Method to produce an adhesive component comprising starch and microfibrillated cellulose, an adhesive and products
AssigneeStora Enso OYJ
InventorsKatja Lyytikäinen, Isto Heiskanen, Kaj Backfolk
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Abstract
The present invention relates to a method for the production of an adhesive component wherein said method comprises the following steps: providing a suspension comprising starch granules, adding a suspension comprising microfibrillated cellulose to the suspension comprising starch granules, drying the starch granules and microfibrillated cellulose suspension to a dry content above 70 wt-% to form said adhesive component. The invention also relates to an adhesive, a corrugated board, paper and paperboard comprising said adhesive and to the adhesive component produced according to the method.
Claims12
A method for the production of an adhesive component wherein said method comprises the following steps:
- providing a suspension comprising starch granules,
- adding a suspension comprising microfibrillated cellulose to the suspension comprising starch granules to form a starch granules and microfibrillated cellulose suspension,
- drying the starch granules and microfibrillated cellulose suspension to a dry content above 70% by weight to form the adhesive component, wherein the starch granules in the adhesive component comprise visible granules.
A method for the production of an adhesive, wherein said method comprises the following steps:
- producing an adhesive component by providing a suspension comprising starch granules,
- adding a suspension comprising microfibrillated cellulose to the suspension comprising starch granules to form a starch granules and microfibrillated cellulose suspension,
- drying the starch granules and microfibrillated cellulose suspension to a dry content above 70% by weight to produce a dried adhesive, wherein the starch granules in the adhesive component comprise visible granules, and
- re-dispersing the dried adhesive in a suspension forming a re-dispersed adhesive.
Dependencies are inferred from the claim text.