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化工新型材料  2018, Vol. 46 Issue (10): 67-69    
  新材料与新技术 本期目录 | 过刊浏览 | 高级检索 |
PMMA-PU复合聚氨酯弹性体的制备与性能研究
陆琛1,2,陈浩2,王玲芳2,王路明2*
1.常州大学石油化工学院,常州213164;
2.盐城工学院材料科学与工程学院,盐城224051
Preparation and property of PMMA-PU composite polyurethane elastomer
Lu Chen1,2,Chen Hao2,Wang Lingfang2,Wang Luming2
1.School of Petrochemical Engineering,Changzhou University,Changzhou 213164;
2.School of Materials Engineering,Yancheng Institute of Technology,Yancheng 224051
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摘要 采用聚四氢呋喃(PTMG)与异佛尔酮二异氰酸酯(IPDI)预聚,通过甲基丙烯酸羟乙酯(HEMA)封端,成功制备丙烯酸酯基为端基的聚氨酯预聚体(PUA)。以PUA低聚物作为基础树脂,与甲基丙烯酸甲酯(MMA)单体共混进行自由基聚合,得到一系列聚甲基丙烯酸甲酯(PMMA)改性的聚氨酯(PU)复合材料。利用傅里叶变换红外光谱、X射线衍射、扫描电子显微镜以及力学性能测试等方法对材料结构与性能进行了表征和测试。结果表明,复合材料中PU与PMMA存在一定的相分离,且相分离程度随MMA用量的增加而加剧;PMMA-PU复合材料的拉伸强度随MMA用量的增加而增大,断裂伸长率随MMA添加量的增加而降低。
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陆琛
陈浩
王玲芳
王路明
关键词:  甲基丙烯酸甲酯  聚氨酯  力学性能    
Abstract: Polyurethane prepolymers terminated with acrylates(PUA) were synthesized from the reaction between the prepolymers prepared by diisocyanate(IPDI) with poly-tetrahydrofuran(PTMG) and functional agent 2-hydroxyethyl methacrylate(HEMA).PUA was served as the base resin.A series of crosslinked composites were synthesized by free radical polymerization of PUA prepolymers with methy methacrylate (MMA).The afforded PMMA-PU composites were characterized by FT-IR,XRD,SEM and mechanical measurements.Results showed that there existed phase separation in PMMA-PU composites and thus phase separations was increased with MMA contents increasing.The tensile strength of PMMA-PU increased with MMA contents increasing,while the elongation at break decreasing.
Key words:  methy methacrylate    polyurethane    mechanical property
               出版日期:  2018-10-20      发布日期:  2018-11-06      期的出版日期:  2018-10-20
基金资助: 国家自然科学基金(21504076)
通讯作者:  王路明(1962-),男,教授,研究方向为功能材料。   
作者简介:  陆琛(1992-),男,硕士研究生,研究方向为改性聚氨酯材料。
引用本文:    
陆琛,陈浩,王玲芳,王路明. PMMA-PU复合聚氨酯弹性体的制备与性能研究[J]. 化工新型材料, 2018, 46(10): 67-69.
Lu Chen,Chen Hao,Wang Lingfang,Wang Luming. Preparation and property of PMMA-PU composite polyurethane elastomer. New Chemical Materials, 2018, 46(10): 67-69.
链接本文:  
http://www.hgxx.org/CN/  或          http://www.hgxx.org/CN/Y2018/V46/I10/67
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