POLYISOCYANATE PARTICLES OF CONTROLLED PARTICLE SIZE AND PARTICLE SIZE DISTRIBUTION

Solid polyisocyanate particles having a particle size distribution index (PSDI) of less than 1.5 and which are preferably substantially free of induced impurities. Also claimed is a method for the preparation of such particles by prilling. prilling. La presente invencion describe partículas poliisoc...

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Bibliographische Detailangaben
Hauptverfasser:	RAYMOND OLIVER, AREND JAN ZEEUW, JOSEPH YOUNGBLOOD STUART, MARK LEWIS MIDDLETON, ROBERT JAMES MUNRO
Format:	Patent
Sprache:	eng ; spa
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	Solid polyisocyanate particles having a particle size distribution index (PSDI) of less than 1.5 and which are preferably substantially free of induced impurities. Also claimed is a method for the preparation of such particles by prilling. prilling. La presente invencion describe partículas poliisocianato solidas que tienen un índice de distribucion de tamaño de partículas (PSDI) menor de 1.5 y las cuales están de preferencia substancialmente libres de impurezas inducidas. Tambien se describe un método para la preparacion de tales partículas mediante granulacion.