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How does the high temperature paint protect the substrate? The basic principle of anti-corrosion of high temperature paint
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How does the high temperature paint protect the substrate? The basic principle of anti-corrosion of high temperature paint

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  • Time of issue:2021-10-09
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(Summary description)To put it plainly, high-temperature resistant paints are paints that can withstand high-temperature air oxidation and corrosion by other substances.

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How does the high temperature paint protect the substrate? The basic principle of anti-corrosion of high temperature paint

(Summary description)To put it plainly, high-temperature resistant paints are paints that can withstand high-temperature air oxidation and corrosion by other substances.

  • Categories:Company News
  • Author:
  • Origin:
  • Time of issue:2021-10-09
  • Views:0
Information

To put it plainly, high-temperature resistant paints are paints that can withstand high-temperature air oxidation and corrosion by other substances. They are divided into silicone-based high-temperature resistant paints and inorganic silicon high-temperature resistant paints. At this stage, more products are put in industrial production. High temperature resistant paint with organic silicon material. The characteristics of high temperature resistant paint are closely related to resin. The temperature resistance of silicone material resin is much higher than that of other types of resins. Therefore, this resin is the main component in the production of high-temperature coatings. How does high-temperature resistant paint maintain the board in the high-temperature natural environment?


The basic principle of anti-corrosion of high temperature resistant paint:
In addition to resins, organic solvents, modifiers, fillers, etc., heat-resistant coatings also contain glass powder or alumina powder, which is an important raw material for high-temperature safety protection. In the natural environment below 600°C, silicone material resin is used as a protective film to prevent corrosion of the board. When the temperature rises again and exceeds 400°C, the silicone material resin can no longer hold the higher temperature. Show the anti-corrosion effect, then at this time, the glass powder or alumina powder has reached the melting temperature, replacing the original silicone material resin, and slowly producing a new protective film, which can withstand higher temperatures and avoid air oxidation and rusting of stainless steel plates. .


Heat-resistant coatings are produced by thermal polymerization under high-temperature natural environments to produce three-dimensional porous structure demulsification, and chemical cross-linking is completed by the addition and polymerization reaction of the unsaturated aliphatic functional groups in the resin by fully automatic air oxidation. In the whole process of demulsification, the evaporation of the suspending agent also causes the polymer particles to be extruded and formed to agglomerate. Eventually, the agglomeration of the particles becomes the cohesion of the molecular structure to produce a continuous coating for anticorrosion. actual effect.

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