发明公开
- 专利标题: MANUFACTURING OF MICROCELLULOSE
- 专利标题(中): HERSTELLUNG VON MIKROZELLULOSE
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申请号: EP11729639.2申请日: 2011-06-06
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公开(公告)号: EP2576627A1公开(公告)日: 2013-04-10
- 发明人: RÄSÄNEN, Erkki Iikka Sakari , ROBERTSÉN, Leif , VUORENPALO, Veli-Matti , KARPPI, Asko , PARVIAINEN, Kari , DAHL, Olli , VANHATALO, Kari
- 申请人: Kemira OYJ
- 申请人地址: Porkkalankatu 3 00180 Helsinki FI
- 专利权人: Kemira OYJ
- 当前专利权人: Kemira OYJ
- 当前专利权人地址: Porkkalankatu 3 00180 Helsinki FI
- 代理机构: Svensson, Johan Henrik
- 优先权: FI20105639 20100607
- 国际公布: WO2011154597 20111215
- 主分类号: C08B15/02
- IPC分类号: C08B15/02 ; C08H8/00
摘要:
The present invention relates to a process for producing microcellulose comprising a) acidifying fibrous cellulosic material, b) washing the acidified cellulosic material, c) optionally dewatering the washed cellulosic material, and d) hydrolyzing the washed or washed and dewatered cellulosic material under acidic conditions at a temperature of at least 120°C and at a consistency of at least 8% on dry weight of the cellulose.
公开/授权文献
- EP2576627B1 MANUFACTURING OF MICROCELLULOSE 公开/授权日:2018-08-08
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