Showing 1 - 10 of 96
Investigation of the electrorheological (ER) effect of silicone–oil suspensions of silica particles coated with … polyaniline (PANI) base in a DC electric field revealed that breaking stress, as a criterion of the intensity of the ER phenomenon …
Persistent link: https://www.econbiz.de/10011060625
Electrorheological and dielectric properties of suspensions of polyphenylenediamine isomers in silicone oil have been … diferences in the low-shear-rate relative apparent viscosity of the systems were explained as a result of different particle …
Persistent link: https://www.econbiz.de/10011059958
The original experiment of the bromine doping of polyacetylene performed by Chiang and Shirakawa is described. This simple, seminal experiment impacted physics and chemistry through the discovery of metallic conducting synthetic organic polymers and the verification and demonstration of the...
Persistent link: https://www.econbiz.de/10010588544
The role played by the solvation water molecules on the macroscopically observed sol–gel transition in lecithin/cyclohexane/water reverse micelles is investigated. The self-diffusion properties of both the surfactant and the water molecules entrapped in the micellar cores are investigated by...
Persistent link: https://www.econbiz.de/10010871929
Two methods of modification of poly[(glycidyl methacrylate)-co-(ethylene dimethacrylate)] microspheres with urea were examined in this electrorheological (ER) study. First, the urea functional groups were introduced by chemical modification of the starting copolymer. A significant increase in...
Persistent link: https://www.econbiz.de/10011060130
Chemically A-MWCNT (activated multiwalled carbon nanotube)/PANI (polyaniline) composites produced via ultrasonic …
Persistent link: https://www.econbiz.de/10011117563
Polyaniline suspensions in 1,2,4-trichlorobenzene produced solid composites after freezing. Changes in electric … froze. Conductivity both in the liquid and in the solid state was higher when polyaniline particles in the suspensions were … concentration. Below the percolation threshold, the conductivity of frozen composites was lower than that of original suspensions …
Persistent link: https://www.econbiz.de/10011057932
approximation. These theories formulate an effective permittivity and permeability (ε^eff and μ^eff) to predict the expected … mixture (the correlation length of percolation theory). It can be shown that any physically realizable material's permittivity … (i.e. a complex permittivity which is causal and analytic in the upper-half complex frequency plane) can be represented …
Persistent link: https://www.econbiz.de/10011061537
A simple two-component Debye-Lorentz model is presented for the frequency dependence of the dielectric permittivity ϵ …
Persistent link: https://www.econbiz.de/10011061684
The electrochemical reduction of CO2 using Cu2O nanoparticle decorated polyaniline matrix (PANI/Cu2O) in 0.1M … nanoparticles deposited onto the polyaniline matrix, which confirmed the presence of well-defined Cu (I) species in the film. The …
Persistent link: https://www.econbiz.de/10011040782