Polyurethane Material
Polyurethane is a synthetic material with a wide range of applications. It is formed by reacting polyethers, polyesters or polyalcohols containing isocyanate functional groups with polyurethane crosslinkers. Polyurethane has excellent physical and chemical properties, and is widely used in construction, automobiles, furniture, shoe materials, coatings, adhesives and other fields.
Polyurethane has high strength and hardness, as well as good elasticity and wear resistance. This makes it ideal for making durable materials. Polyurethane also has good impact resistance and heat resistance, and can be used for a long time under harsh working conditions without degradation. These properties make polyurethane widely used in the construction and automotive industries to make heat insulation materials, shock absorbing materials, sealing materials, etc.
Polyurethane also has good chemical resistance and can resist the corrosion of most acids, alkalis and organic solvents. This makes it a good choice for making corrosion resistant materials. Polyurethane can also adjust its chemical resistance by changing its formula and the type of crosslinking agent to adapt to different use environments.
Polyurethane has excellent insulating properties, can resist the flow of electric current and heat, and is widely used in the manufacture of electrical insulation materials. In addition, polyurethane also has good water resistance and UV resistance, making it a common material for coatings and adhesives.
The preparation process of polyurethane is relatively simple, and its performance can be controlled by adjusting the ratio of raw materials and reaction conditions. According to different needs, different types of products such as rigid polyurethane, soft polyurethane and elastomeric polyurethane can be prepared.
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