C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 5/18 (2006.01) C08L 5/14 (2006.01) C09D 105/14 (2006.01)
Patent
CA 2516612
A film-forming composition and a polymeric film or coating comprising hemicellulose, having a molecular weight of less than 50 000 g/mol, and at least one component selected from the group consisting of plasticizers, cellulose and a synthetic oligomer or polymer is disclosed. The use of said film or coating as an oxygen barrier is also disclosed. Further, a method for the manufacture of said polymeric film or coating is disclosed, as well as a method for improving the film-forming properties of hemicellulose having a molecular weight of less than 50 000 g/mol.
La présente invention concerne une composition filmogène et un film ou un revêtement polymère comprenant de l'hémicellulose, présentant une masse moléculaire inférieure à 50.000 g/mol, et comportant au moins un composant choisi dans le groupe des plastifiants, de la cellulose et d'un oligomère ou polymère de synthèse. L'invention concerne également l'utilisation de ce film ou revêtement comme barrière arrêtant l'oxygène. L'invention concerne enfin un procédé de fabrication de ce film ou revêtement polymère ainsi qu'un procédé permettant d'améliorer les propriétés filmogènes de l'hémicellulose d'une masse moléculaire inférieure à 50 000 g/mol.
Bodin Aase
Dammstrom Sofia
Eriksson Lisa
Gatenholm Paul
Groendahl Maria
Ridout & Maybee Llp
Xylophane Aktiebolag
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