نتایج جستجو برای: polymer grafting

تعداد نتایج: 121639  

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...

2017
Christopher A. Grabowski Scott P. Fillery Hilmar Koerner Maxim Tchoul Lawrence Drummy Michael F. Durstock Richard A. Vaia Christopher W. Beier Richard L. Brutchey

Polymer nanocomposites are a promising concept to improve energy storage density of capacitors, but realizing their hypothetical gains has proved challenging. The introduction of high permittivity fillers often leads to reduction in breakdown strength due to field exclusion, which intensifies the applied electric field within the polymer matrix near nanoparticle interfaces. This has prompted re...

Journal: :IOP conference series 2022

The use of radiation-induced grafting (RIG) polymerization techniques is an appealing way to create and develop polymer. method copolymerization preparation was evaluated in this paper based on the types their prospective applications. Based preparation, optimum yield monomer polymer backbone described. approach used summarise review go through polymer-related papers from science direct online ...

Journal: :Journal of Chemical Physics 2021

Polymer brushes attract vapors that are good solvents for polymers. This is useful in sensing and other technologies rely on concentrating optimal performance. It was recently shown vapor sorption can be enhanced further by incorporating two incompatible types of polymers A B the brushes: additional adsorbs at high-energy polymer–polymer interface these binary brushes. In this article, we prese...

2015
Tilman A. Grünewald Andrea Lassenberger Peter D. J. van Oostrum Harald Rennhofer Ronald Zirbs Barbara Capone Iris Vonderhaid Heinz Amenitsch Helga C. Lichtenegger Erik Reimhult

The promising applications of core-shell nanoparticles in the biological and medical field have been well investigated in recent years. One remaining challenge is the characterization of the structure of the hydrated polymer shell. Here we use small-angle X-ray scattering (SAXS) to investigate iron oxide core-poly(ethylene glycol) brush shell nanoparticles with extremely high polymer grafting d...

Journal: :Lab on a chip 2005
Helen M Simms Christopher M Brotherton Brian T Good Robert H Davis Kristi S Anseth Christopher N Bowman

Novel fabrication techniques and polymer systems are being explored to enable mass production of low cost microfluidic devices. In this contribution we discuss a new fabrication scheme for making microfluidic devices containing porous polymer components in situ. Contact lithography, a living radical photopolymer (LRPP) system and salt leaching were used to fabricate multilayer microfluidic devi...

Journal: :Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films 2016

Journal: :Small 2009
Michael Hirtz Marion K Brinks Saskia Miele Armido Studer Harald Fuchs Lifeng Chi

Structured polymer surfaces have gained increased attention in various research fields during the past few years. By structuring of polymer surfaces, in particular of polymer brushes, functional surfaces with defined properties, for example for the study of cell adhesion and of cell alignment, have been prepared. Moreover, patterning of polymer brushes allows the alteration and control of their...

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