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[Chemical Knowledge]：Understanding Plastic: A Modern Material

Read： 212 Time：17months ago Source：Transform the World with Simplicity

In our daily life, whether it is family, work or entertainment, it is inseparable from the use of various items, and one of the materials for making these items is plastic. So, what is plastic? What is its principle? Please follow this article to understand.

1. What is plastic?

plastic is a high molecular polymer material formed by synthetic resin, filler, plasticizer and additives through extrusion, injection molding, calendering and blow molding processes. Its high strength, light weight, corrosion resistance, good insulation, formability and other characteristics are widely used in various fields.

2. Classification and
of plastics
According to different chemical structures and physical properties, plastics can be divided into two categories: thermoplastics and thermosetting plastics.

thermoplastics soften after heating, so that they can be processed. Common thermoplastics are polyethylene, polypropylene, polyvinyl chloride, polystyrene, polyamide and polycarbonate.

thermosetting plastics will not soften after heating, and will not soften at high temperature after molding. Common thermosetting plastics are phenolic, epoxy, polyimide and silica gel.

3. application of plastic

plastic is widely used, mainly used in the following fields:

(1) household goods: such as plastic cups, plastic spoons, plastic bowls and so on.

(2) Building decoration materials: such as plastic pipes, plastic doors and windows, plastic floors, plastic wall panels, etc.

(3) Electronic appliances: such as TV shell, telephone shell, computer shell, etc.

(4) Medical devices: such as syringes, electronic monitors and infusion sets.

(5) Automobile and transportation industry: such as automobile interior parts, automobile shell, ship and aircraft spare parts, etc.

(6) packaging industry: such as plastic bags, plastic bottles, plastic boxes, etc.

, it can be said that the application range of plastics is very wide, and it can be seen everywhere in our lives.

4. the future development of plastics

with the continuous progress of science and technology, plastic production technology is also constantly improving, environmental protection, bionic, conductive plastics and other new plastic materials continue to emerge, will be more and more widely used in science, medical, agriculture and aviation and other fields, with broad prospects for future development.

plastic, as a modern material, has been deeply integrated into our lives. In the process of modern society moving forward, the status and role of plastics will become more and more important, and we should also pay close attention to and understand the development of plastics, and inject more power into its future development.