What are outdoor TGIC-cured Polyester Resins
1. Definition and characteristics
Outdoor TGIC-cured Polyester Resins are special polyester resins designed for outdoor applications. Their main feature is the use of TGIC (triglycidyl isocyanurate) as a curing agent. This type of Polyester Resins For TGIC Based Formulations has the characteristics of fast curing speed and environmentally friendly. The cured coating has high hardness, good wear resistance, and strong chemical corrosion resistance. It is suitable for outdoor building products, high-gloss products, semi-gloss products, construction machinery, coiled steel powder, etc.
2. Selection of curing agent
TGIC as a curing agent can accelerate the curing speed and improve the weather resistance and mechanical properties of the coating. The coating generated by the reaction of TGIC curing agent and Polyester Resins has excellent weather resistance, chemical corrosion resistance and mechanical strength, which makes it perform well in outdoor environments.
3. Application fields
Outdoor TGIC-cured Polyester Resins are widely used in various outdoor products, such as building products, high-gloss products, semi-gloss products, construction machinery and coiled steel powder. These application fields require the coating to have good weather resistance, wear resistance and chemical corrosion resistance, and outdoor TGIC-cured Polyester Resins just meet these needs.
When choosing Polyester Resins, how to balance the curing time and weather resistance
1. The influence of curing time
The length of curing time directly affects the production efficiency and the final performance of the coating. A shorter curing time can improve production efficiency and reduce energy consumption, but too short a curing time may cause incomplete curing of the coating, affecting the hardness, wear resistance and chemical corrosion resistance of the coating. When choosing Polyester Resins, it is necessary to select the appropriate curing time according to the specific application scenario and production conditions.
2. The importance of weather resistance
Weather resistance is a crucial performance indicator in outdoor applications. Good weather resistance can ensure that the coating maintains its performance in a long-term outdoor environment and prevent the occurrence of problems such as coating aging, fading, and cracking. Weather resistance is mainly affected by factors such as the chemical structure of the resin, the choice of curing agent, and curing conditions. Selecting Polyester Resins For TGIC Based Formulations with excellent weather resistance can extend the service life of the coating.
3. Strategies for balancing curing time and weather resistance
Choose the right type of resin: Different types of Polyester Resins have different curing times and weather resistance. For example, building grade Polyester Resins usually have good weather resistance, but the curing time may be longer; while high gloss, fast curing Polyester Resins may have a shorter curing time, but relatively weak weather resistance.
Optimize curing conditions: By adjusting the curing temperature and time, the curing time and weather resistance can be balanced to a certain extent. Higher curing temperatures can shorten the curing time, but may affect the weather resistance of the coating; while lower curing temperatures can extend the curing time and improve the weather resistance of the coating.
Choose the right curing agent: TGIC is a commonly used curing agent with the characteristics of fast curing speed and good weather resistance. By choosing the right TGIC curing agent, the weather resistance of the coating can be improved while ensuring the curing speed.
