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Silicon Surface Tethered Polymer as Artificial Solid Electrolyte Interface

polymerization. This polymer layer acts as a stable artificial solid electrolyte interface that enables surface passivation despite large volume changes during cycling. Thin polymer layers (75 nm) improve average ... to template the particle morphology. Our approach is to surface functionalize silicon anodes for lithium ion battery applications with surface-tethered polymer brushes via surface-initiated activators

Fabrication and testing of polymer-based capacitive micromachined ultrasound transducers for medical imaging

maintain or improve upon existing sensitivity, is needed. Herein, a new fabrication process is described for polymer-based CMUTs (polyCMUTs) using the photopolymer SU-8 and Omnicoat. The first ultrasound B ... matching to the medium11. Conventional piezoelectric arrays are typically fabricated by mechanically dicing piezoelectric crystals and filling the kerfs with a polymer. Using this approach, the fabrication

Statistical polymer method: Modeling of macromolecules and aggregates with branching and crosslinking, formed in random processes

The statistical polymer method is based on the consideration of averaged structures of all possible macromolecules of the same weight. One has derived equations allowing evaluation of all additive ... International Journal of Statistical Polymer Method: Modeling of Macromolecules and Aggregates with Branching and Crosslinking, Formed in Random Processes Algebra 0 0 aDepartment of Chemical

Kinetic Studies on the Removal of Some Lanthanide Ions from Aqueous Solutions Using Amidoxime-Hydroxamic Acid Polymer

, SmCl3·6H2O, and GdCl3·6H2O from Aldrich and TbCl3·6H2O from K&K Laboratories, Inc. (Jamaica, NY). 2.2. Preparation and Characterization of Adsorbent Material Amidoxime-hydroxamic acid polymer was ... synthesized and characterized depending on a process reported by Alakhras et al. [17]. The polymer (Scheme 1) was prepared through addition of acrylonitrile and ethylacrylate by suspension polymerization

CaCO3–Polymer Nanocomposite Prepared with Supercritical CO2

A novel process for generation of a CaCO3–polymer nanocomposite with a controlled three-dimensional shape was developed. Specifically, a nanocomposite with a high CaCO3 content was produced by ... CO2 into a polymer matrix containing Ca ions. A mixture of poly(vinyl alcohol), Ca acetate, and poly(acrylic acid) was poured into a mold, the mold was placed in an autoclave, and CO2 was introduced to

Saccaharum Cilliare Fiber Reinforced Polymer Composites

reinforcement is more effective as compared to short and long fiber reinforcement. Morphological and thermal studies of these composites have also been carried out. Polymer composites; Reinforcements ... needles, Hibiscus sabdariffa etc.5-7. Suitable matrix materials for natural-fiber reinforced polymers are polymer resin systems such as thermoplastics and thermosetting. Natural fibers like flax, Hibiscus

Polymer Matrix Composites

MRITYUNJAY DODDAMANI2 The light weight and high performance of polymer matrix composites (PMCs) are attractive in many applications that can benefit from weight saving. Many advanced applications such as ... polymer matrix composites. The topic is a continuation of a set of articles published in the June issue on metal matrix composites. Together, these two topics cover a wide range of composite materials

Adhesion and surface forces in polymer tribology—A review

Polymer tribology is a fast growing area owing to increasing applications of polymers and polymer composites in industry, transportation, and many other areas of economy. Surface forces are very ... MYSHKIN1, Alexander KOVALEV2,* 1 Metal-Polymer Research Institute of Belarus National Academy of Sciences, Gomel 246050, Belarus 2 State Key Laboratory of Tribology, Tsinghua University, Beijing 100084

Polymer recycling using microbes

can degrade the plastic into small molecular constituents. Poly(ethylene terephthalate) (PET) is a robust organic polymer having a multitude of application ranging from textiles to packaging materials ... and is the major polymer employed in beverage bottle manufacture. The environmental accumulation of PET is a testament of its versatility and the lack of chemical/physical mechanisms capable of

Lightweight and flexible electrospun polymer nanofiber/metal nanoparticle hybrid membrane for high-performance electromagnetic interference shielding

reasonable mechanical strength and excellent flexibility. The prepared polymer NF/MNP hybrid membrane shows promising applications in smart portable and wearable electronics. ... has been done to study polymer matrix composites with embedded conductive fillers for EMI shielding, including a silver nanowire-polyimide hybrid10,11, MXene-polymer composites3, graphene-polymer

