Handbook of Antistatics by George Wypych, Jurgen Pionteck

By George Wypych, Jurgen Pionteck

This can be the 1st accomplished guide written near to antistatic ingredients for polymers. those are ingredients in a position to editing houses of fabrics in one of these manner they turn into antistatic, conductive, and/or EMI protective. The e-book comprises 22 chapters, every one addressing a selected point of houses and functions of antistatic brokers. the excellent research of functionality of those fabrics kinds a serious resource of knowledge for undefined, examine, academia, and legislature.

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Electronic devices, circuits, which are increasingly miniaturized, may be destroyed even by very small but localized energies caused by electrostatic discharging. However, electrostatic charging is not always distractive. Attempts have been made to use the different charging behavior for separation of mixed waste materials. Electrostatic spray painting and, nowadays, electrostatic printing are widely used. The flocking process is based on high voltage charging to control the deposition of short fibres, the flocks, onto the backing to obtain velvet-like materials.

Polyelectrolytes are mainly used for surface treatment of polymers and fibres. Inorganic antistatics are salts, metals, semiconductors, carbon black, carbon nanotubes, and other intrinsic conductive or conductive modified particles in different shapes and sizes are often used for bulk modification to provide antistatic properties or conductivity to the material. 1. 2 EXPECTATIONS FROM ANTISTATICS Additives become antistatic agents when they prevent electrostatic build-up or eliminate spark discharges by increasing the rate of charge dissipation.

Described electric circuit is used to apply voltage sufficient to produce a corona discharge, and time-to-failure is measured to compare different materials, having the same thickness, regarding their voltage endurance. 13 ELECTRICAL RESISTIVITY Electrical resistivity is the electrical resistance of a body of unit length and unit cross-sectional area or unit of weight. 4] volume resistivity cross-sectional area gauge length resistance. The unit of volume resistivity is then ohm-cm. Surface resistivity is the surface resistance multiplied by surface width and divided by the distance between measuring electrodes.

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