潜固化剂在单组分聚氨酯防水涂料中的应用效果研究  

Study on Application Effect of Latent Curing Agent in Single Component Polyurethane Waterproofing Coating

作　　者：肖春霞 Xiao Chunxia(CNBM Suzhou Waterproof Research Institute Co.,Ltd.,Suzhou,Jiangsu215008,China)

机构地区：[1]中建材苏州防水研究院有限公司,江苏苏州215008

出　　处：《中国建筑防水》2024年第2期14-16,共3页China Building Waterproofing

摘　　要：研究了不同种类潜固化剂对单组分聚氨酯防水涂料消泡效果、力学性能及储存稳定性的影响,结果表明,不同种类的潜固化剂均能有效消泡;醛亚胺类潜固化剂对涂料的力学性能基本无不利影响,但噁唑烷类潜固化剂会明显降低涂料的力学性能;分子结构中不含与异氰酸酯反应或引发其他反应基团的醛亚胺类潜固化剂对涂料的储存稳定性无不利影响。In this article,the effects of different types of latent curing agents on the defoaming effect,mechanical properties and storage stability of single component polyurethane waterproofing coating are studied.The results show that all the different types of latent curing agents can effectively defoam;aldimine based latent curing agents have little adverse effect on the mechanical properties of the coating,but oxazolidine based latent curing agents can significantly reduce the mechanical properties of the coating;aldimine based latent curing agents,of which the molecular structures do not contain groups that react with isocyanates or trigger other reactions,have no negative effect on the storage stability of the coating.

关 键 词：单组分聚氨酯防水涂料 潜固化剂 醛亚胺 噁唑烷 消泡效果 力学性能 储存稳定性 

分 类 号：TU502[建筑科学—建筑技术科学] TU561.65