	US 12,338,370 B2
	Method to produce an adhesive component comprising starch and microfibrillated cellulose, an adhesive and products
Katja Lyytikäinen, Imatra (FI); Isto Heiskanen, Imatra (FI); and Kaj Backfolk, Lappeenranta (FI)
Assigned to Stora Enso OYJ, Helsinki (FI)
Appl. No. 17/999,065
Filed by Stora Enso OYJ, Helsinki (FI)
PCT Filed May 31, 2021, PCT No. PCT/IB2021/054752 § 371(c)(1), (2) Date Nov. 17, 2022, PCT Pub. No. WO2021/245531, PCT Pub. Date Dec. 9, 2021.
Claims priority of application No. 2050622-6 (SE), filed on Jun. 1, 2020.
Prior Publication US 2023/0242795 A1, Aug. 3, 2023
Int. Cl. C09J 103/02 (2006.01); B31F 5/04 (2006.01); B32B 3/28 (2006.01); B32B 7/12 (2006.01); B32B 29/00 (2006.01); B32B 29/08 (2006.01); C09J 11/06 (2006.01); C09J 11/08 (2006.01); D21H 27/36 (2006.01)

CPC C09J 103/02 (2013.01) [B31F 5/04 (2013.01); B32B 3/28 (2013.01); B32B 7/12 (2013.01); B32B 29/005 (2013.01); B32B 29/08 (2013.01); C09J 11/06 (2013.01); C09J 11/08 (2013.01); D21H 27/36 (2013.01); B32B 2255/12 (2013.01); B32B 2255/24 (2013.01); B32B 2307/718 (2013.01); B32B 2307/7244 (2013.01)]

12 Claims

1. 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.