Papers:
pH-responsive self assemblies for “smart surface coatings”
Over the last few years, adsorption of polyelectrolytes at solid/liquid interfaces has gained in popularity due to their potential applications for drug delivery, for the preparation of nanosized materials and for the fabrication of smart [...]
New Characterisation Techniques for the Study of Nanoscale Polymeric Systems in Two- & Three-Dimensions
Activity in the development of polymer-based materials, composites and devices is more intense than ever. At the same time, techniques and methods for their characterisation have become more powerful, giving new insights into the spatial [...]
Technological prospecting on Area of Nanotechnology with emphasis in nanostructured polymers
The areas of application for nanotechnology extend to practically all industrial and service sectors. Currently there exist initiatives for investment in nanotechnology in both developed countries and those in the process of development. The present [...]
Parylene Polymers for Nanotechnology Applications
During the past several years, Parylene polymers have been considered an integral part of micro devices by many biomedical engineering researchers as devices are made of Parylene through MEMs technology. In advancing Parylenes applications further [...]
Morphology and Phase Transitions in Styrene-Butadiene-Styrene Triblock Copolymer Grafted with Polyhedral Oligomeric Silsesquioxanes
Two symmetric triblock copolymers of polystyrene-butadiene-polystyrene (SBS) with different styrene content were grafted with varying amounts of polyhedral oligomeric silsesquioxane (POSS) molecules with either isobutyl or phenyl moiety. The POSS octamers, R’R7Si8O12 were designed to [...]
Nanophase Separated Anionic Amphiphilic Model Polymer Conetworks Based on Methacrylic acid
Kali G., Georgiou T.K., Iván B., Patrickios C.S., Loizou E., Thomann Y., Tiller J., Hungaryan Academy of Sciences, HU
Two series of model amphiphilic polymer conetworks were synthesized by group transfer polymerization (GTP). The first one was composed of the hydrophobic methyl methacrylate (MMA) and the hydrophilic methacrylic acid (MAA), and the second one [...]
Dispersing Nanoparticles – The Key to Application
Inorganic nanoparticles are used in many different branches: e.g. display technology, consumer goods, coatings, plastics, cosmetics, and paper industry use nanoparticles as major components or functional additives. In most applications, the particles are needed in [...]
Nitrocellulose-Stabilized Silver Nanoparticles as Low Conversion Temperature Precursors for Inkjet-Printed Electronic Circuits
Nguyen B.T., Nguyen M.T., Gautrot J.E., Nguyen B.T., Nguyen M.T., Zhu X.X., Université de Montréal, CA
Liquid-based inkjet printing is considered as a constructive (rather than destructuve) low-cost technique for printed circuit boards fabrication. A convenient way of depositing silver films and lines using inkjet technology is to generate silver nanoparticles [...]
Evaluation of Nanostructured Polymeric Coatings for Corrosion Protection
The effect of the addition of multi-walled carbon nanotubes (MWCNT) to epoxy and vinyl chloride/vinyl acetate copolymer coatings on their ability to protect the substrates was studied. Coatings were formulated from these resins with and [...]
Application of Robotic Combinatorial Methods for the Synthesis and Screening of Hybrid Organic-Inorganic Marine Coatings
Christianson D.A., Chisholm B.J., Stafslien S.J., Gallagher-Lein C., Bahr J.A., North Dakota State University, US
A combinatorial robotic workflow has been developed and implemented at North Dakota State University for the synthesis and screening of marine coatings. Several traditional tools and methods for characterizing polymers and coatings have been customized [...]
High Output Coating R&D, Accelerating the Process from Discovery to Commercial Output
The use of automated High Output Technologies has expanded from its origins in Biotech and CombiChem into laboratories of many other areas in the chemical industry. New fields like Polymer- and Material Sciences, which strongly [...]
