What material skeleton can liquid silicone be welded together with?

Liquid silicone, as a liquid material with excellent performance, is widely used in fields such as infant and toddler products, medical supplies, and electronic products due to its good fluidity, fast vulcanization, safety and environmental protection. However, the question of which material skeleton can be welded together with liquid silicone actually involves knowledge from multiple fields such as materials science and technology.

Firstly, we need to understand the basic properties of liquid silicone. Liquid silica gel has excellent tear resistance, resilience, yellowing resistance, thermal stability, heat resistance and aging resistance. These properties enable liquid silicone to maintain high stability and reliability during the preparation process. At the same time, the vulcanization process of liquid silicone is also an important link, which determines the molding quality and performance of silicone.
The compatibility between liquid silicone and the skeleton material is a key factor during the welding process. In theory, any material that can chemically bond or physically adsorb with silicone has the potential to achieve welding. However, in practical applications, we need to consider factors such as the thermal stability, chemical stability, and mechanical properties of the skeleton material. Special treatment is applied to the contact surface between silicone and the skeleton to increase their adhesion. For example, special surface treatment agents can be used or the surface of silicone gel can be specially treated before curing to enhance its adhesion to the skeleton.

Common skeleton materials that can be used for welding include metal, plastic, and certain composite materials. The metal skeleton has good thermal stability and mechanical properties, but it should be noted that metals are prone to chemical reactions with silica gel at high temperatures, leading to unstable welding interfaces. Therefore, when selecting a metal skeleton, it is necessary to choose a metal material with good compatibility with silicone, and control the welding temperature and time well.
Plastic skeletons can also be welded to liquid silicone in some cases. Some special types of plastics, such as polytetrafluoroethylene (PTFE) and polyimide (PI), have high chemical and thermal stability and can form good bonds with liquid silicone. However, the strength and rigidity of plastics are usually low and may not meet the requirements for skeleton strength in certain application scenarios.

The composite material skeleton combines the advantages of various materials, such as the strength of metals, the flexibility of plastics, and the weather resistance of silicone. Through reasonable material selection and structural design, the composite material skeleton can achieve reliable welding with liquid silicone. In addition, the composite material skeleton can also be customized according to specific needs to meet the needs of different application scenarios.
In terms of welding technology, methods such as hot pressing, ultrasound, or laser can be used to achieve the welding of liquid silicone with the skeleton. These methods each have their own advantages and disadvantages, and need to be selected according to specific circumstances. For example, the hot pressing method is suitable for large-area welding, but it may cause deformation of the silicone gel; The ultrasonic welding method has a fast welding speed, but may cause damage to the skeleton material; Laser welding has high precision, but the equipment cost is relatively high.

Liquid silicone is widely used due to its excellent performance. When welding with frameworks such as metals, plastics, and composite materials, material properties, welding processes, and application requirements need to be considered

In summary, the method of combining liquid silicone with the material skeleton depends on the specific application scenario and requirements. When selecting the appropriate method, it is necessary to consider the characteristics of the material skeleton, the characteristics of silicone, and the requirements of the connection to ensure that the final connection has the required performance and stability. Through reasonable selection and optimization, we can achieve reliable connection between liquid silicone and skeleton materials, providing strong support for product design and manufacturing.