Copolymer of vinyl esters of aliphatic, saturated carboxylic acids,4.9 to 65% by weight of maleic esters and/or fumaric esters of monohydric aliphatic alcohols having a chain length of C1-C18 and/or alpha-olefins of 2 to 8 carbon atoms, 0.1 to 10% of a comonomer having ionic/nonionic stabilizing group
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Abstract
Beschrieben wird eine wässrige copolymere Polyvinylester-Dispersion, enthaltend DOLLAR A A) 100 Gewichtsteile eines Copolymerisats, abgeleitet von DOLLAR A A1) 34,9 bis 95 Gew.-% Vinylestern von aliphatischen, gesättigten Carbonsäuren, DOLLAR A A2) 4,9 bis 65 Gew.-% Maleinsäureestern und/oder Fumarsäureestern von einwertigen aliphatischen Alkoholen mit einer Kettenlänge von C¶1¶-C¶18¶ und/oder alpha-Olefinen mit 2 bis 8 C-Atomen, DOLLAR A A3) 0,1 bis 10% mindestens einem Comonomeren mit mindestens einer stabilisierenden nichtionischen oder ionischen Gruppe sowie DOLLAR A A4) gegebenenfalls weiteren Comonomeren, DOLLAR A wobei die Summe der Komponenten A1, A2 und A3 und gegebenenfalls A4 100 Gew.-% ergeben, DOLLAR A B) 0,1 bis 4,5 Gewichtsteile, bezogen auf die Gesamtmenge der eingesetzten Monomeren, vorzugsweise 0,5 bis 3,5 Gewichtsteile mindestens eines Schutzkolloids, vorzugsweise Polyvinylalkohol, DOLLAR A C) 0,1 bis 10 Gewichtsteile, bezogen auf die Gesamtmenge der eingesetzten Monomeren, vorzugsweise 0,5 bis 5,0 Gewichtsteile eines nichtionischen Emulgators, und DOLLAR A D) gegebenenfalls weitere für die Beschichtung von Lebensmitteln geeignete Zusätze. DOLLAR A Die Dispersion wird durch radikalische Emulsionspolymerisation hergestellt und eignet sich zur Beschichtung von Lebensmitteln. Die Verfilmungen aus diesen Dispersionen zeichnen sich durch eine niedrige Wasserdampftransmissionsrate aus.

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Patent Owner(s)
Patent Owner | Address |
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CELANESE EMULSIONS GMBH | DE65843 SULZBACH (TAUNUS) |
International Classification(s)
- A23L:FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT....
- C08F:MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONL....
- C09D:COATING COMPOSITIONS, e.g. PAINTS, VARNISHES, LACQ....
- A22C:PROCESSING MEAT, POULTRY, OR FISH
- C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- A23C:DAIRY PRODUCTS, e.g. MILK, BUTTER, CHEESE; MILK OR....

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- [Patents Count]
Inventor(s)
Inventor Name | Address |
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JAKOB MARTIN | 96103 HALLSTADT |
HARRER HEINRICH | 67056 LUDWIGSHAFEN |
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