Nano-Tecture: Developing Smart Skins in Architecture
This paper surveys a brief history of architectural skin materials and presents an ongoing research project about the development of the materials and fabrication concepts for a fundamentally new class of architectural composite. This type [...]
Innovative PMMA/Silica nanocomposites for optical and biomedical applications
The main goal of this research is the preparation of new PMMA/Silica nanocomposites with improved mechanical properties and highly specific bio-activity. PMMA based nanocomposites reinforced with modified silica nanoparticles have been prepared and characterized. Transparency [...]
Effects of Nano-Scale Core-Shell Rubber on the Volume Shrinkage for Unsaturated Polyester
Huang Y-J, Guo T-J, Yang Y-H, Chen M-C, Tsai M-C, Andriani Y., National Taiwan University of Science and Technology, TW
The effects of nano-scale core-shell rubbers (CSR) as low-profile additives (LPA) on the volume shrinkage characteristics and internal pigmentability of unsaturated polyester resins (UP) during the cure at 110oC were investigated. These CSRs were synthesized [...]
Thermal and Electrical Properties of Polyamide/Multi-Walled Carbon Nanotubes Nanocomposites
Logakis E., Pandis Ch., Kanapitsas A., Peoglos V., Pissis P., Pionteck J., Pötschke P., Micusík M., Omastová M., National Technical University of Athens (NTUA), GR
In the present work we investigate the influence of multi-walled carbon nanotubes (MWCNTs) on the thermal and electrical properties of a polyamide 6 (PA6) matrix by differential scanning calorimetry (DSC) and dielectric relaxation spectroscopy (DRS) [...]
A latex-based concept for obtaining carbon nanotube-polymer nanocomposites
Grossiord N., Meuldijk J., Loos J., van der Schoot P., van Laake L.C., Regev O., Hart J., van der Schoot P., van Laake L.C., Miltner H.E., van der Schoot P., van Laake L.C., Koning C.E., Technical University of Eindhoven, NL
By using a latex-based technology, it is possible to efficiently disperse both single and multi wall carbon nanotubes (SWNTs and MWNTs) within most of the polymers that are produced by emulsion polymerization, or that can [...]
Conducting Polymer Nanocomposites: The Role of the Electronic Fingerprint of Carbon Nanotubes
In this presentation, we report that dispersion and functionalization of single-walled carbon nanotubes (SWNTs) with different dispersing methods and dispersing agents result different SWNTs with different electronic structures and surface chemistries. In-situ polymerization of the [...]
The Effect of POSS Compatibility on the Morphology of Thiol-ene Polymer Nanocomposites
The physical properties of thiol-ene/POSS nanocomposites are measured and used to indicate the morphological changes of the materials as a function of POSS concentrations. Vinyl POSS monomers are modified with various organic pendants using an [...]
Properties of Paraffin Wax/Montmorillonite Nanocomposite Coatings
Results are reviewed from a study aimed at enhancing the performance of paraffin wax based materials for barrier coating applications. Nanocomposites prepared by ultrasonic processing from paraffin wax matrices and reinforced with organically modified montmorillonite [...]
Thermal conductivity enhancement of carbon nanotube composites
Simple models for the thermal conductivity enhancements of carbon nanotube (CNT) composites are presented as analytical functions of volume fraction, anisotropic thermal conductivities, aspect ratio, non-straightness, and interfacial thermal resistance of the CNTs. The model [...]
Synthesis, Characterization and Electrical Conductivity of Metal/Metal ion Incorporated Fullerene Nanowhiskers
It is presumed that the polymerization of fullerene molecules as nanowhiskers or nanotubes will result enhancement in the conductivity of the fullerene molecule. Our earlier studies on conductivity of fullerene nanowhiskers shows, a whisker of [...]
