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首页> 外文期刊>Journal of Applied Polymer Science >Preparation and characterization of imidazolyl ionicliquid-basedshear thickening dispersion system
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Preparation and characterization of imidazolyl ionicliquid-basedshear thickening dispersion system

机译：基于咪唑基离子脂质加厚分散体系的制备与表征

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摘要

Shear thickening liquid (STF) is a new nonNewtonian fluid widely used in industrial production. In this paper, a novel shear thickening and dispersing system, namely poly methyl methacrylate (PMMA)/1-butyl-3-methylimidazole hexa-fluorophosphate ([BMIM]PF6), was prepared using ultrasonic with PMMA as the dispersing phase and [BMIM]PF(6)as the dispersing medium. The stability, thixotropic, reversibility, rheology, and viscoelasticity of the dispersion system was studied, respectively. The dispersed system has good stability. The dispersed system shows high response sensitivity to shear rate, as well as good reversibility to shear thickening. Compared with traditional silicon dioxide/polyethylene glycol dispersion system, PMMA/[BMIM]PF(6)dispersion system displays a significantly enhanced shear thickening effect. Nonionic surfactant triton X-100 of 4 wt% can greatly improve PMMA/[BMIM]PF(6)dispersion system's shear thickening behavior. This paper provides a new idea for the further development of protective materials by using STF.
机译：剪切增稠液（STF）是一种广泛应用于工业生产的新型非牛顿流体。本文以聚甲基丙烯酸甲酯（PMMA）/1-丁基-3-甲基咪唑六氟磷酸盐（BMIM]PF6）为分散相，以[BMIM]PF（6）为分散介质，采用超声波法制备了一种新型剪切增稠分散体系。分别研究了分散体系的稳定性、触变性、可逆性、流变性和粘弹性。分散体系具有良好的稳定性。分散体系对剪切速率具有较高的响应灵敏度，对剪切增稠具有良好的可逆性。与传统的二氧化硅/聚乙二醇分散体系相比，PMMA/[BMIM]PF（6）分散体系的剪切增稠效果显著增强。4 wt%的非离子表面活性剂triton X-100可以显著改善PMMA/[BMIM]PF（6）分散体系的剪切增稠行为。本文为利用STF进一步开发防护材料提供了新思路。

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