H-1 NMR relaxation study of paper as a system of cellulose and water

被引：0
|
作者：
Capitani, D
Segre, AL
Attanasio, D
Blicharska, B
Focher, B
Capretti, G
机构：
[1] CNR,AREA RIC,NUCL MAGNET RESONANCE SERV,I-00016 MONTEROTONDO,ROME,ITALY
[2] IST CHIM MAT,I-00016 MONTEROTONDO,ROME,ITALY
[3] YAGELLONIAN UNIV,DEPT PHYS,KRAKOW,POLAND
[4] STN SPERIMENTALE CELLULOSA & CARTA,I-20133 MILAN,ITALY
来源：
TAPPI JOURNAL | 1996年 / 79卷 / 06期
关键词：
activation energy; bibliographies; bound water; cellulose; degradation; electron spin resonance; free water; nuclear magnetic resonance; paper; relaxation;
D O I：
暂无
中图分类号：
TB3 [工程材料学]; TS [轻工业、手工业、生活服务业];
学科分类号：
0805 ; 080502 ; 0822 ;
摘要：
The interaction between water and cellulose was studied in papers sized with neutral alkylketene dimer and in papers prepared with acidic rosin sizing. We analyzed samples using nuclear magnetic resonance (NMR) and electron paramagnetic resonance (EPR). We measured molar ratios of cellulose/total water and cellulose/bound water. For linter and kraft acid papers, bound water is lower in acidic papers than in their neutral counterparts. The water content in groundwood paper is almost twice that of linter and kraft papers.
引用
收藏
页码：113 / 122
页数：10
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