| HAA体系低温固化干混消光粉末涂料用低酸值聚酯树脂的合成及性能研究 |
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| 引用本文： | 马志平,谢静,李勇,潘从艺,程润,许燕玲.HAA体系低温固化干混消光粉末涂料用低酸值聚酯树脂的合成及性能研究[J].涂料工业,2020,50(4):46-51. |
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| 作者姓名： | 马志平 谢静 李勇 潘从艺 程润 许燕玲 |
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| 作者单位： | 1. 中国电器科学研究院有限公司，广州510300；
2. 广州擎天材料科技有限公司，广州 510860
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| 摘 要： | 通过考察聚酯配方中的二元醇单体的作用，研究酸解剂对涂层性能的影响，并在聚酯中加入特殊搭配的光稳定剂，合成得到了适用于制备羟烷基酰胺（ HAA）体系低温固化干混消光粉末涂料的低酸值聚酯树脂，同时研究了粉末涂料的固化反应。结果表明：该粉末涂料具有较低的活化能，制备涂层可以实现 160 ℃低温固化，消光光泽约为 28，涂层具有良好的耐冲击性和耐老化性能，综合性能优异。
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| 关 键 词： | 聚酯树脂 粉末涂料 HAA 低温固化 干混消光 |
| 收稿时间： | 2019-08-29 |
Study on Synthesis and Properties of Low Acid Value Polyester Resin for Low Curing Temperature Dry-Blended Matt Powder Coatings Based on HAA |
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| Ma Zhiping,Xie Jing,Li Yong,Pan Congyi,Cheng Run,Xu Yanling.Study on Synthesis and Properties of Low Acid Value Polyester Resin for Low Curing Temperature Dry-Blended Matt Powder Coatings Based on HAA[J].Paint & Coatings Industry,2020,50(4):46-51. |
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| Authors: | Ma Zhiping Xie Jing Li Yong Pan Congyi Cheng Run Xu Yanling |
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| Affiliation: | (China National Electric Apparatus Research Institute Co.,Ltd.,Guangzhou 510300,China;Guangzhou Kirite Material Technology Co.,Ltd.,Guangzhou 510860,China) |
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| Abstract: | The effect of diol monomers in polyester formulation and acidolysis agent on properties of the coatings were investigated. Low acid value polyester resins for dry-blended matt powder coatings based on HAA was synthesized by adding special light stabilizer. The curing reaction of powder coatings was studied. The results showed that the powder coatings has alow activation energy,leading a lower curing temperature at 160 ℃,with a gloss of 28 and good impact resistance and weather resistance propeties. The coatings provided excellent comprehensive performance. |
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| Keywords: | polyester resin powder coatings HAA low curing temperature dry-blend matting |
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