| 氟代聚丙烯酸酯改性阳离子型聚氨酯乳液的制备 |
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| 引用本文： | 窦蓓蕾,安秋凤,孙刚.氟代聚丙烯酸酯改性阳离子型聚氨酯乳液的制备[J].聚氨酯工业,2009,24(6). |
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| 作者姓名： | 窦蓓蕾 安秋凤 孙刚 |
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| 作者单位： | 陕西科技大学,教育部轻化工助剂化学与技术重点实验室,西安,710021 |
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| 基金项目： | 浙江省重大科技专项(优先主题)工业项目，陕西科技大学研究生创新基金 |
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| 摘 要： | 以丙烯酸十二氟庚酯(FA)、丙烯酸羟丙酯(HpAA)为单体,通过偶氮二异丁腈(AIBN)引发聚丙烯酸酯自由基在交联的聚氨酯预聚体中进行聚合,并用N-甲基二乙醇胺(MDEA)进行亲水基扩链,溶液聚合相转化法制得新型氟代聚丙烯酸酯改性阳离子型聚氨酯复合乳液(FPUA)。对聚合物结构、乳胶粒形态进行表征。结果表明,以丙酮为溶剂,n_(NCO)/n_(OH)=1.3,MDEA质量分数6.5%、FA质量分数为8%时能得到半透明蓝光、稳定性良好的核-壳结构乳液,FPUA胶膜拉伸强度为19 MPa,吸水率为6.9%,接触角为101°,产品的耐水性优良。
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| 关 键 词： | 阳离子聚氨酯乳液 氟代丙烯酸 核-壳结构 耐水性 |
Synthesis of Cationic Fluorinated Acrylate Modified Polyurethane Hybrid Latex |
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| Dou Beilei,An Qiufeng,Sun Gang.Synthesis of Cationic Fluorinated Acrylate Modified Polyurethane Hybrid Latex[J].Polyurethane Industry,2009,24(6). |
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| Authors: | Dou Beilei An Qiufeng Sun Gang |
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| Affiliation: | Dou Beilei An Qiufeng Sun Gang (Shaanxi University of Science and Technology; Key Laboratory of Auxiliary Chemistry and Technology for Chemical Industry; Ministry of Education; Xi an; 710021; China); |
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| Abstract: | A novel cationic fluorinated acrylate modified polyurethane hybrid latex(FPUA) was prepared with the copolymerization of dodecafluroheptyl acrylate(FA) and hydroxypropyl acrylate(HpAA) in the medium of polyurethane solution by the initiation of azobisisobutyronitrile(AIBN) via phase inversion polymerization with N-methyldiethanolamine (MDEA) used as a hydrophilic chain-extender.The structure and the particle morphology of the resultant dispersions was characterized.The result indicated that with acetone as ... |
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| Keywords: | cationic polyurethane hybrid latex fluorinated acrylate core-shell structure water-resistance |
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