what chemicals are used to make plastic
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The first list of chemicals in plastic isPhthalate, the esters of phthalic acid. The main use of phthalate is as plasticizers, to increase flexibility, transparency, durability, and longevity. Factories made phthalate by reacting phthalic anhydride with alcohols.
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What materials are used to make plastics?
The main elements used to make plastics today are cellulose, coal, natural gas, salt, and crude oil, which are all found in nature. Various raw materials are used in the production of plastics, which are refined into ethane and propane.
What are the chemicals in food and plastic?
Chemicals in Food. List of Food Preservatives. List of Chemicals. 1. Phthalate. The first list of chemicals in plastic is Phthalate, the esters of phthalic acid. The main use of phthalate is as plasticizers, to increase flexibility, transparency, durability, and longevity.
What are the two most important substances in plastics?
The two most important substances to watch out for in plastics are bisphenol A (BPA), used in a variety of consumer products, and certain phthalates, often found in toys. Bisphenol A (BPA) is a substance that is used in the industrial manufacture of polycarbonate plastic products.
How are plastics made from natural gas?
1 Plastics are made from raw materials like natural gas, oil or plants, which are refined into ethane and propane. 2 Ethane and propane are then treated with heat in a process called 鈥渃racking鈥?which turns them into ethylene and propylene.
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