CONTROLLED RELEASE FERTILIZERS UTILIZING AN EPOXY POLYMER PRIMER COAT AND METHODS OF PRODUCTION

摘要

Controlled release, particulate fertilizer products having awater soluble fertilizer central mass encased in a plurality ofwater insoluble, abrasion resistant coatings plus coatingcompositions and methods for the production of such productsare disclosed. At least one essential inner coating is anepoxide reaction product ofA. at least one epoxide resin containing at least about 2epoxide moieties per molecule, andB. at least one amine curing agent containing at least abouttwo N-H moieties/molecule.