OALib Journal期刊
ISSN: 2333-9721
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dmpa胺化工艺制备水性聚氨酯
Keywords: 聚氨酯水分散体,胺化工艺,催化,环境友好
Abstract:
?将二羟甲基丙酸(dmpa)胺化后作为亲水扩链剂成功制备出不含n-甲基吡咯烷酮(nmp)和有机锡的聚氨酯水分散体(pud),研究了胺化工艺对pud制备过程及乳液性能的影响,并对涂膜结构和性能进行了表征。结果表明:胺化工艺不仅可以避免使用nmp和有机锡催化剂,而且可得到性能优异的pud。该工艺简单,具有环境友好的优点。
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