| 可生物降解PBAT包膜尿素缓释肥料的制备与性能研究 |
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| 引用本文： | 靳玄烨,刘燕军,陈立广,郭宝华. 可生物降解PBAT包膜尿素缓释肥料的制备与性能研究[J]. 磷肥与复肥, 2014, 29(2): 10-12 |
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| 作者姓名： | 靳玄烨 刘燕军 陈立广 郭宝华 |
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| 作者单位： | 1. 清华大学 化学工程系,北京 100084;2. 防化研究院,北京 102205 |
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| 摘 要： | 以可生物降解PBAT为包膜材料,通过循环流化床工艺制备一系列PBAT包膜尿素缓释肥料,并对制备工艺进行了优化;通过扫描电镜观察包膜肥料表面形态特征,分析缺陷形成原因;通过水中静置法测试PBAT包膜尿素缓释肥料的缓释性能,测定缓释曲线,样品的初期释放率为20%~50%,第28天的累积释放率为70%~90%。
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| 关 键 词： | 聚己二酸/对苯二甲酸丁二酯 包膜尿素 缓释肥料 生物降解 |
| 修稿时间： | 2014-03-15 |
Preparation and properties of biodegradable PBAT coated urea slow release fertilizer |
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| JIN Xuan-ye,LIU Yan-jun,CHEN Li-guang,GUO Bao-hua. Preparation and properties of biodegradable PBAT coated urea slow release fertilizer[J]. Phosphate & Compound Fertilizer, 2014, 29(2): 10-12 |
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| Authors: | JIN Xuan-ye LIU Yan-jun CHEN Li-guang GUO Bao-hua |
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| Affiliation: | 1. Department of Chemical Engineering, Tsinghua University, Beijing 100084, China; 2. Research Institute of Chemical Defense, Beijing 102205, China) |
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| Abstract: | with biodegradable PBAT as coating materials, by circulating fluidized bed process for preparing a series of PBAT coated urea fertilizer, and the preparation process is optimized to determine the fogging agent concentration; By scanning electron microscopy, the surface morphology of coated fertilizers is observed, and the causes are analyzed; Through standing water release properties, the slow-release performance of PBAT coated urea fertilizer is tested, the initial release rate of the samples is 20%-50%, and the cumulative release rate in 28 days is 70%-90%. |
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| Keywords: | poly （butyleneadipate-co-terephthalate） coated urea slow release fertilizer biodegradation |
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