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| 硫酸盐竹浆杂细胞含量对打浆过程纤维形态的影响 |
| Effect of Non-fibrous Cell Content in Kraft Bamboo Pulp on Fiber Morphology During Beating Process |
| 收稿日期：2023-03-21 |
| DOI：10.11980/j.issn.0254-508X.2023.06.001 |
| 关键词: 硫酸盐竹浆 打浆 气球状结构 杂细胞 纤维形态 |
| Key Words:kraft bamboo pulp beating balloon-like structure non-fibrous cell fiber morphology |
| 基金项目:中央高校基本科研业务费项目（D2190550）。 |
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| 摘要:以硫酸盐竹浆为研究对象，利用纤维筛分仪分离竹纤维与杂细胞，对打浆过程中不同杂细胞含量竹浆的纤维形态和特性进行分析，探讨了杂细胞对竹纤维形态的影响。结果表明，杂细胞与竹纤维在打浆中形成的气球状结构相互摩擦，对竹浆性能产生影响。相同打浆转数下，杂细胞含量越高，竹浆滤水性能越差，纤维宽度越小。杂细胞在打浆过程中加剧了竹纤维的分丝帚化和细小纤维的产生，且易与竹纤维表面产生的细小纤维缠绕，使竹浆滤水性能降低。 |
| Abstract:Taking the kraft bamboo pulp as research object， bamboo fibers and non-fibrous cells were separated by fiber classifier. The fiber morphology and properties of bamboo pulp with different non-fibrous cell contents during beating process were analyzed. The effect of non-fibrous cells on the morphology of bamboo fibers was investigated. The results showed that the balloon-like structure formed by non-fibrous cells and bamboo fibers rubbed against each other during beating process， which influenced the performance of bamboo pulp. Under the same beating revolutions， the higher the non-fibrous cell content， the worse the water filtration performance of bamboo pulp， and the smaller the fiber width. Non-fibrous cells aggravated the external fibrillation of bamboo fibers and the production of fines， and easily entangled with the fines produced on the surface of bamboo fiber， which reduced the water filtering performance of bamboo pulp. |
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