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[Chemical Knowledge]：Properties and Uses of Polyester Resin Raw Materials

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The nature and use
of polyester resin raw materials in the field of chemical production
1. Introduction

polyester resin is a polymer compound, made by polycondensation reaction of polyols and polyacids. Due to its unique chemical and physical properties, polyester resins have a wide range of applications in the field of chemical production. In this paper, the properties and uses of polyester resin will be discussed in detail.

2. the properties of polyester resin

1. Thermal stability: Polyester resin has good thermal stability, can be used at high temperatures, and is not easy to decompose and deform.
2. Mechanical properties: Polyester resin has high strength and hardness, and has good toughness and wear resistance.
3. Chemical stability: Polyester resin has good stability to most chemical reagents and is not prone to chemical reactions.
4. Electrical insulation: Polyester resin has good electrical insulation and can be used to make electrical insulation materials.

3. the use of polyester resin

1. coating field: polyester resin can be used as the basic material of coating, with excellent weather resistance, chemical resistance and decoration, widely used in construction, automobile, home appliances and other fields.
2. Adhesive field: Polyester resin can be used as the basic material of adhesive, with high bonding strength and heat resistance, and can be used for bonding wood, metal, glass and other materials.
3. Composite materials: Polyester resin can be used as the matrix material of composite materials, and composite with glass fiber, carbon fiber and other reinforced materials to make high-strength, lightweight composite materials, widely used in aerospace, automotive, construction and other fields.
4. Field of electrical insulation materials: Polyester resin has good electrical insulation and can be used to manufacture electrical insulation materials, such as insulation layers for wires and cables, insulators for electrical parts, etc.

4. conclusion

polyester resin as an important raw material for chemical production has excellent properties and a wide range of uses. In the future of chemical production, polyester resins will continue to play an important role in supporting the development of various fields.

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