发明名称 PROCESS FOR PRODUCING A COATED FERTILIZER COMPRISING BORON
摘要 A process for producing polyurethane coated fertilizer granules having core granules comprising at least 0.2 wt % of boron, the process having the step of applying a polyol and an isocyanate to the core granules, wherein an acidic component is applied to the core granules no later than the polyol.
申请公布号 US2014216119(A1) 申请公布日期 2014.08.07
申请号 US201214240910 申请日期 2012.08.24
申请人 Kaathoven Van Hendrikus Gijsbertus Andrianus;Xuan Bui Hoa 发明人 Kaathoven Van Hendrikus Gijsbertus Andrianus;Xuan Bui Hoa
分类号 C05G3/00 主分类号 C05G3/00
代理机构 代理人
主权项 1. A process for producing polyurethane coated fertilizer granules comprising core granules comprising at least 0.2 wt % of boron, the process comprising the step of: applying a polyol and an isocyanate to the core granules, wherein an acidic component is applied to the core granules no later than the polyol, wherein the core granules further comprise superphosphate containing complex RPK's, wherein the acidic component comprises an amine catalyst and wherein the acidic component is applied at a ratio of 0.1-4.0 wt % of the polyol.
地址 Nieuwstadt NL