Additives preventing caking and humectation of nitrogenous fertilizers

The present invention relates to new additives for preventing caking and humectation of nitrogenous fertilizers having a material composition which is free of fatty amines or their salts and characterized in that it comprises: (i) between 50 and 90 parts by weight of a macrocrystalline paraffin havi...

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Bibliographische Detailangaben
1. Verfasser:	PRAT MONTOY ANTONI,RIAZA MARTINEZ JOAN-ANTONI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY 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 PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	The present invention relates to new additives for preventing caking and humectation of nitrogenous fertilizers having a material composition which is free of fatty amines or their salts and characterized in that it comprises: (i) between 50 and 90 parts by weight of a macrocrystalline paraffin having a viscosity at 100 DEG C between 2 and 5 cSt (ASTM D-455), with a paraffin oil content under 20% by weight (ASTM D-721); (ii) between 0 and 20 parts by weight of a paraffinic oil having a viscosity at 100 DEG C between 3 and 40 cSt (ASTM D-455); (iii) between 0 and 10 parts by weight of a microcrystalline paraffin having a viscosity at 100 DEG C between 10 and 25 cSt (ASTM D-455) with a paraffin oil content not greater than 15% by weight (ASTM D-721); (iv) between 10 and 50 parts by weight of phosphoric acid monoesters and/or diesters of C2-C22 alkyl or C2-C12 arylalkyl, optionally alkoxylated; so that the total paraffin oil content of the composition is greater than 1% by weight.