Method for hydrophobizing a cellulose substrate by utilizing a fatty acid halide
AssigneeStora Enso OYJ
InventorsSusanne Hansson, Raija Bådenlid, Carl-Magnus Brandén
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Abstract
The present invention relates to a method for hydrophobizing a cellulose substrate, which comprises a first side and a second side, which faces away from the first side, wherein the method comprising the steps of:—drying the cellulose substrate to a dry content above 80%, preferably above 85%;—providing a fatty acid halide in spray form; and—guiding said fatty acid halide in spray form to contact the first side of the cellulose substrate, and at least partially penetrate the cellulose substrate.
Claims20
A method for hydrophobizing a cellulose substrate, which comprises a first side and a second side facing away from the first side, wherein the method comprises the steps of:
- drying the cellulose substrate to a dry content above 80%;
- providing a fatty acid halide in spray form;
- and
- guiding said fatty acid halide to contact the first side of the cellulose substrate, and at least partially penetrate the cellulose substrate.
Dependencies are inferred from the claim text.