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diablewow

新虫 (初入文坛)

[交流] 【请教】求教关于硅酸乙酯水解做溶胶 已有1人参与

Samples were prepared from mixtures of tetraacetoxysilane and the
corresponding organically modified alkoxide RTES (R = Ph
(phenyl) and pFPh (pentafluorophenyl)) in the appropriate
ratio to obtain ormosil matrices. The maximum R/Si molar
ratios used for sample preparation were 0.9 and 0.7 for Ph and
pFPh functionalized samples respectively, as larger amounts of
organic functional substituents in the matrices resulted in the
formation of opaque films.
以上是我看的一个文献的一部分,我怎么没明白他说的啥意思呀,还是我英语比较差。。
我刚接触者方面 我看很多文献都是直接硅酸乙脂加醇再加点酸就完了呀
这个怎么还有机修饰下? 这也没说加有机溶剂呀,取代的什么?
求高手指点下这个是什么意思

[ Last edited by diablewow on 2010-11-15 at 10:08 ]
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solar散人

金虫 (正式写手)

呵呵,这个一般是做表面修饰的硅烷偶联试剂吧。一般是对氧化硅改性的。
2楼2010-11-26 14:29:05
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