TGIC curing agent is a chemical widely used in coatings, powder coatings, and other fields. It can quickly undergo the condensation reaction of vinyl and anhydride, and can quickly cure in high-temperature environments. How does TGIC curing agent achieve rapid curing? This paper will discuss this problem in detail by describing the reaction mechanism and molecular structure of TGIC curing agent.

Firstly, it should be understood that the main component of TGIC curing agent is trimethyl isocyanurate, also known as TMIC, which is an organic compound containing three isocyanate groups. Its Molecular formula is C9H12N3O6.

The reaction mechanism of TGIC curing agent is as follows: The curing reaction of TGIC curing agent mainly involves the condensation reaction of vinyl and anhydride. In coatings or powder coatings, TGIC curing agents are mixed with other reactants to form a reaction system. Under conditions such as heating or light, TGIC curing agent reacts with other reactants through condensation reaction, ultimately forming a solid coating or powder coating.

The specific process of polycondensation reaction is as follows: first, three isocyanate groups in TGIC curing agent react with anhydride, hydroxyl, etc. in other reagents to form mutually combined Condensation polymer; Secondly, the cross-linking structure in the Condensation polymer is constantly strengthened, which finally makes the reaction system rapidly solidify at high temperature to form a coating or powder coating with high strength.

During this process, the TGIC curing agent has a high reaction rate due to its acid anhydride reaction activity and compact structure. In addition, the three isocyanate groups in its molecule are also beneficial for promoting the reaction.

In practical applications, TGIC curing agent also needs to be used in conjunction with other materials. In general, additives, catalysts, and other components are added to achieve better curing effects. Different reaction systems also need to be combined according to different ratios and conditions to ensure the maximum performance of coatings or powder coatings.

In general, the rapid curing of TGIC curing agent is mainly based on its strong reactivity and molecular structure. In practical applications, it is necessary to cooperate with other reactants and regulators to achieve the best coating effect.