نتایج جستجو برای: polymer microstructure

تعداد نتایج: 132259  

2016
B. Figliuzzi D. Jeulin M. Faessel F. Willot M. Koishi N. Kowatari

Volume fraction and spatial repartition of fillers impact the physical properties of rubber. Extended percolating networks of nano-sized fillers significantly modify the macroscopic mechanical properties of rubbers. Random models that describe the multiscale microstructure of rubber and efficient Fourier-based numerical algorithms are combined to predict the material’s mechanical properties. Fr...

2007
Arun K Kota Bani H Cipriano Dan Powell Srinivasa R Raghavan Hugh A Bruck

For the first time, an interpenetrating phase polymer nanocomposite formed by the percolation of multiwalled carbon nanotubes (MWCNTs) in polystyrene (PS) has been quantitatively characterized through electrical conductivity measurements and melt rheology. Both sets of measurements, in conjunction with scanning electron microscopy (SEM) images, indicate the presence of a continuous phase of per...

Journal: :Research and application of materials science 2022

The flexible superhydrophobic thermoplastic polyurethane(TPU) porous material was prepared by heat-induced phase separation method with two cooling steps. influence of the preparation process on microstructure discussed in depth. microstructure, hydrophobicity and specific surface area TPU materials were analyzed detail. wettability, selectivity, saturated adsorption capacity rate, mechanical p...

2012
Luis Solorio Alexander M. Olear Jesse I. Hamilton Ravi B. Patel Ashlei C. Beiswenger Jon E. Wallace Haoyan Zhou Agata A. Exner

In situ forming implants (ISFIs) have shown promise in drug delivery applications due to their simple manufacturing and minimally invasive administration. Precise, reproducible control of drug release from ISFIs is essential to their successful clinical application. This study investigated the effect of varying the molar ratio of different molecular weight (Mw) poly(D,L-lactic-co-glycolic acid)...

Journal: :Journal of physics 2021

Abstract The non-equilibrium process of transfer the momentum polymer media with an evolving nonequilibrium relaxation microstructure is considered. For basic conditions deformation, regularities for structural and dynamic components stress tensor conjugate forces are obtained analyzed, which consistent experiment.

2016
Muhammad Nadeem Munir Ahmad Muhammad Saeed Akhtar Amiruddin Shaari Saira Riaz Shahzad Naseem Misbah Masood M. A. Saeed

The current study emphasizes the synthesis of iron oxide nanoparticles (IONPs) and impact of hydrophilic polymer polyvinyl alcohol (PVA) coating concentration as well as anticancer drug doxorubicin (DOX) loading on saturation magnetization for target drug delivery applications. Iron oxide nanoparticles particles were synthesized by a reformed version of the co-precipitation method. The coating ...

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