| 影响苯丙乳液-石蜡-凹凸棒石复合包膜尿素缓释效果因素的探讨 |
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| 引用本文： | 张雁,彭书传,陈天虎,周正发. 影响苯丙乳液-石蜡-凹凸棒石复合包膜尿素缓释效果因素的探讨[J]. 安徽农业科学, 2011, 39(16): 9708-9710 |
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| 作者姓名： | 张雁 彭书传 陈天虎 周正发 |
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| 作者单位： | 1. 合肥工业大学资源与环境工程学院,安徽,合肥,230009
2. 合肥工业大学化工学院,安徽,合肥,23000 |
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| 基金项目： | 安徽省2008年科技攻关项目(08010202140); 水体污染控制与治理科技重大专项(2008ZX07316-004) |
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| 摘 要： | [目的]改进苯丙乳液-石蜡-凹凸棒石复合包膜尿素的生产技术。[方法]通过分别改变各种包膜材料（苯丙乳液、石蜡和凹凸棒石粉末）的用量、干燥时间以及干燥温度,制得不同的苯丙乳液-石蜡-凹凸棒石复合包膜尿素,并且利用水浸泡试验研究制得的不同包膜尿素在水中的溶解特征。[结果]苯丙乳液-石蜡-凹凸棒石复合包膜尿素的制备最佳工艺参数为：每包膜100克尿素,石蜡用量为20 g,凹凸棒石粘土用量为3 g,苯丙乳液用量为50~60 ml,干燥温度为60℃,干燥时间为120 min。[结论]各种膜材料用量、干燥时间以及干燥温度均影响着该复合包膜尿素的缓释效果。
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| 关 键 词： | 苯丙乳液 石蜡 凹凸棒石 包膜尿素 干燥时间 干燥温度 |
Influence Factors of Nitrogen Release Characteristics of Urea Coated with Styrene-acrylate Emulsion,Paraffin Wax and Attapulgite |
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| ZHANG Yan et al. Influence Factors of Nitrogen Release Characteristics of Urea Coated with Styrene-acrylate Emulsion,Paraffin Wax and Attapulgite[J]. Journal of Anhui Agricultural Sciences, 2011, 39(16): 9708-9710 |
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| Authors: | ZHANG Yan et al |
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| Affiliation: | ZHANG Yan et al(School of Resources and Environment Engineering,Hefei University of Technology,Hefei,Anhui 230009) |
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| Abstract: | [Objective] The research aimed to improve the production technology of urea coated with styrene-acrylate emulsion,paraffin wax and attapulgite.[Method] Different kinds of controlled-release coated urea were prepared from normal urea by coating with styrene-acrylate emulsion,paraffin wax and attapulgite by changing coating material.Consumptions,drying time and drying temperature.Their nitrogen slow-release characteristics were investigated by water immersion research.[Result] The best process parameters of t... |
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| Keywords: | Styrene-acrylate emulsion Paraffin wax Attapulgite Coated urea Drying time Drying temperature |
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