Low-density polyethylene (LDPE) is a thermoplastic made from the monomer ethylene. It was the first grade of polyethylene, produced in 1933 by John C. Swallow and M.W Perrin who were working for Imperial Chemical Industries (ICI) using a high pressure process via free radical polymerization. [1] Its manufacture employs the same method today.

Apr 29, 2022 · An overview of what low density polyethylene (LDPE) is, including how it's made, the different properties of LDPE, applications of LDPE, and advantages and disadvantages of using it.

Jan 10, 2025 · Branched versions are known as low-density polyethylene (LDPE) or linear low-density polyethylene (LLDPE); linear versions are known as high-density polyethylene (HDPE) and ultrahigh-molecular-weight polyethylene (UHMWPE).

The melting point for average commercial low-density polyethylene is typically 105 to 115 °C (221 to 239 °F). These temperatures vary strongly with the type of polyethylene, but the theoretical upper limit of melting of polyethylene is reported to be 144 to 146 °C (291 to 295 °F). Combustion typically occurs above 349 °C (660 °F).

LDPE (Low-Density Polyethylene), a highly versatile thermoplastic, finds its place across an extensive range of applications, from flexible food packaging to diapers, toys, artificial turf, and beyond.

2 days ago · Low-Density Polyethylene (LDPE) is characterized by its low density (0.915 to 0.935 g/cm³), highly branched molecular structure, excellent flexibility, toughness, and elasticity. It offers high clarity and transparency, making it suitable for packaging. LDPE exhibits good chemical resistance to acids, alcohols, and bases but limited resistance ...

Polyethylene of density ranging from 0.91 to 0.94 g/cc is classified broadly as low-density polyethylene (LDPE), and this polymer can be manufactured by high- or low-pressure processes.

Oct 17, 2023 · Low-density Polyethylene, or LDPE, belongs to the Polyethylene branch of thermoplastics. It is soft, lightweight, tough, and flexible. The thermoplastic material is known for having low-temperature compatibility and good corrosion resistance.

Explore a comprehensive list of low density polyethylene properties at normal temperature and pressure (NTP) in both SI and US customary units.

Oct 14, 2024 · What is Low Density Polyethylene (LDPE)? Low density polyethylene, often abbreviated as LDPE, is a thermoplastic belonging to the polyethylene family. It is composed of long chains of ethylene molecules, with the chemical formula …