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Feng Zhou – One of the best experts on this subject based on the ideXlab platform.

  • how solid liquid Adhesive Property regulates liquid slippage on solid surfaces
    Langmuir, 2015
    Co-Authors: Yang Wu, Huiling Duan, Feng Zhou

    Abstract:

    The influence of solid-liquid Adhesive Property on liquid slippage at solid surfaces has been investigated using experiment approach on well-defined model surfaces as well as theoretical analysis. Based on a classical molecular-kinetic description for molecular and hydrodynamic slip, we propose a simple theoretical model that directly relates the liquid slip length to the liquid Adhesive force on solid surfaces, which yields an exponential decay function. Well-defined smooth surfaces with varied surface wettability/adhesion are fabricated by forming self-assembled monolayers on gold with different mole ratios of hydrophobic and hydrophilic thiols. The Adhesive force of a water droplet and the molecular slippage on these surfaces are probed by surface force apparatus and quartz crystal microbalance measurements, respectively. The experiment results are well consistent with our theoretical prediction. Our finding benefits the understanding of the underlying mechanism of liquid slippage on solid surfaces at molecular level and the rational design of microfluidics with an aim to be frictionless or highly controllable.

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  • one step modification of fabrics with bioinspired polydopamine octadecylamine nanocapsules for robust and healable self cleaning performance
    Small, 2015
    Co-Authors: Haiyuan Hu, Yi Li, Bo Yu, Feng Zhou

    Abstract:

    An in-situ polymerization to coat fabrics with polydopamine-encapsulated octadecylamine endows the fabrics with self-cleaning and self-healing abilities. The treated fabric exhibits self-healing after losing its hydrophobicity. It is durable against washing and mechanical abrasion without changing the hydrophobicity. Thanks to the versatile Adhesive Property of polydopamine, the approach is compatibile with a variety of substrates, such as fabrics, glass, sponge, paper, and polymeric materials.

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Hongbo Zeng – One of the best experts on this subject based on the ideXlab platform.

  • Polypyrrole-Doped Conductive Supramolecular Elastomer with Stretchability, Rapid Self-Healing, and Adhesive Property for Flexible Electronic Sensors
    ACS Applied Materials & Interfaces, 2019
    Co-Authors: Jingsi Chen, Thomas Thundat, Hongbo Zeng

    Abstract:

    Although recent years have witnessed intense efforts and innovations in the design of flexible conductive materials for the development of next-generation electronic devices, it remains a great challenge to integrate multifunctionalities such as stretchability, self-healing, Adhesiveness, and sensing capability into one conductive system for practical applications. In this work, for the first time, we have prepared a new electrically conductive elastomer composite that combines all these functionalities by triggering in situ polymerization of pyrrole in a supramolecular polymer matrix cross-linked by multiple hydrogen-bonding 2-ureido-4[1H]-pyrimidinone (UPy) groups. The polypyrrole (PPy) particles were uniformly dispersed and imparted to the composite desirable conductive properties, while the reversible nature of the dynamic multiple hydrogen bonds in the polymer matrix allowed excellent stretchability, fast self-healing ability, and Adhesiveness under ambient condition. The elastomer composite with the…

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  • polypyrrole doped conductive supramolecular elastomer with stretchability rapid self healing and Adhesive Property for flexible electronic sensors
    ACS Applied Materials & Interfaces, 2019
    Co-Authors: Jingsi Chen, Thomas Thundat, Hongbo Zeng

    Abstract:

    Although recent years have witnessed intense efforts and innovations in the design of flexible conductive materials for the development of next-generation electronic devices, it remains a great cha…

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Laurent Billon – One of the best experts on this subject based on the ideXlab platform.

  • hybrid core soft shell particles as Adhesive elementary building blocks for colloidal crystals
    Macromolecules, 2009
    Co-Authors: Charles Deleuze, Mariehelene Delville, V Pellerin, Christophe Derail, Laurent Billon

    Abstract:

    Hybrid materials have been developed through the synthesis of colloidal silica surrounded by elastomer polymer brushes. These core@shell materials have been achieved by the use of “nitroxide-mediated polymerization” (NMP) associated with a “grafting from” method. The living and controlled characteristics of the polymerization allow TEM observations of well-monodisperse core@shell nanohybrids. We present herein the synthetic process to create homogeneous smoothness particles surface associated with a strong Adhesive Property. The brush thickness is tuned in order to compare with molecular dynamic equations through the tailoring of the grafting density and the molecular weight. Finally, these particles were used as elementary Adhesive building blocks and self-assembled by a dip-coating process to form a monolayered material. Its diffraction under light is described on a large-scale material as well as the elastomeric polymer brushes layer influence.

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  • Hybrid core@soft shell particles as Adhesive elementary building blocks for collaidal crystals
    International Journal of Biological Macromolecules, 2009
    Co-Authors: Charles Deleuze, Mariehelene Delville, V Pellerin, Christophe Derail, Laurent Billon

    Abstract:

    Hybrid materials have been developed through the synthesis of colloidal silica surrounded by elastomer polymer brushes. These core@shell materials have been achieved by the use of “nitroxide-mediated polymerization” (NMP) associated with a “grafting from” method. The living and controlled characteristics of the polymerization allow TEM observations of well-monodisperse core@shell nanohybrids. We present herein the synthetic process to create homogeneous smoothness particles surface associated with a strong Adhesive Property. The brush thickness is tuned in order to compare with molecular dynamic equations through the tailoring of the grafting density and the molecular weight. Finally, these particles were used as elementary Adhesive building blocks and self-assembled by a dip-coating process to form a monolayered material. Its diffraction under light is described on a large-scale material as well as the elastomeric polymer brushes layer influence.

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