C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 191/00 (2006.01) A61K 9/42 (2006.01) B65D 65/42 (2006.01) D21H 19/14 (2006.01) D21H 19/18 (2006.01) D21H 19/46 (2006.01) D21H 27/10 (2006.01)
Patent
CA 2394288
This invention relates, in general, to a coating system which is a natural, renewable, healthier replacement of paraffin wax for paper coating application. The coating system is made from glyceride oils and is free of mineral hydrocarbons and their derivatives. More specifically, the present invention relates to packaging material comprising a substrate comprising a coating composition comprising a mixture of mono-, di- and triglycerides of saturated chain fatty acids, wherein said monoglycerides comprise 20-80% of said mixture, said diglycerides comprise 20-80% of said mixture, and, said triglycerides comprise 0-50% of said mixture. In a preferred embodiment, the glyceride oils are vegetable oils.
L'invention se rapporte, de manière générale, à un système de couchage qui est un substitut renouvelable de la paraffine, plus sain que cette dernière, pour les applications de couchage du papier. Ce système de couchage est composé d'huiles glycérides et ne contient pas d'hydrocarbures minéraux ni de dérivés de ces derniers. Plus spécifiquement, la présente invention se rapporte à un matériau d'emballage comportant un substrat contenant une composition de couchage renfermant un mélange de mono-, di- et triglycérides d'acides gras à chaînes saturées. Lesdits monoglycérides constituent 20 à 80 % dudit mélange, lesdits diglycérides constituent 20 à 80 % dudit mélange et lesdits triglycérides constituent 0 à 50 % dudit mélange. Dans une réalisation préférée, les huiles glycérides sont des huiles végétales.
Archer-Daniels-Midland Company
Goudreau Gage Dubuc
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