Evaluation of Waterborne Coating for Controlled-Release Fertilizer Using Wurster Fluidized Bed

被引：52

作者：

Zhao Cong ^{[1
]}

Shen Yazhen ^{[1
]}

Du Changwen ^{[1
]}

Zhou Jianmin ^{[1
]}

Wang Huoyan ^{[1
]}

Chen Xiaoyin ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Soil Sci, State Key Lab Soil & Agr Sustainabil, Nanjing 210008, Peoples R China

来源：

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 2010年 / 49卷 / 20期

关键词：

MATHEMATICAL-MODEL; COATED UREA; POLYETHYLENE; NITRATE;

D O I：

10.1021/ie101239m

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Coating through polymer film to control nutrient release can reduce the nutrient losses and minimize environmental contamination. In this research, the waterborne acrylate latex and additive (cross-linker aziridine) were used to develop coated controlled-release fertilizers by Wurster-type fluidized bed, and the influences of different cross-linker percentage on the coating properties and the nutrient-release profiles were investigated. The results indicated that the waterborne coating coupled with the 2 wt % of cross-linker could effectively decrease the swelling capacity of the membrane to 5.54 +/- 0.32% while obtaining a suitable T-g (6.13 degrees C); the cumulative nutrient-release percentage was significantly improved to around 40% in 9 days at 40 degrees C. This organic solvent-free coating provided a promising option for the development of coated controlled-release fertilizer.

引用

页码：9644 / 9647

页数：4

共 30 条

[1]

Abraham J, 1996, J APPL POLYM SCI, V60, P2347, DOI 10.1002/(SICI)1097-4628(19960627)60:13<2347::AID-APP6>3.0.CO

[2]

2-E

[3] Development of novel waterborne poly(1-naphthylamine)/poly(vinylalcohol)-resorcinol formaldehyde-cured corrosion resistant composite coatings [J].

Ahmad, Sharif ;

Ashraf, S. M. ;

Riaz, Ufana ;

Zafar, Sarvat .

PROGRESS IN ORGANIC COATINGS, 2008, 62 (01) :32-39

[4] Utilization of polyethylene and paraffin waxes as controlled delivery systems for different fertilizers [J].

Al-Zahrani, SM .

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 2000, 39 (02) :367-371

[5]

BARBOUR M, 1996, SURFACE COATINGS TEC, V1

[6] Mathematical model and computer simulation for release of nutrients from coated fertilizer granules [J].

Basu, S. K. ;

Kumar, Naveen .

MATHEMATICS AND COMPUTERS IN SIMULATION, 2008, 79 (03) :634-646

[7]

CABRERA RI, 1997, AM NURSERYMAN, V3, P32

[8] Prediction of nitrate release from polymer-coated fertilizers using an artificial neural network model [J].

Du, C. ;

Tang, D. ;

Zhou, J. ;

Wang, H. ;

Shaviv, A. .

BIOSYSTEMS ENGINEERING, 2008, 99 (04) :478-486

[9] Mathematical model for potassium release from polymer-coated fertiliser [J].

Du, C ;

Zhou, J ;

Shaviv, A ;

Wang, H .

BIOSYSTEMS ENGINEERING, 2004, 88 (03) :395-400

[10] Network structure formation during crosslinking of organic coating systems [J].

Dusek, K ;

Duskov-Smrcková, M .

PROGRESS IN POLYMER SCIENCE, 2000, 25 (09) :1215-1260

← 1 2 3 →