Sensitivity Analysis and Optimization of Surfactant-Polymer Flooding under Uncertainties

Chemical flooding is currently one of the most promising solution to increase the recovery of mature reservoirs. In Surfactant-Polymer (SP) processes, several parameters should be taken into account

Royal Academy of Sciences and Arts of Barcelona

progress of science and technology. Several years earlier, in 1717, and as a consequence of the Catalonia's stance against k ing Philip V at the beginning of the 18 - tH e r oYal ac adeMY oF scieNces a Nd ... arts o F Barcel oNa b p. 27: Façade of the r oyal academy of sciences and arts at the r ambles, Barcelona . FiG. 1: overview of Barcelona with the Fabra observatory Tcal role of the University of

Preparation of microspheric Fe(III)-ion imprinted polymer for selective solid phase extraction

In this research work, an Fe(III)-IIP was prepared using methacrylic acid as monomer, divinylbenzene as cross-linker, azobisisobutyronitrile as initiator. The ion imprinted polymer was functionalized

Efficient estimation of hydrolyzed polyacrylamide (HPAM) solution viscosity for enhanced oil recovery process by polymer flooding

Polymers applications have been progressively increased in sciences and engineering including chemistry, pharmacology science, and chemical and petroleum engineering due to their attractive ... for efficient estimation of aqueous solutions of HPAM polymer in simulation of polymer flooding into oil reservoirs. 1 Introduction Polymer flooding is one of the popular technologies for Enhanced Oil

Strength Developments and Deformation Characteristics of MMA-Modified Vinyl Ester Polymer Concrete

This study investigated the strength developments and deformation characteristics of methyl methacrylate (MMA)-modified vinyl ester polymer concrete, with MMA contents and curing temperatures as test ... decreased with a decrease in curing temperatures. The modulus of elasticity tended to decrease as MMA contents increased and curing temperatures decreased. polymer concrete; vinyl ester resin; compressive

Dispersion-Solvent Control of Ionomer Aggregation in a Polymer Electrolyte Membrane Fuel Cell

. Introduction Polymer electrolyte membrane fuel cells (PEMFCs) are promising renewable energy sources for automobiles, stationary power generators, and portable devices due to their high energy densities, zero ... performance. At the heart of a PEMFC is the membrane electrode assembly (MEA), which includes a polymer electrolyte membrane (PEM), or ionomer membrane, which is sandwiched between two anode- and cathode

Preparation of Thermoresponsive Polymer Nanogels of Oligo(Ethylene Glycol) Diacrylate-Methacrylic Acid and Their Property Characterization

Stimuli-responsive polymers have received growing attention in recent years owing to their wide applications in diverse fields. A novel stimuli-responsive polymer, based on oligo(ethylene glycol ... . Both VPTTs are strongly concentration and pH dependent, providing an easy way to tune the phase transition temperature. The polymer is characterized with regard to its composition and its morphology in

The effective complex permittivity stability in filled polymer nanocomposites studied above the glass transition temperature

) polymer filled with three concentrations of the dispersed conducting carbon black (CB) nanoparticles. The temperature dependence of the complex permittivity has been analyzedabove the glass transition ... -Cadi Ayyad University , LMCN, Marrakesh , Morocco 3 François Rabelais University, GREMAN UMR 7347-CNRS, UFR Sciences , Tours , France The temperature effecton the dielectric response of nanocomposite

The effective complex permittivity stability in filled polymer nanocomposites studied above the glass transition temperature

) polymer filled with three concentrations of the dispersed conducting carbon black (CB) nanoparticles. The temperature dependence of the complex permittivity has been analyzedabove the glass transition ... -Cadi Ayyad University , LMCN, Marrakesh , Morocco 3 François Rabelais University, GREMAN UMR 7347-CNRS, UFR Sciences , Tours , France The temperature effecton the dielectric response of nanocomposite

Failure of structural elements made of polymer supported composite materials during the multiyear natural aging

problems. Polymer building materials are used as substitutes for materials such as brick, concrete, metal, wood and glass, and in addition to traditional materials. Plastic materials are light, can be formed ... heat transfer and diffusion of moisture and do not suffer from metal corrosion or microbial attack. Polymeric materials, including thermoplastics, thermoset materials and wood-polymer composites, have