室温自交联功能单体N,N'-二双丙酮丙酰胺基乙二胺的合成与应用

doi:10.3969/j.issn.0438-1157.2013.03.046

化工学报 ›› 2013, Vol. 64 ›› Issue (3): 1112-1117.DOI: 10.3969/j.issn.0438-1157.2013.03.046

• 材料化学工程与纳米技术 • 上一篇下一篇

室温自交联功能单体N,N'-二双丙酮丙酰胺基乙二胺的合成与应用

陈德海, 孙东成

华南理工大学化学与化工学院,广东广州510640

收稿日期:2012-05-25 修回日期:2012-07-03 出版日期:2013-03-05 发布日期:2013-03-05
通讯作者: 孙东成
作者简介:陈德海(1987—),男,硕士研究生。
基金资助:
广东省省部产学研项目(2010B090400080);广东省科技攻关项目(2010B010800016);广东省重大科技专项计划项目(2011A080802002)。

Synthesis and application of EDA-di(diacetone propionamido) in room temperature self-crosslinking

CHEN Dehai, SUN Dongcheng

School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, Guangdong, China

Received:2012-05-25 Revised:2012-07-03 Online:2013-03-05 Published:2013-03-05

摘要/Abstract

摘要： 利用乙二胺与双丙酮丙烯酰胺间的Michael加成反应合成了含酮羰基的新型扩链剂N,N'-二双丙酮丙酰胺基乙二胺,用¹H NMR和¹³C MNR证实了结构。聚己二酸新戊二醇酯、异佛尔酮二异氰酸酯(IPDI)、二羟甲基丙酸(DMPA)预聚后加入N,N'-二双丙酮丙酰胺基乙二胺扩链得到含酮聚氨酯预聚物,预聚物经分散、乙二胺扩链后得到聚氨酯分散体。研究了含酮扩链剂用量对分散体及其膜性能的影响。结果表明随N,N'-二双丙酮丙酰胺基乙二胺的增加,聚氨酯分散体的粒径增大、黏度减小。己二酸二酰肼交联后能明显提高WPU胶膜的力学性能。

关键词: N,N'-二双丙酮丙酰胺基乙二胺, 己二酸二酰肼, 室温自交联, 聚氨酯分散体

Abstract: A new type of comonomer EDA-di(diacetone propionamido) was synthesized by the Michael addition reaction using diacetone acrylamide and ethanediamine as raw materials.The structure of the monomer was verified by ¹H NMR and ¹³C MNR.Polyurethane dispersions(PUDs) were synthesized by the prepolymerization process using polyneopentanediol adipate(PNA) as soft segment,isophorone diisocyanate(IPDI) as hard segment,dimethylolpropionic acid(DMPA) as hydrophilic monomer,EDA-di(diacetone propionamido) as functional monomer.Research was done to know the influence of monomer on polyurethane dispersions.The result showed that particle size increased as the content of monomer increased while viscosity decreased.The mechanical property was improved through the room temperature self-crosslinking of adipic dihydrazide(ADH).

Key words: EDA-di(diacetone propionamido), adipic dihydrazide, room temperature self-crosslinking, polyurethane dispersions

中图分类号:

TQ323.8

陈德海, 孙东成. 室温自交联功能单体N,N'-二双丙酮丙酰胺基乙二胺的合成与应用[J]. 化工学报, 2013, 64(3): 1112-1117.

CHEN Dehai, SUN Dongcheng. Synthesis and application of EDA-di(diacetone propionamido) in room temperature self-crosslinking[J]. CIESC Journal, 2013, 64(3): 1112-1117.

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室温自交联功能单体N,N'-二双丙酮丙酰胺基乙二胺的合成与应用

Synthesis and application of EDA-di(diacetone propionamido) in room temperature self-crosslinking

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