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Webpolythene definition: 1. a light, usually thin, soft plastic, often used for making bags or for keeping things dry or…. Learn more. WebCorrect option is C) Step-growth polymerization refers to a type of polymerization mechanism in which bi-functional or multifunctional monomers react to form first dimers, then trimers, longer oligomers and eventually long-chain polymers. Polyacrylonitrile, Polyisoprene and Polythene polymerize by chain-growth polymerization of acrylonitrile ... Polyethylene or polythene (abbreviated PE; IUPAC name polyethene or poly(methylene)) is the most commonly produced plastic. It is a polymer, primarily used for packaging (plastic bags, plastic films, geomembranes and containers including bottles, etc.). As of 2024 , over 100 million tonnes of … See more Polyethylene was first synthesized by the German chemist Hans von Pechmann, who prepared it by accident in 1898 while investigating diazomethane. When his colleagues Eugen Bamberger and Friedrich Tschirner … See more Commonly used methods for joining polyethylene parts together include: • Welding • Fastening • Adhesives See more Polyethylene is produced from ethylene, and although ethylene can be produced from renewable resources, it is mainly obtained from petroleum or natural gas. Moreover, the … See more The properties of polyethylene can be divided into mechanical, chemical, electrical, optical, and thermal properties. Mechanical See more Monomer The ingredient or monomer is ethylene (IUPAC name ethene), a gaseous hydrocarbon with … See more Polyethylene is classified by its density and branching. Its mechanical properties depend significantly on variables such as the extent and type … See more Polyethylene may either be modified in the polymerization by polar or non-polar comonomers or after polymerization through polymer … See more northeast geotechnical supply llc