Synthesis and Characterization of a New Aziridinyl Curing Agent for Anionic Aqueous-Based Polyurethane

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题名:	Synthesis and Characterization of a New Aziridinyl Curing Agent for Anionic Aqueous-Based Polyurethane
作者:	王世杰;陳博正;陳幹男
贡献者:	淡江大學化學學系
关键词:	聚氨基甲酸酯;陽離子水溶液;次亞乙胺架橋;硬化劑;Polyurethane;Anionic Aqueous Solution;Aziridinyl Curing;Curing Agent
日期:	2003-01
上传时间:	2014-02-09 07:39:16 (UTC+8)
摘要:	A mono-aziridinyl group containing curing agent is synthesized from the addition reaction of aziridine with isophorone diisocyanate (IPDI) in equal molar ratio. It is resulting in a compound consists of isocyanate and aziridinyl groups. This newly prepared compound is purified and characterized by the spectrophotometric methods. This new compound is introduced into an aqueous-based amino- terminated PU dispersion and resulting a self-curable aqueous-based PU dispersion. The isocyanate and the aziridinyl groups of the compound react with the terminal amino and carboxylic groups of aqueous-based polyurethane within PU micelles and on the drying process, respectively. This compound owns two separated reactive functional groups serves as a new curing agent for the carboxylic group containing aqueous-based polyurethane. The performance properties of this cured PU with this new curing agent are investigated.
關聯:	第二十六屆高分子研討會論文集，4頁
显示于类别:	[化學學系暨研究所] 會議論文

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