Coagulation Strength of Some Adhesives for Conservation of Cultural Heritage

Material type: 図書

Author: 中村, 吉伸ほか

Publisher: 関西大学国際文化財・文化研究センター

Publication date: 2018-03-20

Material Format: Digital

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Note (General)：: The coagulation strengths of some commercial alkoxy silanes for the conservation of stone cultural assets were compared using OH100, OM25 and OM50 (Wa...

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Material Type: 図書
Title: Coagulation Strength of Some Adhesives for Conservation of Cultural Heritage
Author/Editor: 中村, 吉伸
鶴田, 浩章
伊藤, 淳志
吹田, 浩
堤, 亮太
岡田, 駿
中村, 充
藤井, 秀司
Author Heading: 中村, 吉伸
鶴田, 浩章
伊藤, 淳志
吹田, 浩
堤, 亮太
岡田, 駿
中村, 充
藤井, 秀司
Publication, Distribution, etc.: 関西大学国際文化財・文化研究センター
Publication Date: 2018-03-20
Publication Date (W3CDTF): 2018-03-20
Alternative Title: 文化遺産の保存に用いる接着剤の凝固強度
Periodical title: 国際的な文化遺産の保存・活用に関する総合的研究 = Comprehensive global studies for conservation and utilization of cultural heritage
Pages: 101-111
ISBN (Periodical Title): 9784946421600
Text Language Code: eng
Subject Heading: エジプト
サッカラ
文化財
修復
Alkoxy silane
Epoxy resin
Thermogravimetric analysis
Pulse NMR
Conservation
関西大学
Kansai University
Target Audience: 一般
Note (General): The coagulation strengths of some commercial alkoxy silanes for the conservation of stone cultural assets were compared using OH100, OM25 and OM50 (Wacker Chemie AG., Germany) and TOT (Tanaka Geological Corp., Japan). Compression tests of solidified model sand were conducted to measure the coagulation strength. The fracture forces for OM50 and OM25 were higher than those for OH100 and TOT, which indicate higher coagulation strength for OM50 and OM25. Thermogravimetric analysis revealed that all the alkoxy silanes examined were a mixture of monomeric alkoxy silane and its oligomer, where the order of oligomer content was OM50 > OM25 > OH100 > TOT. From ¹H pulse nuclear magnetic resonance analysis indicated that the order of molecular mobility in the solidified alkoxy silanes was TOT > OH100 > OM25 > OM50. The degree of crosslinking in the solidified alkoxy silane thus increased with the oligomer content. For this reason, the fracture force determined from compression tests, i.e., the coagulation strength, was higher for OM25 and OM50 than OH100 and TOT. The addition of a small amount of epoxy resin to OM50 was effective to increase the coagulation strength due to a lower crosslinking density caused by insufficient curing of the epoxy resin. The introduction of ductility to the adhesive layer was thus effective to develop strength.
文部科学省私立大学戦略的研究基盤形成支援事業　関西大学国際文化財・文化研究センター　最終成果報告書
DOI: 10.32286/0002000448
Format (IMT): application/pdf
Source: KU-0040-20180320-13.pdf （fulltext）
https://kansai-u.repo.nii.ac.jp/record/2000448/files/KU-0040-20180320-13.pdf
Access Restrictions: インターネット公開
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 関西大学 : 関西大学学術リポジトリ