Coated fertilizer granules

• Main Authors: KANNAN, Ganesh, HAIGH, James
• Format: Patent
• Language: English
• Published: 23.03.2023
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; FERTILISERS; FERTILISERS CHARACTERISED BY THEIR FORM; MANUFACTURE THEREOF; METALLURGY; MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENTSUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVINGA SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES,SOIL-CONDITIONERS, WETTING AGENTS; NITROGENOUS FERTILISERS; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP

A fertilizer granule containing a core containing a plant nutrient; and a coat containing 55 wt. % to 90 wt. % of a poly butylene succinate adipate (PBSA), 10 wt. % to 45 wt. % of a second polymer selected from poly lactic acid (PLA), poly butylene succinate (PBS), or a combination or blend of PLA and PBS, and 0 wt. % to 30 wt. % of a wax based on the total weight of the coat, the coat forming a coating on an outer surface of the core and methods of making and using the fertilizer granule. Also a coating composition containing 55 wt. % to 90 wt. % of a PBSA and 10 wt. % to 45 wt. % of a second polymer selected from PLA, PBS, or a combination or a blend of PLA and PBS, and 0 wt. % to 30 wt. % of a wax.