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US 5,310,785 AGranted
Coating composition and method of coating granular fertilizer with same
AssigneesCentral Glass Company, Limited, Shinto Paint Co., Ltd.
InventorsMasanori Hayakawa, Michio Miyazawa, Yoshisada Hayase, Hiroshi Hotta, Osamu Kondo
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Abstract
The disclosure relates to a coating composition for forming a coating film on a granular fertilizer in order to delay the release of plant nutrient elements therefrom. The coating composition includes an oil-modified alkyd resin and an unsaturated oil containing a conjugated double bond. The granular fertilizer can be coated with the coating composition without using an organic solvent.
Claims7
A solvent free coating composition for coating a granular fertilizer therewith, the coating composition consisting essentially of:
- an oil-modified alkyd resin;
- an unsaturated oil containing a conjugated double bond;
- a metal soap for crosslinking said unsaturated oil itself and/or for crosslinking between said unsaturated oil and said alkyd resin;
- and
- an antiskinning agent for preventing skinning of the coating composition, said antiskinning agent being optionally contained in the coating composition.
2 more elements
Dependencies are inferred from the claim text.