发明名称 |
PULP REACTIVITY ENHANCEMENT |
摘要 |
This invention relates to pulp reactivity enhancement. In particular, the invention relates to a method of producing an alkali cellulose which includes steps of providing a pulp and subjecting the pulp to an alkaline treatment to produce the alkali cellulose in the presence of a spacer capable of entering the holes in the interfibrillar spaces of the cellulose fibres. The spacer enters the holes in the interfibrillar spaces of the cellulose fibres, particularly those created by the removal of hemi-cellulose, reducing the tendency for collapse to occur, for example during the subsequent pressing step. Examples of suitable spacers are polyethylene glycols, polyvinyl alcohols and polyacrylates. |
申请公布号 |
WO2007144824(A2) |
申请公布日期 |
2007.12.21 |
申请号 |
WO2007IB52212 |
申请日期 |
2007.06.12 |
申请人 |
SAPPI MANUFACTURING (PTY) LTD;WEIGHTMAN, DEREK ANDREW;FISCHER, HABIL KLAUS;MOBIUS, HEINZHORST |
发明人 |
WEIGHTMAN, DEREK ANDREW;FISCHER, HABIL KLAUS;MOBIUS, HEINZHORST |
分类号 |
D21C9/00;C08B1/00 |
主分类号 |
D21C9/00 |
代理机构 |
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