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Research on HDI Trimer Modified Hybrid Waterborne Polyurethane Dispersion
Author(s): 
Pages: 41-45
Year: Issue:  10
Journal: Paint & Coatings Industry

Keyword:  水性聚氨酯改性HDI三聚体环氧树脂甲基丙烯酸甲酯;
Abstract: 合成了以己二异氰酸酯(HDI)三聚体代替部分甲苯二异氰酸酯(TDI),并用环氧树脂E-20和甲基丙烯酸甲酯(MMA)复合改性的水性聚氨酯(WPU)分散体,应用傅里叶红外光谱(FT-IR)和原子力显微镜(AFM)分析了产物的结构和表面形貌,采用示差扫描量热仪(DSC)测定了聚合物的玻璃化温度.研究结果表明,随着HDI三聚体含量的增加,PU乳液的外观变好,耐黄变性改善;而E-20和MMA含量的增加使涂...
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