Role of water in the ageing mechanism of paper

被引：12
|
作者：
Lepore, A. [1 ,2 ]
Baccaro, S. [3 ]
Casieri, C. [4 ,5 ]
Cemmi, A. [3 ]
De Luca, F. [1 ,2 ]
机构：
[1] Univ Roma La Sapienza, CNR IPCF UOS Roma, I-00185 Rome, Italy
[2] Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy
[3] ENEA Mat Technol, Tech Unit, Casaccia RC, I-00123 Rome, Italy
[4] Univ Aquila, Dipartimento Fis, I-67010 Laquila, Italy
[5] Univ Aquila, CNR IPCF UOS Roma, I-67010 Laquila, Italy
来源：
CHEMICAL PHYSICS LETTERS | 2012年 / 531卷
关键词：
EXCHANGE;
D O I：
10.1016/j.cplett.2012.01.083
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
NMR correlation maps of paper samples suggest a two-site residence model for water in the ultrastructure of cellulose. When cross-linking and degradation of cellulose occur due to c-irradiation-induced ageing, a significant fraction of water appears confined into low-mobility sites of the cellulose matrix. As the cellulose damage grows more pronounced, the two-site structure turns into a single-site water arrangement. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：206 / 209
页数：4
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