Zinc Oxide 99.7% of the usage history

Zinc oxide (ZnO), commonly known as zinc white, a zinc oxide. Insoluble in water, soluble in acid and alkali. Zinc oxide is a commonly used chemical additives, is widely used in plastics, silicate products, synthetic rubber, lubricants, paints, ointments, adhesives, food, batteries, flame retardants and other products production. Zinc oxide bandgap and a large exciton binding energy, high transparency, excellent performance often Wen Faguang in the semiconductor field of liquid crystal display, thin film transistors, light emitting diodes and other products are applied. Furthermore, zinc oxide fine particles as a nano-material in the relevant fields have begun to play a role.
Using History
Early humans learned to use it as a paint or zinc oxide topical medicine, but the history of mankind discovered zinc oxide has been difficult to trace.
In ancient Indian medicine book "Chakra The collection" describes a zinc oxide after being identified as a drug, used to treat eye diseases and injuries. 1st century AD Greek physician Dioscorides Clerides also mentioned to do with zinc oxide ointment. Avicenna completed in 1025, "Hui prescription" will be described as zinc oxide to treat various skin disorders, including skin cancer drug of choice. Nowadays, people are no longer using zinc oxide cure skin cancer, it is still widely used to treat other common skin disorders.
Romans as early as 200 BC, they learn how to use copper and zinc ore containing zinc oxide reaction produced brass. Zinc oxide zinc in the shaft furnace turned into steam, rolled into the flue react. Dioscorides Clerides also been introduced to this.
12th century onwards, the Indians know the zinc and zinc, and began using zinc smelting original way. Zinc smelting technology was introduced to China in the 17th century. 1743, Bristol, England, established the first European zinc smelting factory.
Another major use of zinc oxide is used as a coating, known as zinc white. In 1834, zinc white first became watercolor paints, but zinc white insoluble oil. But soon the problem of zinc oxide produced by the new process solutions. In 1845, in Paris, Leclerc began mass production of zinc white oil paint, to 1850, zinc white became popular throughout Europe. High purity zinc white, so that in the 19th century, some artists in painting painted zinc white as a background, however, after a hundred years later, these paintings are showing cracks.
In the latter half of the 20th century, zinc oxide is used in the rubber industry. In the 1970s, the second largest use of zinc oxide is copy paper additives, but in the 21st century, zinc oxide additive approach for copy paper has been eliminated.

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