| 摘要 |
1494821 Urea-fatty acid adducts NOVENYOLAJIPARI ES MOSOSZERGYARTO VALLALAT and BUDAPESTI MUSZAKI EGYETEM 23 Feb 1976 [11 March 1975] 07013/76 Heading C2C A urea-fatty acid adduct, consisting of discrete solid particles, is obtained by preparing a solution or melt from urea with 0 to 45 weight per cent water at 60‹ to 140‹ C., mixing it with the fatty acid, or a mixture of it with neutral fat, melted at 35‹ to 105‹ C., in a weight ratio between 35 : 60 and 60 : 35, and spraying the mixture into a spraying space wherein the sprayed particles proceeding in an air stream are allowed to remain there until they crystallize. |
