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Application of tetramethylguanidine as additive for high temperature resistant and anti-corrosion coatings

In the chemical, electric power, petroleum, steel and other industries, equipment and structures are often exposed to extreme environmental conditions, including high temperatures and corrosive media and mechanical wear. In order to protect these facilities and extend their service life, high temperature resistant anti-corrosion coatings have become an indispensable means of protection. Tetramethylguanidine (TMG), as a multifunctional organic compound, has received widespread attention in recent years for its unique role in improving coating performance.

Basic properties of tetramethylguanidine

Tetramethylguanidine, chemical formula C5H13N3, CAS number 80-70-6, is a strongly alkaline organic compound. It has good thermal stability, can maintain its chemical properties in high temperature environments, and is not easy to decompose. In addition, tetramethylguanidine also has excellent anti-corrosion properties, which makes it show great potential in the field of coating additives.

The mechanism of action as a coating additive

When tetramethylguanidine is added to high temperature resistant anti-corrosion coatings, it mainly works in the following ways:

  1. Enhance the thermal stability of the coating: The high thermal stability of tetramethylguanidine enables it to maintain the integrity of the molecular structure in high temperature environments and prevent the coating from decomposing at high temperatures, thus Maintain coating integrity and protective function.
  2. Improve the corrosion resistance of the coating: The strong alkalinity of tetramethylguanidine can neutralize the acidic corrosive medium, form a protective film, prevent the corrosive medium from direct contact with the substrate, and greatly reduce corrosion. rate.
  3. Promote coating curing: Tetramethylguanidine, as a catalyst, can accelerate the cross-linking reaction of the resin in the coating, allowing the coating to solidify quickly at a lower temperature and shortening the construction cycle.
  4. Improve coating adhesion: Through chemical interaction with the substrate surface, tetramethylguanidine can enhance the adhesion between the coating and the substrate and improve the overall protective performance of the coating. .

Application cases and advantages

In practical applications, tetramethylguanidine is widely used as an additive in various high-temperature-resistant anti-corrosion coating formulations, especially in the protection of high-temperature equipment in petrochemical industry, thermal power stations, aerospace and other fields. For example, for high-temperature chimneys, heat exchangers, combustion chambers and other facilities, the addition of tetramethylguanidine can significantly improve the protective effect of coatings, extend the maintenance cycle of equipment, and reduce operating costs.

Research and development direction

Currently, research on the application of tetramethylguanidine in coating additives is still in depth. Researchers are working on developing new coating formulations containing tetramethylguanidine, aiming to further improve the comprehensive performance of coatings, including increasing the temperature range, enhancing UV aging resistance, and improving the flexibility and wear resistance of the coating.

Conclusion

Tetramethylguanidine, as an efficient high-temperature resistant and anti-corrosion coating additive, plays an irreplaceable role in improving coating performance. By enhancing the thermal stability, corrosion resistance and curing of coatings, tetramethylguanidine provides a comprehensive protection solution for industrial equipment, especially in high temperatures and corrosive environments. With the continuous deepening of research on tetramethylguanidine, we have reason to believe that it will become a bright star in the field of high temperature resistant anti-corrosion coatings in the future, bringing revolutionary breakthroughs to industrial protection.

Future Outlook

In the future, the application of tetramethylguanidine in the field of coating additives will develop in a more efficient and environmentally friendly direction. Researchers will work to develop more advanced synthesis processes to reduce production costs while reducing environmental impact. In addition, through combined use with other functional additives, tetramethylguanidine is expected to improve the overall performance of coatings while meeting more diversified and specialized market demands. With the advancement of science and technology and the evolution of market demand, the application prospects of tetramethylguanidine in the field of coating additives will be broader.

Extended reading:

N-Ethylcyclohexylamine – Manufacturer of N,N-Dicyclohexylmethylamine and N,N-Dimethylcyclohexylamine – Shanghai Ohans Co., LTD

CAS 2273-43-0/monobutyltin oxide/Butyltin oxide – Manufacturer of N,N-Dicyclohexylmethylamine and N,N-Dimethylcyclohexylamine – Shanghai Ohans Co., LTD

T120 1185-81-5 di(dodecylthio) dibutyltin – Amine Catalysts (newtopchem.com)

DABCO 1027/foaming retarder – Amine Catalysts (newtopchem.com)

DBU – Amine Catalysts (newtopchem.com)

bismuth neodecanoate – morpholine

DMCHA – morpholine

amine catalyst Dabco 8154 – BDMAEE

2-ethylhexanoic-acid-potassium-CAS-3164-85-0-Dabco-K-15.pdf (bdmaee.net)

Dabco BL-11 catalyst CAS3033-62- 3 Evonik Germany – BDMAEE

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