[1]陈丽红,宋剑斌,李燃,等. 含氟水性聚氨酯的合成及其性能研究[J].西北林学院学报,2014,29(03):198-203.[doi:doi:10.3969/j.issn.1001-7461.2014.03.40]
　CHEN Li-hong,SONG Jian-bin,LI Ran,et al. Synthesis and Properties of Fluorinated Waterborne Polyurethane[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2014,29(03):198-203.[doi:doi:10.3969/j.issn.1001-7461.2014.03.40]
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 含氟水性聚氨酯的合成及其性能研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第29卷
期数:
2014年03期
页码:
198-203
栏目:
出版日期:
2014-05-30

文章信息/Info

Title:
 Synthesis and Properties of Fluorinated Waterborne Polyurethane
文章编号:
1001-7461(2014)03-0198-06
作者:
 陈丽红; 宋剑斌; 李燃; 杨文斌*
 （福建农林大学 材料工程学院，福建 福州 350002）
Author(s):
 CHEN Li-hong;  SONG Jian-bin;  LI Ran;  YANG Wen-bin*
 （College of Material Engineering,Fujian Agriculture and Forestry University,Fuzhou,Fujian 350002,China）
关键词:
 ; 含氟水性聚氨酯; 甲基丙烯酸十二氟庚酯; 接触角; 吸水率
Keywords:
 ; fluorinated waterborne polyurethane;  dodecafluoroheptyl methacrylate;  contact angle;  water absorption
分类号:
S782.39
DOI:
doi:10.3969/j.issn.1001-7461.2014.03.40
文献标志码:
A
摘要:
 以异佛尔酮二异氰酸酯(IPDI)、聚己内酯二元醇(PCL)、2,2-二羟甲基丙酸 (DMPA)、1,4-丁二醇(BDO)为原料合成聚酯型水性聚氨酯。通过氟单体（甲基丙烯酸十二氟庚酯(MBFA-12)）的引入，制备具有互穿网络结构的含氟水性聚氨酯(WPU-F)。研究了MBFA-12含量对WPU-F涂膜的乳液粒径、粘度、耐水性能、硬度、附着力以及耐磨性能的影响。结果表明，氟单体MBFA-12的加入，明显提高了涂膜的耐水性能。当氟单体含量为40%时，涂膜的接触角从未改性的60.5°提高到113.0°，吸水率也从未改性的60.20%降低至1.54%。但由于在反应过程中MBFA-12本身容易自聚产生一些低聚物，对WPU涂膜的硬度和耐磨性能产生不良的影响。
Abstract:
 A series of waterborne polyurethane with polyester type were synthesized by using the reactants of isophorone diisocyanate (IPDI), poly-caprolacloneglycol(PCL),2,2-dihydromethylpropionic acid (DMPA),and 1,4-butanediol (BDO), etc.The dodecafluoroheptyl methacrylate (MBFA-12) was added to prepare fluorinated waterborne polyurethane (WPU-F) with an interpenetrating network.The influences of the content of MBFA-12 on the properties of WPU-F were discussed.The results showed that with the addition of MBFA-12, the water resistance of the film was improved greatly due to the low interface energy of -CF3: when the content of MBFA-12 was 40%,the contact angle of WPU-F film increased from 60.5° to 113.0°,and the water absorption decreased from 60.20% to 1.54%.But the content of hydrophilic group reduced which caused the particle size enlargement and the viscosity decreasing.And some oligomers which might be produced from the self polymerization of MBFA-12 decreased the hardness and abrasive resistance of the film.

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备注/Memo

备注/Memo:
 收稿日期：2013-09-02 修回日期：2013-09-29
基金项目：国家自然科学基金（31170535，2010N5001）。
作者简介：陈丽红，女，在读硕士，研究方向：水性聚氨酯复合材料。E-mail:13799389549@163.com
*通信作者：杨文斌，男，教授，博士生导师，研究方向：复合材料。E-mail:fafuywb@163.com
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