TEM and Raman Spectroscopy Analyses of Fullerene Nanowhiskers and Nanotubes
Miyazawa K., Ringor C., Nakamura K., Nakamura S., Tachibana M., Mashino T., Nakamura K., Nakamura S., National Institute for Materials Science, JP
Structure of the nanowhiskers and nanotubes composed of C60 molecules and C60 derivative molecules are examined by use of Raman spectroscopy and transmission electron microscopy (TEM). The C60 nanotubes (C60NTs) dried in air exhibited a [...]
Synthesis of fullerene nanotubes by liquid-liquid interfacial precipitation method in the system of C60-pyridine and isopropyl alcohol
Nanotubes composed of C60 molecules were prepared at ambient pressure and temperature by modified liquid-liquid interfacial precipitation method using pyridine for the solvent of C60 powder and isopropyl alcohol (IPA). Various parameters, such as ratio [...]
Morphology Studies And Potential Applications Of Poly(N,N-Dimethylacrylamide)-l-Polyisobutylene Amphiphilic Polymer Conetworks
Mezey P., Domján A., Iván B., Thomann R., Mülhaupt R., Chemical Research Center of the Hungarian Academy of Sciences, HU
Poly(N,N-dimethylacrylamide)-l-polyisobutylene (PDMAAm-l-PIB) amphiphilic conetworks were synthesized from two incompatible polymers, i.e. hydrophilic PDMAAm and strongly hydrophobic PIB in a wide range of composition (38-80 m/m % PIB). DSC and SAXS measurement results show that a [...]
Novel Supramolecules Based on Architecturally Variant alpha-Cyclodextrin Polyrotaxanes and Nanorod-Like alpha-Cyclodextrin Self-Assembly
Self-assembly (SA-ICs) of architecturally variant alpha-cyclodextrin (alpha-CD) inclusion complexes (ICs) formed by host-guest reaction with four polymeric guest having different molecular architectures (star-shaped, hyperbranched, diblocked, and linear polymer) and nanorod-like self-assembly (SA-CD) of alpha-CD could [...]
Photogeneration Kinetics of Ag Nanoparticles in Light Sensitive Polymer Films
Ag nanoparticles were generated within light-sensitive films composed of poly(ether ether)ketone, SPEEK and poly(vinyl alcohol), PVA. The benzophenone (BP) groups of SPEEK act as sensitizers; excited states of these functions abstract H-atoms from PVA forming [...]
Nanoparticles Prepared by Self-assembly of Chitosan and Poly-gamma-glutamic Acid
The technique of self-assembly of polyelectrolytes opens many new opportunities to achieve idea models as delivery system. The oppositely charged biopolymers can self-assemble by the attractive interaction between the functional groups. The electrostatic interactions between [...]
Synthesis and Characterization of Novel Polyimide/TiO2 Nanocomposite System for the Application of Organic Electronics
Organic/inorganic nanocomposites have become an effective source of advanced materials as they usually exhibit unique properties that traditional composites and conventional materials do not have. They combine the advantages of the inorganic material (rigidity, high [...]
Ferritin-based Hybrid Nanofibers with Magnetic Properties
There has been intense interest in polymeric nanocomposites using nanoparticles, nanowires, and nanotubes, because nanocomposites possess improved physical properties versus the unmodified polymer. In particular, a mixture of polymers and nanoparticles can form flexible nanocomposites [...]
Synthesis and Characterization of Recycled Polycarbonate/Organo-montmorillonite Nanocomposites
This study aims to synthesize and investigate the electrical, chemical and thermo-mechanical properties of recycled polycarbonate/organo-montmorillonite nanocomposites. Polycarbonate from post-consumer wastes was recovered by mechanical abrasion process and chemical stripping. Formulations of 1-10% organo-montmorillonite (o-mmt) [...]
Nanostructured Polymeric Composites for High Performance Applications
Nanostructured polymeric systems can mitigate some of the severe limitations of conventional polymeric composites. In the present research, nanocomposites of epoxy resins have been synthesized and evaluated. Organically modified layered silicate (OLS) particles and multiwalled [...]
