Properties of Polyolefins
The principal polyolefins are low-density polyethylene (ldpe), high-density polyethylene (hdpe), linear low-density polyethylene (lldpe), polypropylene (PP), polyisobutylene (PIB), poly-1-butene (PB), copolymers of ethylene and propylene (EP), and proprietary copolymers of ethylene and alpha olefins. Since all these polymers are aliphatic hydrocarbons, the amorphous polymers are soluble in aliphatic hydrocarbon solvents with similar solubility parameters. Like other alkanes, they are resistant to attack by most ionic and most polar chemicals; their usual reactions are limited to combustion, chemical oxidation, chlorination, nitration, and free-radical reactions.
KeywordsLinear Expansion Random Copolymer High Specific Gravity Izod Impact Strength Heat Deflection Temperature
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