[TPE material] TPE material is a thermosetting elastomer material

TPE material is a thermosetting elastomer material, which has the characteristics of high toughness, high resilience, and can be processed by injection molding. It is widely used, non-toxic and safe for environmental protection, with excellent coloring property, soft feel, aging resistance, fatigue and heat resistance, production processing performance, no need to vulcanize rubber, and can be used repeatedly to control the cost. It can also be used for secondary injection molding process, with PP, PE, PC, PS, ABS and other base materials are covered and bonded, and can also be formed independently. Where does this elasticity come from in TPE materials?

The elasticity of TPE material can be understood as follows:

In fact, many materials are more or less elastic. For example, if you bend a wooden stick, the thin stick will bend slightly, and then return to normal after you let go. In ancient times, ass hide glue used the elasticity of the bow, not just the elasticity of the bow string. The elasticity of wood and the elasticity of elastomer are not a kind of elasticity. Hard plastic is actually as elastic as wood. No matter how hard plastic is, it will be elastic.

The elasticity of TPE materials varies. It is closely related to the secret recipe of raw materials, but not to the strength of materials. In the specific application, TPE material is deformed under the action of external force. After the action of external force is removed, the material should be able to repair the original specification and condition, so it has its practical value. With low strength, pure plastic plate, no more than the deformation degree, certain deformation time and deformation frequency, TPE material can completely complete the rebound, and then meet the requirements of material application.

TPE material has stress relaxation and is very prone to sexual deformation. That is, TPE material, if the stress time is too long, or the stress is too large, it will cause different levels of deformation of the material, and can not be completely restored to the original state. The key is that the appearance of TPE material is fixed according to the physical and chemical cross-linking. When the force size or time exceeds the limit of the physical and chemical cross-linking structure of the material, the physical and chemical cross-linking structure is destroyed, resulting in irreparable elastic deformation of TPE material.