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    磷酸铝结合剂改性绿松石的结构特征

    陈全莉 袁心强 陈敬中 周金花

    陈全莉, 袁心强, 陈敬中, 周金花, 2010. 磷酸铝结合剂改性绿松石的结构特征. 地球科学, 35(6): 1023-1028. doi: 10.3799/dqkx.2010.115
    引用本文: 陈全莉, 袁心强, 陈敬中, 周金花, 2010. 磷酸铝结合剂改性绿松石的结构特征. 地球科学, 35(6): 1023-1028. doi: 10.3799/dqkx.2010.115
    CHEN Quan-li, YUAN Xin-qiang, CHEN Jing-zhong, ZHOU Jin-hua, 2010. Structural Characteristics of Turquoise Filled with Aluminum Phosphate Adhesive. Earth Science, 35(6): 1023-1028. doi: 10.3799/dqkx.2010.115
    Citation: CHEN Quan-li, YUAN Xin-qiang, CHEN Jing-zhong, ZHOU Jin-hua, 2010. Structural Characteristics of Turquoise Filled with Aluminum Phosphate Adhesive. Earth Science, 35(6): 1023-1028. doi: 10.3799/dqkx.2010.115

    磷酸铝结合剂改性绿松石的结构特征

    doi: 10.3799/dqkx.2010.115
    基金项目: 

    中央高校基本科研业务费专项资金资助项目 CUGW090302

    详细信息
      作者简介:

      陈全莉(1982-),女,博士,宝石学专业.E-mail: chenquanli_0302@163.com

    • 中图分类号: P578.92

    Structural Characteristics of Turquoise Filled with Aluminum Phosphate Adhesive

    • 摘要: 疏松绿松石经磷酸铝结合剂浸胶充填处理后,宝石学参数、力学和工艺性质均得到明显改善,与天然绿松石相仿.为查明这类改性绿松石的结构和探讨磷酸铝无机结合剂对绿松石的改善机理,采用环境扫描显微镜(ESEM)、差热分析(TG-DSC)、红外吸收光谱(IR)和X射线粉晶衍射分析方法(XRD),对此类浸胶充填处理后的绿松石结构、物相及热性质等特征进行了研究.结果显示充填入的磷酸铝结合剂呈凝胶状分布在绿松石微孔隙间,处理后绿松石的分子结构和矿物组构与处理前一致,但产生了一定程度的非晶质化,与磷酸铝结合剂的填充作用有关,即磷酸铝结合剂在固化过程中生成氢,结合形成无机网络高分子结构;处理后绿松石的热反应温度较处理前普遍有所降低,主要是由于添加入的磷酸铝结合剂具有较低的吸热反应温度所致.

       

    • 图  1  绿松石处理前后的SEM图

      Fig.  1.  The SEM images of the turquoises before and after treatment

      图  2  处理前后绿松石的红外吸收光谱对比

      Fig.  2.  The IR spectra of the turquoises before and after treatment

      图  3  绿松石处理前后的X射线粉晶衍射

      Fig.  3.  The XRD patterns of turquoises N-1, N-2 and T-1, T-2

      图  4  磷酸铝结合剂的X射线粉晶衍射图

      Fig.  4.  The XRD patterns of aluminum phosphate adhesive

      图  5  充填处理前后绿松石的差热失重分析曲线

      Fig.  5.  Different thermal analysis of the turquoises before and after treatment

      图  6  处理后绿松石N-2不同温度段的XRD分析图谱

      Fig.  6.  The XRD patterns of treated turquoise N-2 at different tempratures

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    出版历程
    • 收稿日期:  2009-11-28
    • 刊出日期:  2010-11-01

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