Mixture for the treatment of urea-containing fertilizers

Details Mixture for the treatment of urea-containing fertilizers Mixture for the treatment of urea-containing fertilizers

C - Chemistry, Metallurgy

05

C

C05C 9/00 (2006.01) C05G 3/00 (2006.01) C05G 5/00 (2006.01)

Patent

CA 2710601

A mixture for the treatment of urea-containing fertilizers comprises a) at least one (thio)phosphoric acid triamide of the general formula (I) R1R2N-P(X)(NH2)2 and/or (thio)phosphoric acid diamide of the general formula (II) R1O-P(X)(NH2)2, X denoting oxygen or sulfur, R1 and R2 independently from each other being hydrogen, substituted or unsubstituted 2-nitrophenyl, C1-10-alkyl, C3-10- cycloalkyl, C3-10-heterocycloalkyl, C6-10-aryl, C6-10-heteroaryl or diaminocarbonyl, where R1 and R2 together with the nitrogen atom connecting them can also form a 5 or 6- membered saturated or unsaturated heterocyclic group, which optionally may also comprise one or two additional heteroatoms selected from the group consisting of nitrogen, oxygen, and sulfur, as component A, and b) at least one compound comprising an amino group having a boiling point of more than 100°C as component B.

Ce mélange pour le traitement d'engrais contenant de l'urée comprend : a) comme composant A, au moins un (thio)triamide phosphorique de formule générale (I) R1R2N-P(X)(NH2)2 et/ou un (thio)diamide phosphorique de formule générale (II) R1O-P(X)(NH2)2, où X représente de l'oxygène ou du souffre et où R1 et R2 représentent indépendamment entre eux de l'hydrogène ou, respectivement substitué ou non substitué, du 2-nitrophényle, du C1-10-alkyle, du C3-10-cycloalkyle, du C3-10-hétérocycloalkyle, du C6-10-aryle, du C6-10-hétéroaryle ou du diaminocarbonyle, sachant que R1 et R2 peuvent aussi former, conjointement avec l'atome d'azote qui les lie, un radical hétérocyclique saturé ou insaturé à 5 ou 6 chaînons, qui peut éventuellement aussi contenir un ou deux autres hétéroatomes sélectionnés parmi le groupe constitué de l'azote, de l'oxygène et du soufre; b) comme composant B, au moins un composé contenant un groupe amino, ayant un point d'ébullition supérieur à 100 °C.

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