Preparation and Fertilizer-Permeation Performance of Urea-Formaldehyde Resins Modified by Montmorillonite


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Urea-formaldehyde (UF) resins modified by montmorillonite(MMT) were prepared for coating materials of controlled-release fertilizers. The influences of MMT on the mechanical properties and fertilizer-permeation performance of UF resin were studied. The mechanical properties of modified UF resins are enhanced by the addition of MMT. The shear strength of modified UF resin with 3% MMT increases by nearly 20% and reaches the maximum. The urea permeation rate of modified UF resin membranes decreases with the increasing of membrane thickness and increases with the increasing of MMT content.



Advanced Materials Research (Volumes 361-363)

Edited by:

Qunjie Xu, Honghua Ge and Junxi Zhang




Z. R. Ying et al., "Preparation and Fertilizer-Permeation Performance of Urea-Formaldehyde Resins Modified by Montmorillonite", Advanced Materials Research, Vols. 361-363, pp. 1441-1444, 2012

Online since:

October 2011




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