Strain-induced Crystallization and Mechanical Properties of Carbon Nanotubes Reinforced Natural Rubber
Natural rubber is an elastomeric material and its ability to crystallize at large deformations results in an extraordinary toughness. However, natural rubber needs the reinforcing materials to improve the mechanical strength, thermal stability and abrasion [...]
Thermal and Electrical Characterization of Polypropylene/Carbon Nanotubes Nanocomposites
Pandis Ch., Logakis E., Chorianopoulos M., Spanoudaki A., Kyritsis A., Peoglos V., Pissis P., Micusík M., Krupa I., Omastová M., Pionteck J., Pötschke P., National Technical University of Athens (NTUA), GR
The influence of multi-walled carbon nanotube (MWCNT) content on electrical/dielectric and thermal properties of CNTs-reinforced polypropylene (PP) nanocomposites is studied. We focus on the investigation of electrical and dielectric properties in relation to percolation: ac [...]
Novel Manufacturing Technology of Polymeric Nanocomposites Using Supercritical Fluid Process
Jung H-T, Hong Y., Lee H., Lee S., Lee H., Lee S., Park M., Kim J., Lim S., Korea Institute of Science & Technology, KP
The increasing interest during the last few decades in decreasing the environmental effects of the release of organic compounds and aqueous waste has motivated the development of polymeric materials in supercritical fluids(SCF). However, the advantages [...]
Synthesis of Nanoparticles by Crosslinking Copolymerization
Cross-linked polymers formed by free radical polymerization in homogeneous solution or in emulsion are used in many current and emerging applications, including dental materials, protective and decorative coatings, contact lenses, super absorbent materials and hydrogels [...]
Surface modification of Cp-Titanium by Plasma polymerization of acrylic acid
Park H.J., Park S-J, Cho D.L., Park H.J., Park S-J, Ko Y.M., College of Dentistry, 2nd stage of brain korea 21, Chosun University, KR
Cp titanium sheet (15 mm x 15 mm) was used to two different surface treatments, including, etching with an HCl/H2SO4 solution and non-treated bare Ti sheet. To improve the adhesive strength of AA films, we [...]
Controlled Surfaces and Novel Polymers for Personal Care: Self-Assembly of Polymers and Surface Modification
Cosmetica develops and applies nanotechnology and advanced polymer chemistry to create novel products for the cosmetic industry. We achieve this goal by controlling the spontaneous self-assembly of polymers or colorants at surfaces. Current research projects [...]
Efects of silver nanoparticle on the physical properties of syndiotactic polypropylene
The effects of silver nanoparticle on the physical properties of syndiotactic polypropylene (sPP) were investigated in terms of rheological responses and crystallization behavior under shear. Silver nanoparticle played as the nucleating agent of sPP by [...]
Effects of interface on the physical properties of nanoparticle-filled composites
The effects of interface affinity on the rheological responses of nanoparticle suspended polymer solutions were investigated. The polarity on rheological properties of zinc oxide (ZnO) nanoparticle filled-polymer solution was investigated for polyacrylonitrile (PAN) and polystyrene [...]
A Line Force Model to Measure the Strength of Polydimethylsiloxane (PDMS)-to-PDMS Bonding in Blister Tests
Bonding is an important technique in microelectronics and Microelectromechanical Systems (MEMS). Especially, bonding two pieces of polydimethylsiloxane (PDMS) to make micro devices was widely used in micro actuators and BioMEMS. The PDMS bonding, however, lacked [...]
Journal: TechConnect Briefs
Volume: 2, Technical Proceedings of the 2007 NSTI Nanotechnology Conference and Trade Show, Volume 2
Published: May 20, 2007
Industry sectors: Advanced Materials & Manufacturing | Personal & Home Care, Food & Agriculture
Topics: Advanced Materials for Engineering Applications, Personal & Home Care, Food & Agriculture
ISBN: 1-4200-6183-6