نتایج جستجو برای: polymer grafting
تعداد نتایج: 121639 فیلتر نتایج به سال:
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...
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...
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 ...
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...
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...
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...
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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