| 控释肥料的制造工艺及包膜的结构特征 |
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| 引用本文： | 李方敏,樊小林,张桥,喻建刚.控释肥料的制造工艺及包膜的结构特征[J].磷肥与复肥,2005,20(5):47-48. |
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| 作者姓名： | 李方敏 樊小林 张桥 喻建刚 |
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| 作者单位： | 长江大学,化学与环境工程学院,湖北,荆州,434023;华南农业大学,资源与环境学院,广东,广州,510642;华南农业大学,资源与环境学院,广东,广州,510642;广东省农业厅,土壤肥料工作总站,广东,广州,510500 |
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| 基金项目： | 国家自然科学基金项目(30270769)，广东省科技厅国际合作项目(2003C50202)，湖北省自然科学基金课题(2005ABA206) |
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| 摘 要： | 通过扫描电子显微镜观察树脂包膜型控释肥料的包膜结构,结果表明:控释肥A和B的包膜层均为较均匀、致密的层状叠加排列,叠层间有微小的孔隙,膜层形成了一道坚实的屏障将肥料核心包裹。控释肥B的包膜材料成本比控释肥A低,包膜层孔隙率明显高于后者,因此,控释肥A的养分释放期要长。
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| 关 键 词： | 控释肥料 制造工艺 包膜材料 包膜的结构特征 |
| 文章编号： | 1007-6220(2005)05-0047-02 |
| 修稿时间： | 2004年12月31 |
Manufacture technology of controlled release fertilizers(CRFs)and its structural characteristics of coating |
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| LI Fang-min,FAN Xiao-lin,ZHANG Qiao,YU Jian-gang.Manufacture technology of controlled release fertilizers(CRFs)and its structural characteristics of coating[J].Phosphate & Compound Fertilizer,2005,20(5):47-48. |
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| Authors: | LI Fang-min FAN Xiao-lin ZHANG Qiao YU Jian-gang |
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| Affiliation: | LI Fangmin~ |
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| Abstract: | Based on the structura analysis on the resincoated controlled release fertilizers (CRFs) observed by scanning electronic microscopy (SEM), the results show that the structure of both the CRF A and B is characterized by folded layers which form the micropathway on the coating layer. The fertilizer core is encapsulated in the coating materials which form a strong barrier between the fertilizer and its surroundings. Though the cost of fertilizer B is lower than that of fertilizer A, the porosity and aperture of coated layer are significantly higher, so the release of fertilizer A is slower. |
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| Keywords: | controlled release fertilizer manufacture technology coating material coating structural characteristics |
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