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Flame Retardant Polyurethane Corrosion Protective Coating

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Metal and its structures corrosion is a natural process. The process started and accelerated in the presence of electrolytes [1, 2]. Thus, it's highly encouraged to stop this electrolyte passage. One of the ways to resist the passage of electrolytes is by making a barrier. The most popular method of such a barrier is an organic coating which mainly comes from polymer resin along with pigments, and additives. Different organic coatings are being used to make a barrier that can ultimately protect the metals and their structures. Epoxy, polyurethane (PU), and acrylate coatings are widely being used for this purpose.

Product Number: 51322-17696-SG
Author: Mohammad Mizanur Rahman
Publication Date: 2022
Industries: Corrosion Monitoring and Control , Coatings and Linings , Coatings
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$20.00
$20.00

External corrosion of metal structures is very common. Flame incidents are also common in the industry. Different types of organic coatings are used to delay the corrosion process as well as to act as a flame-retardant material around the world. It is challenging to use one coating for both purposes. To fulfill this demand a series of water borne polyurethane (PU) coating materials were synthesized in this study. Melamine (M) and modified melamine (MM) were used to synthesize the PU dispersion. The coating nature was changed from hydrophilic to hydrophobic by using M and MM. The coating adhesive strength was also increased with the addition of M and MM. A significant level of improvement was also recorded in corrosion protection and flame-retardant properties. The coating protective performance was higher for MM compared to those for M with fixed compositions.

External corrosion of metal structures is very common. Flame incidents are also common in the industry. Different types of organic coatings are used to delay the corrosion process as well as to act as a flame-retardant material around the world. It is challenging to use one coating for both purposes. To fulfill this demand a series of water borne polyurethane (PU) coating materials were synthesized in this study. Melamine (M) and modified melamine (MM) were used to synthesize the PU dispersion. The coating nature was changed from hydrophilic to hydrophobic by using M and MM. The coating adhesive strength was also increased with the addition of M and MM. A significant level of improvement was also recorded in corrosion protection and flame-retardant properties. The coating protective performance was higher for MM compared to those for M with fixed compositions.

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Product Number: 51322-17586-SG
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