发明名称 |
A METHOD FOR FRACTIONATING LIGNIN |
摘要 |
The present invention relates to a method for fractionating lignin, wherein the method comprises the following steps: (i) dissolving lignin into a mixture containing organic solvent and water; and (ii) ultrafiltrating the mixture formed in step (i) through one or more filtration membranes for producing a predetermined number of lignin fractions, wherein each fraction contains lignin with a molecular weight within a predetermined range. The present invention further relates to a lignin fraction and to the uses thereof. |
申请公布号 |
EP2859006(A1) |
申请公布日期 |
2015.04.15 |
申请号 |
EP20130732596 |
申请日期 |
2013.06.05 |
申请人 |
UPM-KYMMENE CORPORATION |
发明人 |
ESKELINEN, KATI;VALKONEN, SANNA;PIETARINEN, SUVI |
分类号 |
C07G1/00;C08H8/00 |
主分类号 |
C07G1/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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