The usage and precautions of PC-41 catalyst in polyurethane materials are as follows:
一、Instructions for use：
- Dosage controlThe recommended dosage is 0.05%-0.5% of the total amount of the polyurethane system, which needs to be adjusted according to the formula and process. For example, based on 100 parts of polyether, the dosage is about 0.1-3.0 parts.
- Mixing methodIt exists in liquid form, which is convenient for mixing with other components (such as polyols and isocyanates). It is usually used with a catalyst to improve the foaming/gelling efficiency.
- Reaction condition optimization
Promote the rapid reaction of isocyanate and water to generate carbon dioxide gas to promote foaming;
Accelerate the cross-linking reaction of polyols and isocyanates and enhance the mechanical properties of foams.
二、Application Areas：
- Furniture manufacturing: used for laminated boards, spray rigid foam, molded rigid foam, etc., to improve foam density and resilience;
- Automotive interior: improve the softness and comfort of materials such as seats and ceilings, and produce polyurethane products with uniform density and excellent resilience;
- Microporous elastomer: suitable for high-resilience foam plastics and microporous polyurethane elastomers.
三、Mechanism of action：
By reducing the activation energy of the reaction, the reaction can be started quickly at a lower temperature, while precisely controlling the rate to avoid product defects. Its selectivity prioritizes the target reaction path to ensure a stable foam structure.
四、Precautions：
- The dosage needs to be adjusted according to the specific process (such as full water foaming, hard foam/soft foam);
- In the experiment, it is recommended to start with a small dosage and gradually optimize the formula to balance the performance.