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The poor chemical affinity between calcite and the silica molecules formed after hydrolysis and condensation of alkoxysilanes and the tendency to crack during shrinkage and drying due to the gel brittleness have been responsible for several studies with the objective of modifying and improving alkoxysilane performance.

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RXMCDM: ¶àлӦÖú£¡ 2014-02-12 00:32:57
xfgzju(RXMCDM´ú·¢): ½ð±Ò+5, ¶àлӦÖú£¡ 2014-03-15 22:34:01
Several studies with the objective of modifying and improving alkoxysilane performance have proved that two factors have impact on the final performance: the poor chemical affinity between calcite and the silica molecules that is formed after hydrolysis and condensation of alkoxysilanes and the tendency to crack during shrinkage and drying due to the gel brittleness.
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RXMCDM: ½ð±Ò+2, ¶àлӦÖú£¡ 2014-02-12 10:01:23
xfgzju(RXMCDM´ú·¢): ½ð±Ò+10, ¶àлӦÖú£¡ 2014-03-15 22:33:44
(¸Ðл½±ÉÍ)

Cracking once blamed on shrinkage, drying, and gel brittleness of alkoxysilanes is, according to several more recent (performance) studies, caused by weakness of calcite-silica bonds formed during the hydrolysis and condensation of alkoxysilanes

ËùÓÐÑо¿¶¼Ö¼ÔÚÌá¸ß»ò¸ÄÉÆÐÔÄÜ, ²»Ðè "with the objective of modifying and improving performance" ÖØ¸´  ÖµµÃд "recent" »ò "more recent" ±íʾÄãÒ»Ö±¹Ø×¢¿ÆÑ§ÐÂÖª

shrinkage, drying, and gel brittleness ½ÔΪ´ó¹æÄ£,ºê¹ÛÐÔÏÖÏó (macroscopic phenomena),Ô¤¼ÆÊÇÎÞ·¨Á¿»¯Ñ§¼üÇ¿¶ÈʱµÄºÃÍÆÀí (ËùÒÔ˵ÊÇ "once blamed on" ¹ÖÀÏÌì²»¹ÖÈËÅàÖ²¾§ÌåÄÜÁ¦ÓÐÏÞ)

ÖØ¸´Ìá "of alkoxysilanes" Ò»ÔòÇ¿µ÷,¶þÔòÌáÐѶÁÕß
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