木器漆用双组份水性聚氨酯固化剂的合成与性能研究  

Study on Synthesis and Properties of Curing Agent of Water-based Polyurethane for Wood Coatings

作　　者：李学良[1] 刘华[1] 聂孟云[1] 肖正辉[1] 

机构地区：[1]合肥工业大学化学工程学院,安徽合肥230009

出　　处：《广东化工》2011年第11期6-7,13,共3页Guangdong Chemical Industry

基　　金：安徽省教育厅重点科研基金(KJ2010A278)

摘　　要：以2-乙基4-甲基咪唑(EMI-2,4)为封端剂合成一种低温固化型水性聚氨酯固化剂,探讨了影响该封端反应的各个因素。所制得固化剂可明显提高漆膜的耐水性、耐溶剂性及力学性能,并在40℃以内均可有效固化。Curing agent of waterborne polyurethane was prepared use EMI-2,4 as blocking agent.The influencing factors of the blocking reaction were investigated.The solvent resistance and tensile strength of the film was greatly improved,and can be effectively solidify below 40 ℃.

关 键 词：低温固化 水性聚氨酯 咪唑 封端剂 

分 类 号：TQ633[化学工程—精细化工]