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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. ÒÔÉÏÊÇÎÒ¿´µÄÒ»¸öÎÄÏ×µÄÒ»²¿·Ö£¬ÎÒÔõôûÃ÷°×Ëû˵µÄɶÒâ˼ѽ£¬»¹ÊÇÎÒÓ¢Óï±È½Ï²î¡£¡£ ÎÒ¸Õ½Ó´¥Õß·½Ãæ ÎÒ¿´ºÜ¶àÎÄÏ×¶¼ÊÇÖ±½Ó¹èËáÒÒÖ¬¼Ó´¼ÔÙ¼ÓµãËá¾ÍÍêÁËѽ Õâ¸öÔõô»¹ÓлúÐÞÊÎÏ£¿ ÕâҲû˵¼ÓÓлúÈܼÁѽ£¬È¡´úµÄʲô? Çó¸ßÊÖÖ¸µãÏÂÕâ¸öÊÇʲôÒâ˼ [ Last edited by diablewow on 2010-11-15 at 10:08 ] |
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