Influence of antistatic agent encapsulated into functionalized mesoporous silica on antistatic properties of polystyrene

Influence of antistatic agent encapsulated into functionalized mesoporous silica on antistatic properties of polystyrene
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功能化介孔二氧化硅封装抗静电剂对聚苯乙烯抗静电性能的影响

DOI:
10.1080/00914037.2017.1376201
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发表时间:
2018-08
期刊:
International Journal of Polymeric Materials
影响因子:
--
通讯作者:
Tang Ping
Tang Ping
中科院分区:
其他
文献类型:
--
作者:
Si Jingjing;Tang Ping

文献摘要

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摘要将HDC-193等小分子表面活性剂包裹到介孔二氧化硅SBA-15和3-氨丙基三乙氧基硅烷修饰的SBA-15分子筛中,研制了新型的表面活性剂控释体系。研究了HDC-193分子筛在不同结构和直径的介孔二氧化硅中的扩散过程。大孔和有机修饰都促进了SM在介孔二氧化硅上的吸附,从而提高了SM的负载量。分子动力学模拟和耐洗性实验结果表明,在聚苯乙烯共混物中,包裹在MSBA-15中的HDC-193的寿命是HDC-193/聚苯乙烯的5倍。这为设计永久性抗静电剂提供了一种有效的策略。图形摘要
ABSTRACT Small molecular surfactant (SMS) such as HDC-193 was encapsulated into mesoporous silica SBA-15 and 3-aminopropyltriethoxysilane-modified SBA-15 (mSBA-5) to develop new controlled release SMS system. The diffusion process of HDC-193 from mesoporous silica with different structures and diameters was investigated. Both situations of large pore and organic modification promoted the adsorption and thus a larger load of SMS in mesoporous silica. The results of molecular dynamics simulations and washing durability experiments showed that the lifetime of HDC-193 encapsulated into mSBA-15 in polystyrene blends is five times longer than that of HDC-193/polystyrene. This suggests an efficient strategy for designing permanent antistatic agents. GRAPHICAL ABSTRACT
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