Polyethylene Plastic Polymer

Linear Low Density Polyethylene (LLDPE or LDPE) and High Density Polyethylene (HDPE) are two major categories of Polyethylene (PE) or polythene that are the most common plastic. They are primarily use is in packaging (i.e plastic bag, plastic films, geomembranes, containers including bottles etc.). These plastic polymers are thermoplastic polymer consisting of long hydrocarbon chains. Polyethylene is also classified into several different sub-categories based mostly on its density and branching.

The two major categories are available from Turraco in diferent variations.

High-density polyethylene (HDPE) is defined by a density of greater or equal to 0.941 g/cm3. HDPE has a low degree of branching and thus low intermolecular forces and tensile strength. It is used in products and packaging such as milk jugs, detergent bottles, butter tubs, garbage containers and water pipes. One third of all toys are manufactured from HDPE.

Linear low-density polyethylene (LLDPE) is defined by a density range of 0.915–0.925 g/cm3. LLDPE has higher tensile strength than LDPE, it exhibits higher impact and puncture resistance than LDPE. It is used in packaging, particularly film for bags and sheets.

In copolymerization, ethylene can also be copolymerized with a wide range of other monomers and ionic composition that creates ionized free radicals. Common examples include vinyl acetate (the resulting product is ethylene-vinyl acetate copolymer, or EVA, widely used in athletic-shoe sole foams) and a variety of acrylates. Applications of acrylic copolymer include packaging and sporting goods, and superplasticizer, used for cement production.

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