Rothwell, Figg, Ernst & Manbeck, P.C.
Controlled-release type fertilizer with decreased floating property comprising tri-block copolymer and method for preparing the same
The present invention relates to a controlled-release type fertilizer with outstandingly decreased floating property, comprising a granular fertilize core; a coating layer (shell) formed on the surface of the granular fertilizer core, and comprising olefin-based resin; and additives attached on the coating layer, and comprising ethylene oxide-propylene oxide-ethylene oxide(EO-PO-EO) or propylene oxide-ethylene oxide-propylene oxide(PO-EO-PO) tri-block copolymer.
LG CHEM, LTD.
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Mihee Eun Kyoung Hyeon Joon Seok Kiyoul Hyosook
Kim Park Choi Lee Yoon Joo