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Industry info Wiki Q&A

Q molecular structure of low density polyethylene

ErnestGrote

KellyCroft Release Time: May 10, 2024, 6:18 PM

LDPE is known for its branched molecular structure. which is formed through a high-pressure polymerization process. The branching in the molecules prevents them from tightly bonding. resulting in a lower density compared to HDPE. This unique structure gives LDPE its flexibility. making it a popular choice for plastic bags. containers. and pipes. However. it also impacts the mechanical and thermal properties of the material. resulting in lower stiffness and melting points than HDPE. Therefore. knowledge of the molecular structure of LDPE is crucial for selecting materials with desired mechanical and thermal characteristics.

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