Publications by authors named "Jing-Yu Si"

Article Synopsis
  • Polyimide (PI) aerogels are lightweight materials known for their low density and strong thermal stability, but they need surface modifications to enhance oil/water separation due to their amphiphilic nature.
  • Incorporating two-dimensional MXenes as nanofillers strengthens these aerogels, allowing for the creation of robust and hydrophobic PI/MXene structures through freeze-drying and thermal processing.
  • The resulting PI/MXene aerogels demonstrate impressive properties, including excellent compressive performance, high oil absorption (18 to 58 times their weight), superelasticity after multiple cycles, and the ability to effectively separate oils from water, while maintaining thermal stability and fire safety.
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Fabricating high-performance MXene-based polymer nanocomposites is a huge challenge because of the poor dispersion and interfacial interaction of MXene nanosheets in the polymer matrix. To address the issue, MXene nanosheets were successfully exfoliated and subsequently modified by long-chain cationic agents with different chain lengths, i.e.

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A novel three-dimensional (3D) epoxy/graphene nanosheet/hydroxylated boron nitride (EP/GNS/BNOH) hybrid aerogel was successfully fabricated in this study. This was uniquely achieved by constructing a well-defined and interconnected 3D network architecture. The manufacturing process of EP/GNS/BNOH involved a simple one-pot hydrothermal strategy, followed by the treatment of freeze-drying and high-temperature curing.

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High-performance poly(1,4-butylene terephthalate) (PBT) nanocomposites have been developed via the consideration of phosphorus-containing agents and amino-carbon nanotube (A-CNT). One-pot functionalization method has been adopted to prepare functionalized CNTs via the reaction between A-CNT and different oxidation state phosphorus-containing agents, including chlorodiphenylphosphine (DPP-Cl), diphenylphosphinic chloride (DPP(O)-Cl), and diphenyl phosphoryl chloride (DPP(O₃)-Cl). These functionalized CNTs, DPP(O)-A-CNTs ( = 0, 1, 3), were, respectively, mixed with PBT to obtain the CNT-based polymer nanocomposites through a melt blending method.

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