Mechanism of autoxidative degradation of cellulose

Mechanism of autoxidative degradation of cellulose
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DOI:
10.1515/rest.1997.18.4.163
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发表时间:
1997-01-01
影响因子:
0.4
通讯作者:
Kolar, J
Kolar, J
中科院分区:
管理学4区
文献类型:
--
作者:
Kolar, J

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列举了纤维素自氧化降解的可能机理,分析了它们在纸张老化降解中的重要性。指出在碱性介质中,自氧化反应加速,某些过渡金属离子和具有自氧化能力的基团也促进自由基反应。了解主要的降解途径可以帮助我们选择正确的保护处理某些文件,以及形成进一步的稳定化研究的基础。
The possible mechanisms of autoxidative degradation of cellulose are listed and their importance in degradation of paper during ageing is analysed. It is pointed out that autoxidative reactions are accelerated in alkaline media, In addition, certain transition metal ions as well as groups, which are capable of autoxidation, also promote the free radical reactions. Understanding of the main degradative routes may help us in choosing the right conservation treatment for certain paper,as well as form the basis for further stabilization studies.