| 甲酯化桐油改性WPUA乳液的制备及性能研究 |
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| 引用本文： | 徐廷旺,袁才登,唐克华.甲酯化桐油改性WPUA乳液的制备及性能研究[J].聚氨酯工业,2012(4):35-38. |
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| 作者姓名： | 徐廷旺 袁才登 唐克华 |
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| 作者单位： | [1]吉首大学林产化工工程湖南省重点实验室,张家界427000 [2]天津大学化工学院,300072 [3]张家界市桐发科技有限公司,427000 |
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| 基金项目： | 基金项目：桐油改性树脂及中间产品研发与转化（张科发[2008]13号）;新型桐油环保涂料的研制及桐油精细化工产品研发（张科发[2006]10号,Z2006002）;吉首大学研究生校级课题项目,立项号：10JDY029. |
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| 摘 要： | 以2,4-甲苯二异氰酸酯、聚醚多元醇、二羟甲基丙酸、甲基丙烯酸羟乙酯等为主要原料,制备了水性丙烯酸酯聚氨酯(WPUA)乳液;以甲酯化桐油(METO)为改性剂,采用不同改性方法制备了METO改性WPUA乳液。讨论了改性方法、R值、METO含量对乳液及胶膜性能的影响。结果表明,采用共聚改性法、R值为1.20、METO质量分数为4%时,制备的METO改性WPUA乳液及胶膜综合性能较佳。
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| 关 键 词： | 水性丙烯酸酯聚氨酯 甲酯化桐油 改性 |
Study on Preparation and Properties of Methyl-Esterification Tung Oil Modified WPUA Emulsion |
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| Xu Tingwang Yuan Caideng Tang Kehua.Study on Preparation and Properties of Methyl-Esterification Tung Oil Modified WPUA Emulsion[J].Polyurethane Industry,2012(4):35-38. |
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| Authors: | Xu Tingwang Yuan Caideng Tang Kehua |
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| Affiliation: | Xu Tingwang Yuan Caideng Tang Kehua ( 1. Key Laboratory of Hunan Forest Product ＆ Chemical Industry Engineering, Jishou University, Zhangjiafie 427000, China) ( 2. School of Chemical Engineering and Technology, Tianjin University, 300072, China) (3. Zhangjiajie Tung Fair Tec. Co. Ltd, 427000, China) |
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| Abstract: | A novel type of waterborne polyurethane-acrylate （WPUA） emulsion was prepared with PPG-1000, TDI ,DMPA,HEMA and METO, then the modified emulsion was prepared based on the METO modifier. The influ- ences of the modified methods,R value and METO content on structure and properties of WPUA emulsion and film was discussed. The result showed that the modified emulsion had better emulsion and film properties with the chem- ical modification,R value 1.2 and the METO content 4% , respectively. |
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| Keywords: | waterborne polyurethane-acrylate METO modification |
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