高强度聚氨酯乳液的合成与性能研究  

Study on synthesis and properties of high strength waterborne polyurethane dispersion

作　　者：周海军[1] 张晓蕾[1] 许利莎[2] 孙秀杰[1] 李彦涛[1] 

机构地区：[1]河北省科学院能源研究所,河北石家庄050081 [2]河北工业大学,天津300130

出　　处：《河北省科学院学报》2010年第2期37-39,共3页Journal of The Hebei Academy of Sciences

摘　　要：采用甲苯二异氰酸酯(TDI)、聚合物多元醇和二羟甲基丙酸(DMPA)反应制得聚氨酯乳液,讨论了不同的聚合物多元醇,-NCO与-OH摩尔比值,三羟甲基丙烷(TMP)和DMPA对乳液胶膜力学性能的影响,研究结果表明,当采用聚酯二元醇ODX-218,-NCO与-OH的摩尔比值为1.5,TMP和DMPA含量为2.0%和7.0%时,可以得到胶膜力学性能好的聚氨酯乳液。The waterborne polyurethane dispersan（WPU）were synthesized by the reaction of toluene diisocyanate（TDI）with polymeric glycol and dimethylol propionic acid（DMPA）.The effects of the different glycol,the molar ratio of-NCO to-OH,and the contents of trimethylolpropane（TMP）and DMPA on the properties of the film were discussed.Results show that when polymeric glycol was ODX-218,the suitable molar ratio of-NCO to-OH was 1.5.The contents of TMP and DMPA was 2.0% and 7.0%,WPU with good mechanical properties was obtained.

关 键 词：水性聚氨酯 力学性能 聚酯 

分 类 号：TQ085[化学工程]