Publish Time: 2022-10-07 Origin: Site
PVC plastic raw material is versatile: it can be as hard as industrial piping, flexible as plastic film, thin and flexible as wallpaper. It can also be completely transparent or take on any desired color.
What role does the PVC plastic raw material play?
What are the production methods of PVC plastic raw material?
What are the main components of PVC plastic raw material?
1. Building construction
About three quarters of the PVC plastic raw material base is manufactured for durable construction and construction applications. Life cycle studies have shown that PVC plastic raw materials effectively protect the environment in terms of reducing greenhouse gas emissions and saving resources and energy.
Being strong and resistant to moisture and abrasion, vinyl is ideal for cladding, windows, roofs, fences, cladding, wallpaper and floors. Vinyl does not corrode like some building materials, does not need to be painted frequently and can be cleaned with a mild detergent.
2. Sidings and windows
PVC plastic raw material helps in producing very durable, affordable side walls and window frames, and helps save energy in heating and cooling homes. In fact, vinyl windows are three times as insulating as aluminum windows.
3. Wire and cable
PVC plastic raw material is able to withstand harsh conditions behind building walls, such as changing temperatures and humidity for the life of the building. As such, it is one of the most ubiquitous and trustworthy materials for wires and cables.
PVC plastic raw material is produced by radical addition polymerization. The polymerization processes are mainly divided into suspension polymerization, emulsion polymerization and mass polymerization. Suspension polymerization is the main process that accounts for about 80% of total PVC production. Add pure water, liquefied VCM monomer and dispersing agent to the reactor, then add initiator and other excipients, and after the temperature is raised to a certain temperature, the VCM monomer undergoes a radical polymerization reaction to form PVC particles. Continued stirring unifies the particle size and suspends the resulting particles in the water. In addition, there is also the use of micro suspension process to produce PVC paste resin, which has good product performance and paste forming properties.
The main component of PVC plastic raw material is polyvinyl chloride, which has a bright color, corrosion resistance, strength and durability. Therefore, due to the addition of some toxic excipients such as plasticizers and anti-aging agents in the manufacturing process to improve heat resistance, toughness and ductility, the products generally do not store food and medicines. It is now a popular, popular and widely used synthetic material in the world.
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