发明名称 A METHOD AND A SYSTEM FOR MANUFACTURING CELLULOSIC MATERIAL
摘要 A method for manufacturing cellulosic material includes: introducing cellulose fibers as cellulosic raw material to a system, conveying the cellulose fibers to an extruder comprising a mixing part and/or a refining part, dosing at least one chemical to the system before the extruder and/or in the extruder and performing a reaction between the cellulose fibers and the chemical(s) at least partly in the extruder, wherein the reaction is performed at a consistency of at least 40%, and/or dosing at least one chemical to the system before the extruder and/or in the extruder and mixing the cellulose fibers and the chemical(s) in the mixing part of the extruder, wherein the mixing step is performed at a consistency of at least 40%, and/or refining the introduced cellulose fibers at least partly in the refining part of the extruder, wherein the refining step is performed at a consistency of at least 5%.
申请公布号 EP2721074(A1) 申请公布日期 2014.04.23
申请号 EP20120801299 申请日期 2012.06.13
申请人 UPM-KYMMENE CORPORATION 发明人 TAMPER, JUHA;NUOPPONEN, MARKUS;KOSONEN, HARRI
分类号 C08B11/12;C08B1/08;C08B15/00;D21C9/00;D21H11/18;D21H11/20 主分类号 C08B11/12
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