Changes in the Chemical and Physical Properties of Paper Documents due to Natural Ageing

被引:22
作者
Cabalova, Iveta [1 ]
Kacik, Frantisek [1 ]
Gojny, Jan [2 ]
Cesek, Bretislav [2 ]
Milichovsky, Miloslav [2 ]
Mikala, Ondrej [2 ]
Tribulova, Tereza [1 ]
Durkovic, Jaroslav [3 ]
机构
[1] Tech Univ Zvolen, Dept Chem & Chem Technol, TG Masaryka 24, Zvolen 96053, Slovakia
[2] Univ Pardubice, Inst Chem & Technol Macromol Mat, Studentska 9, Pardubice 53210, Czech Republic
[3] Tech Univ Zvolen, Dept Phytol, TG Masaryka 24, Zvolen 96053, Slovakia
来源
BIORESOURCES | 2017年 / 12卷 / 02期
关键词
Paper documents; Natural ageing; pH; Formic acid; Acetic acid; Fibre length; Holocellulose; HISTORICAL PAPER; TEARING RESISTANCE; FIBER DIMENSIONS; SULFATE PULP; CELLULOSE; DEGRADATION; STRENGTH; SPECTROSCOPY; PERMANENCE; LIGNIN;
D O I
10.15376/biores.12.2.2618-2634
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 aim of this study was to assess the changes in chemical and physical properties of selected paper documents, dating from the 18(th) century to the present date. Paper documents from the 18(th), 19(th), and 21(st) centuries had a pH ranging from slightly acidic to alkaline values, whereas paper documents from the 20(th) century were more acidic. The contents of mannose, glucose, holocellulose, and lignin were significantly correlated with the pH of the paper. High contents of both carboxylic acids (acetic and formic) and the most durable monosaccharide (glucose) were found in the oldest examined paper documents originating from the 18(th) and 19(th) centuries. The lowest percentage of brightness was found in paper documents originating from 1920 and 1923. The lowest breaking length was associated with papers originating from 1920.
引用
收藏
页码:2618 / +
页数:17
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