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Synthesis of Aqueous Dispersion of Blocked Polyisocyanate
Author(s): 
Pages: 34-36
Year: Issue:  1
Journal: PAINT & COATINGS INDUSTRY

Keyword:  水分散甲乙酮肟封闭脂肪族多异氰酸酯;
Abstract: 以甲乙酮肟为封闭剂,以单羟基聚环氧乙烷为亲水改性剂,分别考察了不同改性剂用量、n(-OH):n(-NCO)、反应温度、反应时间对脂肪族水分散封闭型多异氰酸酯合成的影响.用红外光谱对封闭前后及解封后产物的结构进行了表征及分析.用合成的产物与含羟基水分散聚氨酯树脂进行配漆,并对漆膜性能作了初步探讨.
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