Broad,application,prospects,na business, insurance Broad application prospects of nanomaterials
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Nano-electrostatic shieldingmaterials used in household appliances and other electrical equipments have agood static shielding role.If it can not be static shielding, theelectrical signal will suffer serious interference from external static. Forexample, the body close to the TV which have bad shielding effect, staticelectricity from the human body will produce serious interference to televisionimages. In order to improve the performance of electrostatic shielding paint, Japanhas successfully manufactured nano-coatings with good electrostatic shielding, theapplied nanoparticles have Fe2O3, TiO2, Cr2O3, ZnO. Those having semiconductorcharacteristics nano-oxide particles at room temperature with higherconductivity characteristics than the conventional oxide, so that can play the roleof electrostatic shielding, while the color of the oxide nanoparticles isdifferent, TiO2, SiO2 nanoparticles are white, Cr2O3 is green, Fe2O3 is brown,so that it can by the composite to control electrostatic shielding paint colors.This nano electrostatic shielding paint not only has a good electrostaticshielding characteristics, but also overcome the carbon black electrostaticshielding paint only a single color monotonous synthetic clothes and chemicalfibre carpet because of the friction generated by the electrostatic effect inthe dark is likely to be observed, also easy to absorb dust, bring a lot ofinconvenience to the user. From a security point of view to improve the qualityof chemical fiber products to solve static problems is the most important,metal nanoparticles in order to solve this problem provides a new way, adding asmall amount of metal nanoparticles in the chemical fiber products will greatlyreduce the electrostatic effect. Germanyand Japanare prepared the responding products. Add nanoparticles in chemical fiberproducts and textiles also have the role of removing the taste and sterilizing.Added Ag nanoparticles to the socks can remove foot odor, medical gauze put intothe nano Ag particles have the disinfection and sterilization effect.Conductive paste is an important raw material inthe electronics industry, conductive coatings and conductive adhesiveapplications is very broad. Germany has already applied a patent, i.e. use nanoAg instead micron Ag to made conductive plastic can save 50% of Ag powder, usethis conductive adhesive weld metal and ceramic, the coating does not need toothick, and the coating surface is smooth, much welcomed by users. In recentyears, people have begun to try to use nanoparticles to make conductive paste, insulationpaste and dielectric paste, are playing a role in the microelectronics industry.The melting point of the ultra fine particles is usually less than the coarsegrain objects. For example, according to metal powder supplier, the melting point of silver is about 9000,and ultrafine silver powders melting point can reduce to 1000. Therefore use silverpowder made of conductive paste can be sintered at alow temperature, the substrate is not necessarily to use high temperatureresistant ceramic material, and even can be used plastics and other lowtemperature materials.Nanoparticles are also the effective accelerant. Forexample, add about 1wt% superfine aluminum or sickle particles in solid fuelpropellant rocket launchers, every per gram of the fuels combustion heat isincreased by 1 times; ultrafine boron powder, highchromate plating powder can use as explosives accelerant; the nanoscale iron powdercan also be used as solid fuel accelerant. Some nanomaterials have the functionto stop burning, can be used as flame retardants added into flammable buildingmaterials to improve the fire resistance of construction materials.The initial application of nanoparticles in industryshows its superiority. Researchers added nano- A12 to the rubber to improve theabrasion resistance and dielectric properties of the rubber. Japan was addedA12O3 nanoparticles to the ordinary glass, and significantly improves thebrittleness of the glass. Chinese researchers added the A12O3 nanoparticles whilepreparing Al alloy, results in the crystalline grain significantly refine, strengthand toughness are improved. Inorganic nanoparticles have good fluidity,utilizing this characteristic can be prepared a solid lubricant.Source:http://www.mhcmp.com
Broad,application,prospects,na