PROCESS FOR PRODUCTION OF OXIDISED CELLULOSE PULP
收藏国家林业和草原科学数据中心2023-02-12 更新2024-03-07 收录
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The present invention relates to a process for producing an oxidised cellulose pulp fibrillar network and a composite with lignocellulosic fibres comprising the following steps: (a)oxidising a cellulose pulp to obtain about0.3 to 2.5 mmol carboxylic groups per gram cellulose pulp; and about 0.1 to 5.0 mmol aldehyde groups per gram cellulose pulp; (b)homogenisation of the cellulose pulp of step (a)wherein the cellulose fibres are refined to provide a cellulose pulp comprising 0-50 % of fibres having an average length 0.7 mm -2.1 mm;and 50-100 % of fibres having a particle size of 0.05 -500 micrometer (??m); and optionally (c) combining with lignocellulosic fibre. Also step (d) drying of the cellulose pulp obtained by step (b)or step (c) may be included in the process. The present invention relates to a process for producing an oxidised cellulose pulp fibrillar network and a composite with lignocellulosic fibres comprising the following steps: (a)oxidising a cellulose pulp to obtain about0.3 to 2.5 mmol carboxylic groups per gram cellulose pulp; and about 0.1 to 5.0 mmol aldehyde groups per gram cellulose pulp; (b)homogenisation of the cellulose pulp of step (a)wherein the cellulose fibres are refined to provide a cellulose pulp comprising 0-50 % of fibres having an average length 0.7 mm –2.1 mm;and 50-100 % of fibres having a particle size of 0.05 -500 micrometer (??m); and optionally (c) combining with lignocellulosic fibre. Also step (d) drying of the cellulose pulp obtained by step (b)or step (c) may be included in the process.
提供机构：
国家林业和草原科学数据中心
创建时间：
2023-02-12
