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2010 van Belzen Yara 7824565 Urea composition having reduced compressibility |
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UREA COMPOSITION HAVING REDUCED COMPRESSIBILITY, CAKE FORMATION AND DUST FORMATION, AND PROCESS FOR ITS PREPARATION. Colorfast urea composition having reduced compressibility, cake formation and tendency of re-crystallization of the urea granulate, wherein the granulate further contains at least two different biodegradable polymers, of which at least one polymer is preferably a polyalkenyl amine compound. The other polymer is preferably polyaspartic acid or polyvinyl alcohol. The invention further relates to a process for the preparation of such a urea composition. Please login to read full article |