1995 Fiscal Year Final Research Report Summary
Study on Conservation for Lacquer and Varnish
| Project/Area Number |
05044012
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| Research Category |
Grant-in-Aid for international Scientific Research
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| Allocation Type | Single-year Grants |
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| Section | Joint Research |
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| Research Institution | Tokyo National Research Institute of Cultural Properties |
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Principal Investigator |
MIURA Sadatoshi Tokyo National Research Institute of Cultural Properties Director, 保存科学部, 部長 (50099925)
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| Co-Investigator(Kenkyū-buntansha) |
バーメスター A. ババリア州立デルナー研究所, 科学部, 部長
ENDERS S. State Office for conservation, State of Hessen, 調査官
キューレンタール M. ババリア州立文化財保存研究所, 修復部, 部長
SAWADO Masaaki Nara National Cultural Properties Research Institute, 埋蔵文化財センター, 部長 (20000490)
KURAKU Yoshimichi Nara National Cultural Properties Research Institute, 埋蔵文化財センター, センター長 (00000472)
KATO Hiroshi Tokyo National Museum, 室長 (70161114)
KAWANOBE Wataru Tokyo National Research Institute of Cultural Properties, 修復技術部, 主任研究官 (00169749)
MATSUMOTO Shuji Tokyo National Research Institute of Cultural Properties, 修復技術部, 室長 (80099960)
NAKASATO Toshikatsu Tokyo National Research Institute of Cultural Properties, 修復技術部, 室長 (20000458)
SANO Chie Tokyo National Research Institute of Cultural Properties, 保存科学部, 主任研究官 (40215885)
NISHIKAWA Kyotaro Tokyo National Research Institute of Cultural Properties, 所長 (70000304)
KUHLENTHAL M. Bavarian State Conservation Office
BURMESTER A. Doerner Institute, State of Bavarian
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| Project Period (FY) |
1993 – 1995
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| Keywords | Urushi / Lacquer / History of Technique / Conservation Science / Intervention / Analysis |
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| Research Abstract |
The study was conducted in order to know a proper way for conservation of historical objects coated by natural resins such as Urusgi, dammar.Urushi objects are popular material for historical objects in Asia and in Europe also.From about 14th century many Urushi objects have been imported from Japan, China and South-East Asia where different kinds of urushi trees are grown up.Imported urushi objects were certainly imitated with another natural resins in Europe for mass production.Then "urushi" objects include many kinds of natural resin materials.Careful study is needed for their conservation as a result.
Research was done on urushi objects in Germany.It showed that the objects were categorized into three groups : (1) Japanese urushi objects, (2)Chinese urushi objects and (3) imitated urushi objects.Ryukyu urushi objects may be located between (1) and (2).Traditional urushi techniques were studied in Japan : Wajima and Okinawa (Ryukyu) in order to study their difference.
It is difficult to analyze cured urushi because it is not dissolved by any solvents.Pyrolysis Gas Chromatography was used for analysis and some urushi samples showed typical pyrograms similar to authentic urushi samples.This Pyrolysis Gas Chromatography method has an advantage because it needs a little amount of sample, short analyzing time and no pre-treatment.
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