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VTES对C_3S水化过程影响的机理研究
作者:戴伟文 童捷 费伦 陆平 
单位:复旦大学分析测试中心  复旦大学分析测试中心  复旦大学分析测试中心  同济大学材料科学与工程系 
关键词:C_3S  ~(29)Si核磁共振  水化  聚合 
分类号:
出版年,卷(期):页码:1990,18(6):547-550
DOI:
摘要:
研究了硅烷偶联剂CH_2=CHSi(OEt)_3即VTES对水泥矿物C_3S水化过程的影响。在76d水化龄期内,运用~(29)SiMAs-NMR和XRD方法追踪测量了纯C_3S和加有VTES的C_3S的水比过程,发现VTES有效地参与了C_3S的水化,并对其水化过程中宏观和微观结构的变化有一定的影响。
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In this paper, the effect of vinyltriethoxysilane[CH_2=CHSi(OEt)_3, VTES], a silane coupling agent, on the hydration process of C_3S is studied.The hydration processes of both pure C_3S and C_3S added with VTES were measured by the methods of (?)SiNMR and XRD in 76d. It is found by the authors that VTES participates in the hydration of C_3S and affect the macrostructure and microstructure of the reacted product duriag the hydration process.
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参考文献:
[1] 陆平,“水泥石显微结构的本征性质与改性研究”,博士学位论文,同济大学(1985) 。 [2] 戴伟文,童瑜,费伦,应用化学,7[3] (1990) 76。 [3] E.Lippmaa, M.Magi, M.Tarmak, et al., Cement and Concrete Res.,12[5] (1982) 597. [4] E.Lippmaa, M.Maji, A.Samoson, et al., J.Amer.Chem.Soc., 102[15] (1980) 4889. [5] M.Magi, E.Lippmaa, A.Samoson, et al., J.Phys.Chem., 88[8] (1984) 1518. [6] F.Henry, P.Baillenl, and B.Courtaultt 8th Intern.Congr.on the Chem.of Cement, RiO de Janeiro, Brasil,Vol.Ⅲ(1986) 57. [7] Edwin P. Plueddemann, Silane Coupling Agent, Plemum Press, New York and London (1982) 49-110.
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