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[Chemical Knowledge]：The mystery of polyethylene: from production to application

Read： 371 Time：18months ago Source：Transform the World with Simplicity

Polyethylene is a common plastic, widely used in packaging, daily necessities, electronic appliances, construction, medical and other fields. Its low cost, high transparency, good chemical stability and processing performance are the important reasons for its wide application. But do you know how polyethylene is produced?
The production of
polyethylene is made from ethylene as raw material, which is catalyzed by high temperature and high pressure. Among them, ethylene is an olefin monomer with high reactivity and selectivity. The production process also requires the use of catalysts and stabilizers to ensure the efficiency of the polymerization reaction and the stability of the polymer. Although the production process requires high energy consumption, in recent years, environmentally friendly polyethylene production technology has also been widely used.

polyethylene has a wide range of applications. Its low-density polyethylene (LDPE) can be used to produce similar plastic products such as plastic wrap and garbage bags; high-density polyethylene (HDPE) can be used to produce water tanks, water pipes, bottle caps and other industrial applications; linear low-density polyethylene (LLDPE) is used to produce various types of film and packaging materials.

In addition to this, polyethylene is also widely used in the medical field. Medical polyethylene products have very good biocompatibility and drug resistance, and can be used in the production of drainage tubes, infusion bags, surgical towels and other medical devices. In addition, polyethylene is also used in the manufacture of solar panels, and the requirements for polyethylene in this field are higher.

With the improvement of environmental protection awareness, the renewable and degradable properties of polyethylene are becoming more and more important. Some research institutions are developing biodegradable polyethylene to reduce the pollution of plastic waste.

In general, polyethylene, as a plastic with strong applicability and low cost, has played an important role in human industrial production and daily life. However, while the public uses it, we should also actively advocate the use of environmentally friendly plastics, so that polyethylene, an excellent material, can better perform its functions while protecting the environment.

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