细菌纤维素加固古代糟朽丝织品及光老化特征研究

来源 :东亚文化遗产保护学会第二次学术研讨会 | 被引量 : 0次 | 上传用户：lxg888

【摘要】

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【作者】

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吴顺清李梅英方北松童华

【机构】

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荆州文物保护中心武汉大学化学与分子科学学院;武汉大学科技考古研究中心

【出处】

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东亚文化遗产保护学会第二次学术研讨会

【发表日期】

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2011年2期

【关键词】

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文物修复糟朽丝织品细菌纤维素光老化特征抗拉强度

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细菌纤维素作为可降解的加固材料,替代常用合成聚合物加固材料,用来加固糟朽丝织品,以便于古代糟朽丝织品的保存和展示.用细菌纤维素加固修复古代丝织品样品和人工老化样品(紫外线加臭氧老化样品)后,将加固样品再进行人工老化处理,研究丝纤维中细菌纤维素的降解.用SEM、ATR-FTIR、XRD、TG、抗拉试验检测分析细菌纤维素的加固效果,以及老化前后丝纤维表面细菌纤维素的状况.结果表明经细菌纤维素加固后,样品的结晶度、热稳定性有了很大改善,抗拉强度增加了213％,细菌纤维素的降解对丝纤维无损伤.此研究表明细菌纤维素是一种新型加固材料,可用于糟朽丝织品修复和其他类似文物的加固保护.

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细菌纤维素加固古代糟朽丝织品及光老化特征研究

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