Single component self-curable aqueous-based PU system with new aziridinyl curing agent

淡江大學機構典藏 > 理學院 > 化學學系暨研究所 > 期刊論文 > Item 987654321/19527

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題名:	Single component self-curable aqueous-based PU system with new aziridinyl curing agent
作者:	Lai, Jian-zei;Chang, Yu-Ching;Yeh, Jen-taut;Chen, Kan-nan
貢獻者:	淡江大學化學學系
關鍵詞:	self-curing;aqueous-based PU;aziridinyl curing agent
日期:	2004-02-05
上傳時間:	2009-11-04 16:55:00 (UTC+8)
出版者:	John Wiley & Sons
摘要:	The self-emulsified aqueous-based polyurethane (PU) consists of carboxyl group, which is an ionic center not only stabilizing the aqueous polymer dispersion but also serving as the curing site toward aziridinyl curing agent. Two new aziridinyl curing agents, HDI-AZ and ADA-AZ, are prepared from an addition reaction of aziridine to hexamethylene diisocyanate (HDI) and adipic acyl chloride (ADA), respectively. These curing agents are added separately into NCO-terminated PU prepolymer before or after the water dispersion process. The resulting PU dispersion becomes a single component self-curable aqueous-based PU system. The cured PU is obtained from this single component PU dispersion on drying at ambient temperature. The improved PU properties demonstrate the feasibility of this convenient single component self-curable aqueous-based PU system.
關聯:	Journal of Applied Polymer Science 91(3), pp.1997-2007
DOI:	10.1002/app.13363
顯示於類別:	[化學學系暨研究所] 期刊論文

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0021-8995_91(3)p1997-2007.pdf		155Kb	Adobe PDF	323	檢視/開啟
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