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[1]何蕾,杨隽*,涂洁,等.蓖麻油基水性聚氨酯的合成及性能[J].武汉工程大学学报,2010,(03):79-81.
　HE Lei,YANG Jun,TU Jie,et al.Studies on syntheses and properties of waterborne polyurethane from castor oil[J].Journal of Wuhan Institute of Technology,2010,(03):79-81.
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蓖麻油基水性聚氨酯的合成及性能
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2010年03期
页码:
79-81
栏目:
材料科学与工程
出版日期:
2010-03-31

文章信息/Info

Title:
Studies on syntheses and properties
of waterborne polyurethane from castor oil
文章编号:
16742869(2010)03007903
作者:
何蕾; 杨隽*; 涂洁; 杨亮亮; 匡志娟
武汉工程大学材料科学与工程学院，湖北 武汉 430074
Author(s):
HE Lei;  YANG Jun;  TU Jie;  YANG Liangliang;  KUANG Zhijuan
School of Materials & Engineering, Wuhan Institute of Technology, Wuhan 430074,China
关键词:
蓖麻油; 水性聚氨酯; 水性涂料
Keywords:
castor oil;  waterborne polyurethane;  waterborne coating
分类号:
TG146.1
DOI:
-
文献标志码:
A
摘要:
采用蓖麻油(C.O.)、甲苯二异氰酸酯(TDI)和二羟甲基丙酸(DMPA)反应合成了水性聚氨酯(WPU)分散体，研究了n(—NCO)/n(—OH)、DMPA含量对聚氨酯乳液及涂膜性能的影响．实验表明：当n(—NCO)/n(—OH)为2.2∶1，DMPA添加量为7.0 %，反应温度为70℃，乳化温度为30 ℃时合成的水性聚氨酯涂料具有优良的成膜性、较高的硬度、良好的柔韧性和较好的疏水性．
Abstract:
Waterborne polyurethane (WPU) was prepared by the reaction of castor oil (C.O.) with dimethoxypropionic acid (DMPA) and toluene diisocyanate (TDI). The effects of molar ratios of —NCO to —OH and DMPA content on the properties were investigated. The result showed that the castor oil based waterborne polyurethane had excellent filmforming property, high hardness, excellent fallibility and good resistances to water. The best experiment conditions were as follows：molar ratio of n(—NCO)/n(—OH) was 2.2, DMPA content was 7.0 %, the temperatures of reaction and emulsification stage were 70 and 30 ℃, respectively.

参考文献/References:

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［2］闫福安. 内交联型水性聚氨酯皮革光亮剂的合成［J］.武汉化工学院学报, 2003, 25(1): 2527.
［3］戴震, 李莉, 张海龙,等. 植物油改性水性聚氨酯的研究现状［J］.中国涂料, 2009, 24(2): 1618.
［4］中华人民共和国国家技术监督局GB/T 63791996. 漆膜硬度测定法［S］. 北京: 中国标准出版社, 19970601.
［5］谢晶曦, 常俊标, 王绪明. 红外光谱在有机化学和药物化学中的应用［M］.北京：科学出版社, 2001:309321.
［6］Nanda A K, Wicks D A. The influence of the ionic concentration, concentration of the polymer, degree of neutralization and chain extension on aqueous polyurethane dispersions prepared by the acetone process［J］.Polymer, 2006, 7(6): 18051811.
［7］凌剑, 卫晓利, 邱圣军, 等. 亲水扩链剂对水性聚氨酯性能的影响［J］.中北大学学报, 2006, 27 (1): 5961.
［8］Zhang S B, Miao W, Zhou Y. Reaction study of waterborne polyurethanes based on isophorone diisocyanate, dimethylol propionic acid, and poly (hexane neopentyl adipate glycol) ［J］. Journal of Applied Polymer Science, 2004, 92(1): 161.

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备注/Memo

备注/Memo:
收稿日期：20091028作者简介：何蕾，女，硕士研究生.研究方向：水性聚氨酯涂料.指导老师：杨隽,女，教授，博士.研究方向:水性聚氨酯涂料.*通信联系人
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