| 苯乙烯-丙烯酸酯改性水性聚氨酯复合乳液的研制 |
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| 引用本文： | 张辉,傅和青,黄洪,陈焕钦.苯乙烯-丙烯酸酯改性水性聚氨酯复合乳液的研制[J].新型建筑材料,2008,35(12). |
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| 作者姓名： | 张辉 傅和青 黄洪 陈焕钦 |
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| 作者单位： | 华南理工大学化工与能源学院,广东,广州,510640 |
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| 摘 要： | 以双丙酮丙烯酰胺为交联剂，苯乙烯和丙烯酸酯为改性剂，进行自由基引发聚合，制备了高性能的苯乙烯-丙烯酸酯改性水性聚氨酯复合乳液。采用红外光谱和示差扫描量热法对乳液进行了分析，讨论了改性剂、St和交联剂的用量对乳液和胶膜性能的影响。实验结果表明，当改性剂苯丙乳液的用量为28％，其中St用量为15％、交联剂用量为2％时，改性的复合乳液综合性能较佳。
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| 关 键 词： | 苯乙烯 丙烯酸酯 水性聚氨酯 复合乳液 |
Development of waterborne polyurethane hybrid emulsion modified by styrene-acrylate |
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| ZHANG Hui,FU Heqing,HUANG Hong,CHEN Huanqin.Development of waterborne polyurethane hybrid emulsion modified by styrene-acrylate[J].New Building Materials,2008,35(12). |
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| Authors: | ZHANG Hui FU Heqing HUANG Hong CHEN Huanqin |
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| Affiliation: | ZHANG Hui,FU Heqing,HUANG Hong,CHEN Huanqin (School of Chemical , Energy Engineering,South China University of Technology,Guangdong 510640,Guangzhou,China) |
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| Abstract: | High performance styrene-acrylate modified waterborne polyurethane(WPU) emulsion was prepared using diacetone acrylamide(DAAM) as cross-linker,styrene (St) and acrylate as modifying agent and by free radical initiated polymerization. The structure and properties of emulsion were analyzed by infrared spectrum and differential scanning calorimetry. The effects of modifying agent,St and cross-linker content on performance of emulsion and film were discussed. The experiment results showed that all round perform... |
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| Keywords: | styrene acrylate waterborne polyurethane hybrid emulsion |
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