Abstract
The present invention relates to a method for producing a film comprising nanocellulose, which method comprises: providing a suspension comprising 50-100 weight-% of nanocellulose based on total dry weight; forming a fibrous web of said suspension on a non-porous support; providing a press fabric comprising a web-side first surface and an opposite second surface, wherein said press fabric comprises a woven first fabric layer arranged in the press fabric as a layer providing said web-side first surface such that said press fabric has a woven surface structure at said web-side first surface; applying said web-side surface of said press fabric into direct contact with said web; wet-pressing said web by conducting said web, arranged between said press fabric and said non-porous support, through a pressing equipment, and drying the dewatered web so as to form said film. The invention further relates to a film produced from said method.
Patent family as of 14.12.2023
CA3174002 AA 20220830 CA20213174002 20210322
CN115315468 A 20221108 CN202180023119 20210322
EP4127031 A1 20230208 EP20210775357 20210322
JP2023518785 T2 20230508 JP20220556507T 20210322
SE202050317 A1 20210924 SE20200050317 20200323
SE544029 C2 20211109 SE20200050317 20200323
US2023193559 AA 20230622 US20220907028 20210322
WO21191771 A1 20210930 WO2021IB52359 20210322
| Original language | English |
|---|---|
| Patent number | US2023193559 A1 |
| IPC | D21H 25/ 06 A I |
| Priority date | 22/03/21 |
| Publication status | Published - 22 Jun 2023 |
| MoE publication type | Not Eligible |