Application of waterborne acrylic emulsions in coated controlled release fertilizer using reacted layer technology

Yazhen Shen; Cong Zhao; Jianmin Zhou; Changwen Du

doi:10.1016/j.cjche.2014.09.034

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Application of waterborne acrylic emulsions in coated controlled release fertilizer using reacted layer technology

材料与产品工程 | Updated：2026-01-06

- Application of waterborne acrylic emulsions in coated controlled release fertilizer using reacted layer technology
- Chinese Journal of Chemical Engineering Vol. 23, Issue 1, Pages: 309-314(2015)
- Affiliations：
  
  State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences,Nanjing,China,210008
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2014.09.034
  CLC：
- Published：2015
- Accepted：
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Yazhen Shen, Cong Zhao, Jianmin Zhou, Changwen Du . Application of waterborne acrylic emulsions in coated controlled release fertilizer using reacted layer technology[J]. Chin.J.Chem.Eng., 2015, 23(1): 309-314.
DOI：

Yazhen Shen, Cong Zhao, Jianmin Zhou, Changwen Du . Application of waterborne acrylic emulsions in coated controlled release fertilizer using reacted layer technology[J]. Chin.J.Chem.Eng., 2015, 23(1): 309-314. DOI： 10.1016/j.cjche.2014.09.034.

摘要

Abstract

Waterborne acrylic emulsions modified with organic siloxanes and aziridine crosslinker were synthesized and applied as coating of controlled release fertilizer. The free films were characterized and the nutrient release profiles of the coated fertilizers were determined. The results show that methyl silicone oil and methylsilanolate sodiumcould not improve water resistance performance and glass transition temperature T

of coatings

while the firmness is enhanced. Aziridine crosslinker improves the water resistance performance

firmness and T

. Incorporation of methyl silicone oil and aziridine crosslinker gives an excellent aqueous acrylic emulsion for coated controlled release fertilizer

with the 30-day cumulative nutrient release reduced to 16% and an estimated nutrient release duration over 190 days. Therefore

this waterborne coating is promising to meet the requirements for controlled release of nutrient and environmental protection.

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