نتایج جستجو برای: responsive polymer

تعداد نتایج: 151027  

Journal: :Micro and Nano Systems Letters 2023

Abstract Soft robotics enables various applications in certain environments where conventional rigid cannot deliver the same performance due to their form factor and stiffness. Animals use soft external organs carry out activities response challenging natural efficiently. The objective of robots is provide biologically inspired abilities enable adaptable flexible interactions with complex objec...

Journal: :Polymer Chemistry 2021

We report a shish-kebab-like supramolecular polymer (SKSP) and its light-responsive self-assembly into nanofibers.

2016
Fátima García Maarten M. J. Smulders

This Highlight presents an overview of the rapidly growing field of dynamic covalent polymers. This class of polymers combines intrinsic reversibility with the robustness of covalent bonds, thus enabling formation of mechanically stable, polymer-based materials that are responsive to external stimuli. It will be discussed how the inherent dynamic nature of the dynamic covalent bonds on the mole...

2012
Fiore Pasquale Nicoletta Daniela Cupelli Patrizia Formoso Giovanni De Filpo Valentina Colella Annarosa Gugliuzza

In recent years, stimuli responsive materials have gained significant attention in membrane separation processes due to their ability to change specific properties in response to small external stimuli, such as light, pH, temperature, ionic strength, pressure, magnetic field, antigen, chemical composition, and so on. In this review, we briefly report recent progresses in light-driven materials ...

Journal: :The Journal of chemical physics 2015
Jiuzhou Tang Xinghua Zhang Dadong Yan

Responsive behavior of polymer brush to the external compression is one of the most important characters for its application. For the flexible polymer brush, in the case of low grafting density, which is widely studied by the Gaussian chain model based theory, the compression leads to a uniform deformation of the chain. However, in the case of high grafting density, the brush becomes anisotropi...

2014
Stephanie Pace Roshan B Vasani Wei Zhao Sébastien Perrier Nicolas H Voelcker

Chronic wounds do not heal within 3 months, and during the lengthy healing process, the wound is invariably exposed to bacteria, which can colonize the wound bed and form biofilms. This alters the wound metabolism and brings about a change of pH. In this work, porous silicon photonic films were coated with the pH-responsive polymer poly(2-diethylaminoethyl acrylate). We demonstrated that the pH...

2016
Shang Hao Piao Seung Hyuk Kwon Hyoung Jin Choi

This short Feature Article reviews electric stimuli-responsive polymer/clay nanocomposites with respect to their fabrication, physical characteristics and electrorheological (ER) behaviors under applied electric fields when dispersed in oil. Their structural characteristics, morphological features and thermal degradation behavior were examined by X-ray diffraction pattern, scanning electron mic...

2017
Alexander S. Groombridge Aniello Palma Richard M. Parker Chris Abell Oren A. Scherman

The self-assembly of a stimuli-responsive aqueous supramolecular hyperbranched polymer from small molecules is reported. This system is composed of ditopic and tritopic guest-functionalised molecules that are able to form heteroternary supramolecular complexes with the macrocyclic host cucurbit[8]uril (CB[8]). We demonstrate that the supramolecular hyperbranched polymer formed is responsive to ...

Journal: :Chemical communications 2011
Zanru Guo Yujun Feng Yu Wang Jiyu Wang Yufeng Wu Yongmin Zhang

An amidine-based polymer was prepared by combination of RAFT polymerization and "click" reaction, and the polymer undergoes a hydrophobic-hydrophilic transition upon the stimulus of CO(2).

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