Search results
Results From The WOW.Com Content Network
Carbon black particle size is between 10 and 100 nm, while the surface particle size is between 20 and 1,500 m 2 /g. Generally speaking, small carbon black particles with a high surface area are darker, have higher viscosity and lower wettability, are harder to disperse, retain greater conductivity and absorb UV radiation well. [1] [2] [3] [7] [8]
Carbon black (with subtypes acetylene black, channel black, furnace black, lamp black and thermal black) is a material produced by the incomplete combustion of coal tar, vegetable matter, or petroleum products, including fuel oil, fluid catalytic cracking tar, and ethylene cracking in a limited supply of air.
The conductive carbon black is characterized by small particle size, particularly large specific surface area, and particularly good electrical conductivity, and it can function as a liquid absorption and liquid retention in the battery.
Electrical conductivity of water samples is used as an indicator of how salt-free, ion-free, or impurity-free the sample is; the purer the water, the lower the conductivity (the higher the resistivity). Conductivity measurements in water are often reported as specific conductance, relative to the conductivity of pure water at 25 °C.
Welfare economics is a branch of economics that uses microeconomic techniques to evaluate economic well-being, especially relative to competitive general equilibrium, with a focus on economic efficiency and income distribution. [13] In general usage, including by economists outside the above context, welfare refers to a form of transfer payment ...
These applications utilize permanent antistatic agents or conductive additives such as carbon black, conductive fibers, and nanomaterials. [3] [4] An antistatic agent for the treatment for coatings may also involve an ionic liquid or a solution of a salt in an ionic liquid. [5] Indium tin oxide can be used as transparent antistatic coating of ...
A heat sink (aluminum) with its heat pipes (copper) and fan (black) A heat sink (also commonly spelled heatsink, [ 1 ] ) is a passive heat exchanger that transfers the heat generated by an electronic or a mechanical device to a fluid medium, often air or a liquid coolant, where it is dissipated away from the device, thereby allowing regulation ...
Photoconductivity is an optical and electrical phenomenon in which a material becomes more electrically conductive due to the absorption of electromagnetic radiation such as visible light, ultraviolet light, infrared light, or gamma radiation.