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    • 8. 发明申请
    • CONDITIONING AGENT FOR A PARTICULATE FERTILIZER FOR REDUCING HYGROSCOPICITY AND DUST FORMATION
    • 用于减少含水量和粉尘形成的颗粒肥料的调理剂
    • WO2016083435A1
    • 2016-06-02
    • PCT/EP2015/077603
    • 2015-11-25
    • YARA INTERNATIONAL ASA
    • OBRESTAD, TorsteinTANDE, Terje
    • C05G3/00B01J2/30
    • C05G3/0088B01J2/30C05C3/005C05C5/005C05C5/04C05C9/005C05G3/0029C05G3/0035C05G3/0041
    • The invention relates to a conditioning agent for reducing water absorption and dust formation of a particulate fertilizer, comprising 10 to 50 weight% of wax, 40 to 90 weight% of mineral oil and 1 to 15 weight% of a resin being mineral oil-soluble and miscible with wax and mineral oil, wherein the agent further comprises 0,1 to 1 weight% of a viscoelastic elastomer selected from the group of polyisobutylene and styrene-isoprene-styrene block copolymer which is soluble in mineral oil and has an average molecular weight of 30.000 to 5.000.000. The invention further relates to a particulate fertilizer composition, preferably a urea-ammonium sulfate (UAS) fertilizer, a urea fertilizer or a calcium nitrate fertilizer, comprising a particulate substrate, preferably an hygroscopic fertilizer, preferably a nitrogen- containing fertilizer, and 0.05 to 2 weight% of said coating thereon for reducing moisture uptake and dust formation of said fertilizer.
    • 本发明涉及一种用于减少颗粒肥料的吸水和粉尘形成的调理剂,其包含10至50重量%的蜡,40至90重量%的矿物油和1至15重量%的矿物油溶性树脂 并与蜡和矿物油混溶,其中所述试剂还包含0.1至1重量%的选自聚异丁烯和苯乙烯 - 异戊二烯 - 苯乙烯嵌段共聚物的粘弹性弹性体,其可溶于矿物油并具有平均分子量 为30.000至5.000.000。 本发明还涉及颗粒肥料组合物,优选尿素 - 硫酸铵(UAS)肥料,尿素肥料或硝酸钙肥料,其包含颗粒基质,优选吸湿性肥料,优选含氮肥料,并且0.05至 2重量%的所述涂层,用于减少所述肥料的吸湿和粉尘形成。