Quality Analysis of Dissolving Pulp Cellulose Fibers in NaOH/Additives Aqueous Solution

Yan SHI; Shan-shan ZHAO; Ning-ning JI; Fang WANG; Meng ZHANG

doi:10.14028/j.cnki.1003-3726.2016.012.007

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Quality Analysis of Dissolving Pulp Cellulose Fibers in NaOH/Additives Aqueous Solution

更新时间：2022-09-12

- Quality Analysis of Dissolving Pulp Cellulose Fibers in NaOH/Additives Aqueous Solution
- Polymer Bulletin Vol. 29, Issue 12, Pages: 43-49(2016)
- 作者机构：
  
  天津商业大学包装工程系, 天津 300134
- 作者简介：
- 基金信息：
- DOI：10.14028/j.cnki.1003-3726.2016.012.007
  CLC：
- Published：20 December 2016，
  
  Received：31 May 2016，
  
  Revised：27 September 2016，
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Yan SHI, Shan-shan ZHAO, Ning-ning JI, Fang WANG, Meng ZHANG. Quality Analysis of Dissolving Pulp Cellulose Fibers in NaOH/Additives Aqueous Solution. [J]. Polymer Bulletin 29(12):43-49(2016)
DOI：

Yan SHI, Shan-shan ZHAO, Ning-ning JI, Fang WANG, Meng ZHANG. Quality Analysis of Dissolving Pulp Cellulose Fibers in NaOH/Additives Aqueous Solution. [J]. Polymer Bulletin 29(12):43-49(2016) DOI： 10.14028/j.cnki.1003-3726.2016.012.007.

摘要

目前商业溶解木浆纤维素纤维的聚合度多在500~1800左右，这些浆粕的纤维素分子量具有多分散性。因此，本文以不同特征的溶解浆为纤维素纤维原料，结合纤维质量，分析讨论了NaOH水溶液中具有氢键受体物质的添加对其溶解不均一纤维素物料的影响。结果表明，与溶解纯纤维素不同，NaOH/添加剂水溶液对溶解浆纤维素纤维的溶解能力与浆纤维素纤维水溶液体系中纤维的粗度、纤维的刚硬程度和添加剂种类密切相关。混合添加剂的溶剂体系、添加少量氨基磺酸钠和环己基氨基磺酸钠的溶剂体系促进了较长纤维素纤维的溶解。

Abstract

At present

degree of polymerization of commercial dissolving wood pulp cellulose fibers is about 500~1800

and their molecular weight has polydispersity. Therefore

dissolving pulp with different characteristics was selected as cellulose fiber raw material

and effect of addition of hydrogen bond acceptor in NaOH aqueous solution on dissolving heterogeneous cellulose material was discussed in this paper

combined with fiber quality analysis. The results showed that dissolving capacity of NaOH/additives aqueous solution to dissolving pulp cellulose fibers is closely related to coarseness of pulp cellulose fibres in aqueous solution

rigid degree of fiber and types of additives

different from dissolving pure cellulose. And dissolution of longer cellulose fibers was improved in solvents with mixed additives

a small amount of sodium sulfamate

and sodium cyclamate.

关键词

溶解浆纤维素氢氧化钠溶液溶解纤维分析

Keywords

Dissolving pulpCelluloseNaOH aqueous solutionDissolutionFiber analysis

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