The first stage of plastic polymer production begins with the supply of raw materials. Monomers, usually obtained from fossil fuels such as oil and natural gas, form the basis of the production process. These monomers are small molecules such as ethylene, propylene, vinyl chloride. During the raw material preparation process, monomers are purified from impurities and brought into compliance with the reaction conditions.
Polymers resulting from the polymerization process are generally made in raw form, that is, into granules (small particles). These granules provide a more easily transportable and processable form for use in the production of plastic products. Granules are prepared in the desired size and shape by cooling and cutting processes.
Plastic products that go through the processing and shaping process are subjected to cooling and hardening processes when they have a certain form. This process ensures that the products achieve ultimate hardness and durability properties. Cooling is usually accomplished using water or air.
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