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Phase Separation and Acid Etching of Sodium Borosilicate Glasses Studied by NMR

文献类型：期刊论文

作者Ren Hailan1; Yue Yong1; Ye Chaohui1; Tan Guohua2; Yuan Qihua2
刊名ACTA PHYSICO-CHIMICA SINICA
出版日期1997
卷号13期号:6页码:525-531
关键词Sodium borosilicate Phase separation Etching NMR
英文摘要Multinuclear solid-state NMR, including Si-29, Na-23, B-11 MAS and Si-29 CP/MAS NMR was employed to study the structure change of Na2O-B2O3-SiO2 glasses after 24 hour heat-treatment of phase separation at different temperatures. Then the glasses were etched with acid. The results show that here is a turning point temperature. Being confined by dynamical factors, phase separation did not reach equilibrium below this temperature. The degree of phase separation was reduced when the temperature was decreased. When the temperature was above this turning temperature, the phase separation could reach equilibrium. Being controlled by thermodynamics, the degree of miscibility was enhanced when the temperature was increased. The phase separation was the best when the heat-treatment of phase separation was proceeded at this turning temperature. The NMR results obtained from different resonant nuclei were consistent with one another.
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Physical
研究领域[WOS]Chemistry
收录类别SCI
语种英语
WOS记录号WOS:000207601600009
公开日期2015-12-01
源URL[http://ir.wipm.ac.cn/handle/112942/8261]  
专题武汉物理与数学研究所_2011年以前论文发表（包括2011年）
作者单位1.Acad Sinica, Wuhan Inst Phys, Lab Nucl Magnet Resonance & Atom & Mol Phys, Wuhan 430071, Peoples R China
2.Wuhan Univ Technol, Adv Mat Inst, Wuhan 430070, Peoples R China
推荐引用方式
GB/T 7714		 Ren Hailan,Yue Yong,Ye Chaohui,et al. Phase Separation and Acid Etching of Sodium Borosilicate Glasses Studied by NMR[J]. ACTA PHYSICO-CHIMICA SINICA,1997,13(6):525-531.
APA Ren Hailan,Yue Yong,Ye Chaohui,Tan Guohua,&Yuan Qihua.(1997).Phase Separation and Acid Etching of Sodium Borosilicate Glasses Studied by NMR.ACTA PHYSICO-CHIMICA SINICA,13(6),525-531.
MLA Ren Hailan,et al."Phase Separation and Acid Etching of Sodium Borosilicate Glasses Studied by NMR".ACTA PHYSICO-CHIMICA SINICA 13.6(1997):525-531.

入库方式： OAI收割

来源：武汉物理与数学研究所

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