Method in internal sizing of liquid packaging board and...

D - Textiles – Paper – 21 – H

Patent

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D21H 17/17 (2006.01) D21H 21/16 (2006.01)

Patent

CA 2443368

An internal size and a method for sizing board, such as liquid packaging board, with a hydrophobising internal size containing oxetanon derivative or 2- oxetanon. The main part of the hydrocarbon chains R' and R'' of the oxetanon derivative or 2-oxetanon are derived from linear fatty acids, and <= 20 w-%, typically 2 to 15w-%, most typically 5 to 12 w-% of the hydrocarbon chains are derived from branched and mainly saturated fatty acids.

L'invention concerne une colle dans la masse et un procédé de collage de carton, tel qu'un carton d'emballage de liquide, à l'aide d'une colle dans la masse d'hydrophobisation contenant un dérivé d'oxétanone ou une 2-oxétanone. La plupart des chaînes hydrocarbonées R' et R'' du dérivé d'oxétanone ou de la 2-oxétanone sont dérivées d'acides gras linéaires et 20 % en poids ou moins, de façon typique entre 2 et 15 % en poids et le plus typiquement de 5 à 12 % en poids, des chaînes hydrocarbonées sont dérivées d'acides gras ramifiés et principalement saturés.

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