VERFAHREN ZUR HERSTELLUNG PULVERFÖRMIGER (POLY)HARNSTOFFE MITTELS SPRÜHTROCKNUNG

VERFAHREN ZUR HERSTELLUNG PULVERFÖRMIGER (POLY)HARNSTOFFE MITTELS SPRÜHTROCKNUNG

A method (M1) for the production of (poly)urea powder (I) involves spray-drying a suspension of (poly)urea particles in at least one solvent. Independent claims are also included for (1) (poly)urea powder (I) obtained by this method (2) (poly)urea powder with an average particle size of less than 50...

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Bibliographische Detailangaben
Hauptverfasser: KRAY, BERND DR, FESSENBECKER, ACHIM DR, LAUFER, WILHELM DR, GALDA, PATRICK DR
Format: Patent
Sprache:ger
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Zusammenfassung:A method (M1) for the production of (poly)urea powder (I) involves spray-drying a suspension of (poly)urea particles in at least one solvent. Independent claims are also included for (1) (poly)urea powder (I) obtained by this method (2) (poly)urea powder with an average particle size of less than 50 microns and/or a specific surface of more than 20 m 2>/g (by mercury porosimetry) (3) compositions (II) containing (I) suspended in base oil(s) and/or solvent(s) (4) a method (M2) for the production of (II) by suspending (I) in base oil(s) and/or solvent(s) (5) compositions obtained by M2 (6) lubricants containing (I), base oil(s) and optionally other conventional lubricant additives etc. .