Shuyue Wei, Yan Zhang, Xinyue Zhang, Yutao Sang, Zhihong Nie
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Copolymer-tethered nanoparticles as compatibilizers of immiscible PS/PMMA blends
Enhancing the compatibility of immiscible polymer blends is crucial to achieving optimized performance for polymer materials. This work presents a comprehensive investigation into the effect of copolymer-tethered nanoparticles (NPs) on the compatibilization of immiscible polystyrene/polymethyl methacrylate (PS/PMMA) blends. The morphology, rheological behavior, and mechanical properties of the blends were analyzed to compare the compatibilization effects of NPs tethered with block, random, and graft copolymers. Our findings indicate that block copolymer-tethered NPs exhibited superior compatibilization efficiency in contrast to random and graft copolymer-tethered NPs. Moreover, by achieving an optimized balance in selective molecular entanglement, the incorporation of 3 wt% block copolymer-tethered NPs with extended PS and PMMA blocks demonstrated the most efficient compatibilization, decreasing the size of dispersed phases from 6.42 ± 9.66 µm to 1.25 ± 0.73 µm while boosting the tensile strength of blends by 78%.
Graphical Abstract
This work presents a comprehensive investigation into the effect of copolymer-tethered nanoparticles on the compatibilization of immiscible polystyrene/polymethyl methacrylate (PS/PMMA) blends.
期刊介绍：
Colloid and Polymer Science - a leading international journal of longstanding tradition - is devoted to colloid and polymer science and its interdisciplinary interactions. As such, it responds to a demand which has lost none of its actuality as revealed in the trends of contemporary materials science.
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