RESIN ENCAPSULATED PARTICLES

Aminoplast and phenoplast particles are obtained by providing an aqueous solution of such a resin having a water tolerance level, adding a particulate core-forming material in solid form, e.g. mineral particles or cured resin particles, as well as a mixture of water and a stabilizing agent, the amou...

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Bibliographische Detailangaben
Hauptverfasser:	SHAH, JAYESH, O'DELL, ROBIN, D, SIMON, ALICE, M
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING WORKING-UP
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Beschreibung
Zusammenfassung:	Aminoplast and phenoplast particles are obtained by providing an aqueous solution of such a resin having a water tolerance level, adding a particulate core-forming material in solid form, e.g. mineral particles or cured resin particles, as well as a mixture of water and a stabilizing agent, the amount of water being sufficient to exceed the water tolerance level of the aminoplast or phenoplast, and thus forming an emulsion or suspension of the resin coated particles in water, and advancing cure of the resin to form partially or fully cured resin coatings having a thickness preferably about 5-75 mu m encapsulating the particulate core-forming material.