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Hydrogels made of biopolymers for agricultural and environmental applications

By Pavel Ondruch

Abstract

This diploma thesis is focused on development and characterization of hydrogel materials for agricultural use. In the experimental section, different methods of preparing these materials were designed and optimized according to previous literature review. In the characterization of resulting materials, the main attention was paid to the kinetics of swelling, to the solubility, the leaching of nitrate and of humic compounds. Thermogravimetric analysis represented another important characterization technique, which provided information about the content and form of water bound in the material. The development of the material aimed mainly at an agricultural application providing the delivery of nutrients to soil and regulation of water content in soil

Topics: huminové látky; controlled release systems; hydrogels; systémy s řízeným uvolňováním; hydrogely; biopolymery; humic substancest; biopolymers
Publisher: Vysoké učení technické v Brně. Fakulta chemická
Year: 2011
OAI identifier: oai:invenio.nusl.cz:216718
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