低黏型脂肪族异氰酸酯在低VOC体系中的应用研究  

Applied Research of Low Viscosity Aliphatic Isocyanates in Low VOC Systems

作　　者：孙立冬 杨振敏 鲁剑飞[1] 尹航宇 王相龙 SUN Lidong;YANG Zhenmin;LU Jianfei;YIN Hangyu;WANG Xianglong(Wanhua Chemical Group Co.,Ltd.,Yantai,Shandong 264006,China)

机构地区：[1]万华化学集团股份有限公司,山东烟台264006

出　　处：《涂料工业》2024年第S1期40-46,共7页Paint & Coatings Industry

摘　　要：为了满足涂料行业可持续发展的需求,在水性双组分聚氨酯涂料、高固体分聚氨酯中分别使用3种不同官能度的低黏HDI固化剂产品,并对其制备的聚氨酯涂料的干燥速度、力学性能、适用期及外观等性能进行了测试。结果表明,低黏固化剂可以显著降低体系VOC排放,并可在高固含、水性体系均表现出优异的外观和应用性能。To meet the requirement of sustainable development for coatings industry,this article provided three low viscousity HDI hardener with different functionalities using in 2K waterborne polyurethane coatings and high solid polyurethane coatings.The drying speed,mechanical properties,pot-life,and appearance of the coatings were tested.The results indicated that low viscousity hardener could significantly reduce VOC emissions and exhibited excellent appearance and application performance in both high solid polyurethane coatings and waterborne polyurethane systems.

关 键 词：低黏固化剂 水性双组分聚氨酯涂料 高固体分聚氨酯涂料 

分 类 号：X322[环境科学与工程—环境工程] TQ630.493[化学工程—精细化工]