Chemistry

Gas phase polymerization using the example of LDPE

Gas phase polymerization using the example of LDPE


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Reaction sequence of the gas phase polymerization of ethene in the high pressure process

The polymerization of ethene in the high pressure process to LDPE is a radical polymerization.

Fig.1
Illustration of the reaction steps in the formation of LDPE (low density polyethylene)

Backbiting means that the radical removes a hydrogen atom from the fifth, sixth or seventh methylene group of the radical polymer. The resulting radical leads to branched polymers (short-chain branching).


Video: Αλσούπολη Νέα Ιωνία Πωλείται Διαμέρισμα 111 (May 2022).