METHOD FOR PREPARING AN AQUEOUS COATING DISPERSION OF STARCH AND AN AQUEOUS COATING DISPERSION OF STARCH PREPARED BY THAT METHOD

The present invention relates a method for preparing an aqueous coating dispersion of starch having good film-forming properties and usability in the room temperature. Further, the present invention relates to a method of coating substrates such as pharmaceuticals, food, agricultural seeds and the l...

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Bibliographische Detailangaben
Hauptverfasser:	KROGARS, KARIN, LAHTINEN, RIITTA, MYLLAERINEN, PAEIVI, YLIRUUSI, JOUKO, K, HEINAEMAEKI, JYRKI, T, FORSSELL, PIRKKO
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ADHESIVES AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES FILLING PASTES GENERAL PROCESSES OF COMPOUNDING HUMAN NECESSITIES HYGIENE INKS MEDICAL OR VETERINARY SCIENCE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS THEREFOR WOODSTAINS WORKING-UP
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Beschreibung
Zusammenfassung:	The present invention relates a method for preparing an aqueous coating dispersion of starch having good film-forming properties and usability in the room temperature. Further, the present invention relates to a method of coating substrates such as pharmaceuticals, food, agricultural seeds and the like. The films prepared using the aqueous coating dispersion of starch according to the invention have a low oxygen transmission and satisfactory mechanical strength properties as well as good stability during storage. L'invention concerne un procédé de préparation d'une dispersion aqueuse de revêtement d'amidon présentant de bonnes propriétés de formage de film et une facilité d'emploi à la température ambiante. De plus, l'invention concerne également un procédé de revêtement de substrats, tels que des produits pharmaceutiques, des aliments, des graines destinées à l'agriculture et analogue. Les films préparés au moyen de la dispersion aqueuse de revêtement d'amidon selon l'invention présentent une faible transmission à l'oxygène et des propriétés de résistance mécanique satisfaisantes, ainsi qu'une bonne stabilité pendant le stockage.