Novel water-in-oil microencapsulation process and microcapsules produced thereby

A suspension of microcapsules in an organic liquid, the microcapsules containing an aqueous phase, is produced by interfacial polymerization in the presence of a proton transfer catalyst of a water-in-coil emulsion in which the aqueous phase contains a urea/formaldehyde or melamine/formaldehyde prep...

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Bibliographische Detailangaben
Hauptverfasser:	MARIUS RODSON, HERBERT BENSON SCHER
Format:	Patent
Sprache:	eng
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY FISHING FORESTRY HUMAN NECESSITIES HUNTING PERFORMING OPERATIONS PEST REPELLANTS OR ATTRACTANTS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PLANT GROWTH REGULATORS PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF THEIR RELEVANT APPARATUS TRANSPORTING TRAPPING
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Beschreibung
Zusammenfassung:	A suspension of microcapsules in an organic liquid, the microcapsules containing an aqueous phase, is produced by interfacial polymerization in the presence of a proton transfer catalyst of a water-in-coil emulsion in which the aqueous phase contains a urea/formaldehyde or melamine/formaldehyde prepolymer.