试验、阴极剥离试验研究了HEH用量、颜料体积浓度(PVC)以及固化剂对涂层防腐性能的影响。采用SEM、EIS和DSC对涂层性能进行了表征。结果表明:HEH与E51按质量比1∶1复配,PVC=0.30且使用脂环胺固化剂时,涂层孔隙率小,致密性好,防腐性能优异。A high solid epoxy coating with VOC of 79.2 g/L was developed by using serf- prepared low viscosity epoxy resin （HEH） modified by dimer acid, bisphenol A epoxy resin and low viscosity curing agent. The effects of the amount of self-prepared resin, the PVC of coatings and the curing agents on the corrosion resistance of the coating were studied by salt spray test, 3.5% NaCl （aq） and 10% NaOH （aq） soaking test and cathodic stripping test. The coatings were also characterized by SEM, EIS and DSC. The results showed that when HEH and E51 were blended at with a mass ratio of 1：1, PVC = 0. 30 and the curing agent was alicyclic amine, the cured coating exhibited small porosity, good density and excellent corrosion resistance.

关 键 词：改性环氧树脂 高固体分涂料 防腐 VOC 

分 类 号：TQ637.85[化学工程—精细化工]