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STARCH UREA FORMALDEHYDE MATRIX ENCAPSULATION OF SOLID AGROCHEMICALS .2. RELEASE MECHANISM AND RELEASE MODELING

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Title STARCH UREA FORMALDEHYDE MATRIX ENCAPSULATION OF SOLID AGROCHEMICALS .2. RELEASE MECHANISM AND RELEASE MODELING
 
Creator KULKARNI, NV
RAJAGOPALAN, N
KALE, RP
KHILAR, KC
 
Description Based on experimental observation, a mechanism is proposed to describe the release of carbofuran from a starch-UF matrix. A simple mathematical model is developed to describe the diffusion-controlled release of a solid insecticide from a porous starch-UF matrix undergoing both volume and surface erosions. The model is tested with the release data collected for different matrices and with different pH values of the environmental liquid. The comparison between the model predictions and data is found to be reasonably good. The model describes the release process at different pH values by accounting for the influence of pH on the erosion rates.
 
Publisher JOHN WILEY & SONS INC
 
Date 2011-08-16T14:47:51Z
2011-12-26T12:54:59Z
2011-12-27T05:43:28Z
2011-08-16T14:47:51Z
2011-12-26T12:54:59Z
2011-12-27T05:43:28Z
1992
 
Type Article
 
Identifier JOURNAL OF APPLIED POLYMER SCIENCE, 45(5), 915-922
0021-8995
http://dx.doi.org/10.1002/app.1992.070450519
http://dspace.library.iitb.ac.in/xmlui/handle/10054/9532
http://hdl.handle.net/10054/9532
 
Language en