On-Demand Release of Urea From a Cellulosic Hydrogel Using a Sprinkler Based Irrigation (SBI) Model

被引：5
|
作者：
Bajpai, S. K. [1 ]
Swarnkar, M. P. [2 ]
Ahuja, Sonam [2 ]
机构：
[1] Govt Model Sci Coll, Dept Chem, Polymer Res Lab, Jabalpur 482001, MP, India
[2] Kymore Sci Coll, Dept Chem, Katni, MP, India
来源：
JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY | 2015年 / 52卷 / 10期
关键词：
agrochemicals; Cellulose; hydrogels; crosslinking; urea; SLOW-RELEASE;
D O I：
10.1080/10601325.2015.1067020
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
In this work, epichlorohydrin (Ech) crosslinked cellulose hydrogels have been prepared and loaded with urea (Ur) for controlled release as a fertilizer. A detailed study of swelling behavior of these hydrogels and their urea releasing capacity has been carried out under various experimental conditions. The dynamic swelling and release data has been applied on various kinetic models. Finally, using a novel Sprinkler Based Irrigation (SBI) model, a model plant has been irrigated with water in the presence of urea-loaded hydrogel. It was found that plants, irrigated in the presence of urea-loaded hydrogel exhibited a better growth as compared to the control plant sample.
引用
收藏
页码：779 / 785
页数：7
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