| 聚氨酯-聚丙烯酸酯复合乳液的动态力学性能 |
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| 引用本文： | 孙卫红,晏欣.聚氨酯-聚丙烯酸酯复合乳液的动态力学性能[J].弹性体,2007,17(3):27-30,36. |
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| 作者姓名： | 孙卫红 晏欣 |
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| 作者单位： | 海军工程大学,化学与材料系,湖北,武汉,430033 |
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| 摘 要： | 采用种子乳液聚合法合成了聚氨酯一聚丙烯酸乙（丁）酯PU／PE（B）A]复合乳液。并研究了不同组成对复合乳液性质、相客性、阻尼性能及拉伸性能的影响。耐水性及稳定性测试表明，随PE（B）A含量的增加，涂膜的耐水性变好，而乳液的稳定性变差。动态力学性能测试（DMS）表明，合成的PU／PE（B）A复合乳液为半相容体系，其相容性随PE（B）A含量的增加而增强。DMS和拉伸试验表明PU／PEA／P（B）A（质量比50／25／25）复合乳液具有优良的阻尼性能、抗拉强度和断裂伸长率，可用作宽温域阻尼涂料。
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| 关 键 词： | 复合乳液 聚氨酯 聚丙烯酸酯 动态力学性能 拉伸强度 |
| 文章编号： | 1005-3174（2007）03-0027-04 |
| 收稿时间： | 2006-12-18 |
| 修稿时间： | 2006-12-18 |
Syntheses and mechanical properties of polyurethane-poly (ethyl acrylate) hybrid emulsions |
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| SUN Wei-hong,YAN Xin.Syntheses and mechanical properties of polyurethane-poly (ethyl acrylate) hybrid emulsions[J].China Elastomerics,2007,17(3):27-30,36. |
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| Authors: | SUN Wei-hong YAN Xin |
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| Affiliation: | Deptartment of Chemistry and Material, Naval University of Engineering, Wuhan 430033, China |
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| Abstract: | PU/polyethyl(butyl)acrylate] PU/PE(B)A] hybrid emulsions were synthesized by the method of seed emulsion polymerization,and The influence of composition was investigated on the properties of emulsions,mechanical properties and dynamic mechanical of the PU/PE(B)A hybrid emulsions,The water resistance of PU/PE(B)A films becomes better when increase the contents of PE(B)A,and the stability of emulsions becomes better when decrese the contents of PE(B)A.The results of DMS showed that the PU/PE(B)A emulsions is semi-compatibile system,the compatibility of PU and PEA becomes better by increasing the contents of PEA.The results of DMS and tension tests showed that PU/PEA-PBA(50/25-25) hybrid emulsion has good damping property,tensile strength and elongation at break,and can be used as a damping coating in wide temperature range. |
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| Keywords: | hybrid emulsion polyurethane polyaerylate dynamic mechanical property tensile strength |
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