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spoonyvampir木虫 (小有名气)
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[求助]
SBA-15的complementary pores
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文献看到讲SBA-15 complementary pores，这个complementary pore不怎么理解什么意思，按照文献理解就是指SBA-15不规律分布的微孔和介孔，然后又说这种孔providing various degrees of interconnectivity between adjacent large pore channels. 对这个不怎么了解，想请教大家这个是什么意思。谢谢。 原文是这么一段话As a silica framework for the construc- tion of the composite structure with polymers, SBA-15-type mesoporous silica was prepared through the nonionic assembly pathway under acidic conditions.14,15 The choice of the SBA- 15-type silica is based on the following reason. Recent studies have clearly demonstrated that the large uniform ordered main channels of SBA-15 are actually accompanied by disordered micropore/small mesopores (referred to as “complementary pores”) in the pore walls, providing various degrees of inter- connectivity between adjacent large pore channels.15-22 Methods to tailor such complementary pores have been reported in detail.15,21,22 It is reasonable that such complementary pores would play a crucial role in the stabilization of the polymer layer deposited onto the siliceous mesopore walls. The polymer chains, interpenetrating with the silica framework through the complementary pores, would form a physically inseparable robust polymer network integrated with the silica framework, increasing significantly the stability of the entire polymeric system. |
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