| 典型环氧类粘结材料老化过程的探索性研究 |
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| 引用本文： | 王思嘉,方世强,张秉坚.典型环氧类粘结材料老化过程的探索性研究[J].文物保护与考古科学,2017,29(2):15-25. |
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| 作者姓名： | 王思嘉 方世强 张秉坚 |
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| 作者单位： | 浙江大学文物与博物馆学系,浙江杭州 310028,浙江大学化学系,浙江杭州 310027,浙江大学文物与博物馆学系,浙江杭州 310028;浙江大学化学系,浙江杭州 310027 |
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| 基金项目： | 国家重点基础研究发展计划(973计划)资助(2012CB720902),国家文物局创新联盟课题资助(文博函[2012]878号) |
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| 摘 要： | 环氧树脂类粘结材料目前已成为文物保护工作中常用的粘结材料。但是,在一些应用案例中经常发现环氧树脂类粘结材料有变色、脆化、剥落等老化现象。为了了解环氧类粘结材料的老化规律,摸清材料成分、配方和环境因素的影响,以通用双酚A型环氧树脂为主剂与各种典型固化剂、稀释剂、偶联剂等配制成黏结材料,模拟自然界极端环境条件,通过反复的破坏循环实验,探讨典型环氧类粘结材料的老化过程和机理。
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| 关 键 词： | 环氧树脂 老化 材料失效 过程 机理 |
| 收稿时间： | 2015/12/2 0:00:00 |
| 修稿时间： | 2016/7/27 0:00:00 |
Exploratory study on aging process of epoxy bonding material |
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| WANG Siji,FANG Shiqiang and ZHANG Bingjian.Exploratory study on aging process of epoxy bonding material[J].Sciences of Conservation and Archaeology,2017,29(2):15-25. |
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| Authors: | WANG Siji FANG Shiqiang and ZHANG Bingjian |
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| Institution: | Department of Cultural Relics and Museums, Zhejiang University, Hangzhou 310028, China,Department of Chemistry, Zhejiang University, Hangzhou 310027,China and Department of Cultural Relics and Museums, Zhejiang University, Hangzhou 310028, China;Department of Chemistry, Zhejiang University, Hangzhou 310027,China |
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| Abstract: | Epoxy resins are among the most commonly used bonding materials to be used in the field of national cultural relics protection. However, people have often found that the epoxy resins have some problems once aged:discoloration, embrittlement and peeling. In order to understand the aging mechanism of epoxy, to determine the influence of material composition, and to determine the optimal formula and environmental factors, a series of experiments were done. A generic epoxy resin as the main agent was taken and mixed with other components such as hardener and diluents and then made into a bonding material. Then the bonding material samples were exposed to environmental conditions that simulate extreme natural conditions. The aging process and mechanisms of the typical epoxy resin bonding materials deduced from repeated, cyclic destructive experiments are discussed. |
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| Keywords: | Epoxy resin Aging Material failure Process Mechanism |
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