Process for production of film comprising microfibrillated cellulose
US11319671B2 · kind B2 · utility
1Cited by
2References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 30, 2017 |
| Grant date | May 3, 2022 |
| Priority date | — |
| Expiry date | Mar 30, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB82Y30/00
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a new process for improving dewatering when manufacturing a film comprising high amounts of microfibrillated cellulose (MFC) without negatively impacting the film properties. According to the present invention a high amount of nanoparticles is used as an additive, optionally together with a polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.