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Additives are chemicals blended into plastics to change their performance or appearance, making it possible to alter the properties of plastics to better suit their intended applications. [32] [33] Additives are therefore one of the reasons why plastic is used so widely. [34] Plastics are composed of chains of polymers.
It is a polymer, primarily used for packaging (plastic bags, plastic films, geomembranes and containers including bottles, cups, jars, etc.). As of 2017 [update] , over 100 million tonnes of polyethylene resins are being produced annually, accounting for 34% of the total plastics market.
The plastic kits and covers are mostly made of synthetic polymers like polythene, and tires are manufactured from polybutadienes. [1] However, due to the environmental issues created by these synthetic polymers which are mostly non-biodegradable and often synthesized from petroleum, alternatives like bioplastics are also being considered.
For the first time, researchers have counted and categorized the many plastic chemicals in the world, finding that many are toxic and unregulated. Toxic plastic chemicals number in the thousands ...
The plastics industry manufactures polymer materials—commonly called plastics—and offers services in plastics important to a range of industries, including packaging, building and construction, electronics, aerospace, manufacturing and transportation. It is part of the chemical industry.
A handful of chemicals. The new research analyzed the impact of four groups of chemicals used in the production of plastic products: Flame retardants called polybrominated diphenyl ethers, or PBDE ...