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What are the applications of polyester resin?
 Dec 26, 2024|View:633

Unsaturated Polyester Resins (UPR) is an important thermosetting resin, because of its excellent mechanical properties, electrical properties, chemical corrosion resistance and simple processing technology, in recent years, it has been widely used in many fields. In this paper, the application of unsaturated polyester resin in many fields will be discussed in detail.

unsaturated polyester resin applications

First, the industrial field

In the industrial field, unsaturated polyester resin is mainly used in the manufacture of cooling towers, boats, chemical anti-corrosion equipment, vehicle parts and other reinforced products. Because of their high strength, corrosion resistance and light weight, these products are widely used in industrial production and equipment manufacturing. For example, unsaturated polyester resin can be used to make the hull and internal structure of ships, not only to reduce the weight of the hull, but also to improve the resistance to seawater corrosion. In addition, the unsaturated polyester resin is also used in the manufacture of chemical equipment, anti-corrosion layer, can effectively resist the erosion of various chemicals.

Second, the field of construction

In the field of construction, unsaturated polyester resin is also widely used. It can be used as a matrix material for the manufacture of glass fiber reinforced plastics (FRP) , for doors and windows, mobile rooms, sanitary equipment and other building components manufacturing. FRP products not only have the characteristics of light weight and high strength, but also have good weather resistance and corrosion resistance, suitable for all kinds of harsh environmental conditions. In addition, the unsaturated polyester resin can also be used in the manufacture of architectural coatings and adhesives, providing excellent adhesion and durability.

Third, the field of transportation

In the field of transportation, unsaturated polyester resin is widely used in the manufacture of vehicle parts. For example, unsaturated polyester resin can be used as a matrix material for automobile body parts, interiors and enclosures. These components are not only lightweight and high strength, but also effectively reduce the overall weight of the vehicle and improve fuel economy. In addition, the unsaturated polyester resin can also be used in the manufacture of trains, aircraft and other transport components for the field of transportation to provide reliable material support.

Fourth, the area of daily life

In daily life, the application of unsaturated polyester resin is also indispensable. It is widely used in furniture paint, Polaroid, buttons and other daily necessities. Unsaturated polyester resin coatings have excellent adhesion and gloss, can provide beautiful appearance and lasting protection for furniture. Polaroid board is a kind of artificial board which uses unsaturated polyester resin as base material. It is light, high strength and easy to process. It is widely used in furniture manufacture and interior decoration.

The field of composite materials

The application of unsaturated polyester resin in the field of composite materials is especially outstanding. It can be used as a matrix material and glass fiber, carbon fiber and other reinforced materials combined to form a composite with excellent properties. These composites not only have the characteristics of light weight and high strength, but also have good corrosion resistance, heat resistance and fatigue resistance, and are widely used in aerospace, sports equipment, automotive and other fields. For example, unsaturated polyester resin composites are used to make key components such as aircraft wings, car bodies and racing car bodies, providing reliable material support for the manufacture of these high-performance products.

Environmental Protection and sustainable development

With the improvement of environmental awareness and the requirement of sustainable development, the environmental performance of unsaturated polyester resin has been paid more and more attention. In recent years, domestic and foreign scholars and enterprises have been developing new types of unsaturated polyester resin with low shrinkage, low water absorption and low free styrene residue to reduce environmental pollution and waste of resources. For example, by adding low shrinkage agent and controlling reaction conditions, the curing shrinkage of unsaturated polyester resin can be significantly reduced, and the dimensional stability and surface quality of products can be improved. At the same time, by using low volatile resin and environment-friendly catalyst, we can reduce the emission of harmful substances in the production and use of unsaturated polyester resin, and achieve the goal of environmental protection and sustainable development.

To sum up, unsaturated polyester resin is favored because of its excellent performance and a wide range of applications. In the future, with the development of technology and environmental requirements, the application of unsaturated polyester resin will be further expanded to provide more reliable material support for the development of various fields.


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