Author:
Inaba, Masamitsu; Sugisita, Ryuitiro
Title Article/Chapter:
"Washi no rekka shoru ni yoru Jugodo to kessyokado no henka"
Title Translated English:
"Changes in the degree of polymerization and crystallinity of Washi Japanese paper"
Title of Source:
Kobunkazai no kagaku
Title Source Translated:
Scientific papers on Japanese antiques and art crafts
AATA Number:
28-498
Issue Number:
34
Date of Publication:
December 25, 1989
Page Numbers:
20-24
Collation:
3 figs., 1 table
ISSN:
0368-6272
Language Text:
Japanese
Language Summaries:
English
References:
11 refs.
CODEN:
KNKAAF
Subject Keywords English:
Paper, acidity;Paper, ageing accelerated;Paper, deterioration; Paper, oriental;Paper, test -- ICCROM
Subject Keywords French:
Papier, acidité;Papier, vieillissement acceleré;Papier, altération;Papier, oriental;Papier, essai;
Subject Keywords English 2:
polymerization;crystallinity;washi;aging;treatment;Japanes e paper; deterioration -- CAL
Subject Keywords English 3:
Washi;polymerization;crystallinity;Japanese paper;paper; deterioration; oxidation;permanence -- AATA
Subject Geog Name English:
East Asia, Japan
Subject Geog Name French:
Asia Orientale, Japon
Subject Label:
Paper; books; and library and archival materials;
Abstract:
Deterioration of dosa-sized washi was studied for changes in degree of polymerisation (DP), crystallinity and oxidation. DP was calculated from the results of the viscosity measurements of nitrocelluloses, derived from washi samples. The extent of the decrease in cellulose DP of the washi samples was in agreement with their acidity. The DP of the cellulose in the washi fibre, which is higher than that of wood cellulose, may contribute to the permancence of washi. It has been reported that partial recrystallisation of the amorphous region in fibres during ageing decreases the flexibility of paper. By the measurement of X-ray diffraction, kozo, mitsumata and gampi papers showed resistance to recrystallization during the ageing treatment. It may also be surmised that this contributes to the long-term strength resistance of washi. From the measurements of IR spectra, the extent of oxidation reactions in washi seemed to be small. Ageing was at 80 C. And 80% RH for 12 weeks.
Originating Institution:
AATA
Location of Document:
CCI=ICC;ICCROM;MCI
CCI Shelf:
AATA 28-498
ICCROM Shelf:
Per. Japon 1
MCI Accession Number:
23226
Record Type:
Abstract
Literature Type:
Serial
Bibliographic Level:
Analytic
Old BCIN Number:
164383
BCIN Number:
107679
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