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What’s the Usage of Zinc Oxide ?

  • Author:Kathy
  • Source:www.oceanchinachem.com
  • Release on :2016-06-16


 

     

 

Zinc Oxide is a kind of zinc oxide. Poorly soluble in water, soluble in acid and alkali. Zno is a kind of common chemical additives, widely used in plastic, Portland products, synthetic rubber, lubricating oil, paint coating, ointment, adhesives, food, battery, flame retardants, and other products. Zinc oxide of the band gap and the exciton binding energy is larger, high transparency, has excellent luminescent properties under normal temperature, liquid crystal displays, in the field of semiconductor thin film transistor, light-emitting diodes, and other products are used. In addition, the micro particles of zinc oxide as a kind of nano material are also beginning to play a role in the related field.

 

Zinc Oxide is a kind of important and widely used physical sunscreen, the principle of shielding ultraviolet light absorption and scattering. Zinc oxide belongs to the n-type semiconductor, electronic acceptable price take energy from the ultraviolet transition occurs, the principle of which is they absorb ultraviolet light. And the function of the scattering ultraviolet and material particle size, when the size is far smaller than the wavelength of ultraviolet ray, particles can effect on the ultraviolet ray scattering in all directions, so as to reduce the intensity of ultraviolet light direction. In addition, if the raw material of the particle size is too big, the skin will appear unnatural bleaching phenomenon. So nanoscale particles and usually has a significant advantage in comparison to size.

 

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