Invention Grant
- Patent Title: Process for the production of microfibrillated cellulose in an extruder and microfibrillated cellulose produced according to the process
- Patent Title (中): 在挤出机中生产微纤化纤维素的方法和根据该方法生产的微纤化纤维素
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Application No.: US13503871Application Date: 2010-10-26
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Publication No.: US08747612B2Publication Date: 2014-06-10
- Inventor: Isto Heiskanen , Ali Harlin , Kaj Backfolk , Risto Laitinen
- Applicant: Isto Heiskanen , Ali Harlin , Kaj Backfolk , Risto Laitinen
- Applicant Address: FI Helsinki
- Assignee: Stora Enso OYJ
- Current Assignee: Stora Enso OYJ
- Current Assignee Address: FI Helsinki
- Agency: Greer, Burns & Crain, Ltd.
- International Application: PCT/IB2010/054839 WO 20101026
- International Announcement: WO2011/051882 WO 20110505
- Main IPC: D21H11/20
- IPC: D21H11/20 ; D21H11/18 ; D21C1/08 ; D21C5/00 ; C08B15/08
Abstract:
The present invention relates to a process for the production of microfibrillated cellulose wherein the process comprises the steps of, providing a slurry comprising fibers, adding the slurry to an extruder, treating the slurry in the extruder so that the fibers are defibrillated and microfibrillated cellulose is formed. The invention further relates to a microfibrillated cellulose produced.
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