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Low-temperature oxidation of polyethylene

✍ Scribed by E.K. Piiroja; H.V. Lippmaa; O.F. Metlitskaya; A. Dankovics

Publisher
Elsevier Science
Year
1980
Tongue
English
Weight
243 KB
Volume
16
Category
Article
ISSN
0014-3057

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✦ Synopsis

Al~tract--To increase the surface energy of polyethylene (PE), the surface is subjected to oxidative treatment, such as chemical oxidation or Bunsen flame treatment. It is shown that oxidation of the polymer surface below 100 Β° leads to increase in the contents of double bonds and of hydroxyl, carbonyl and carboxyl groups and also to branching of the molecules. Increase in the concentration of the polar groups causes increase in the surface free energy.

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## Abstract Thermal oxidation of hydrocarbon substrates at low‐to‐moderate temperature, typically __T__ ≀ 150^Β°^C, results from a radical chain process initiated by hydroperoxide decomposition and displays an induction period. A reliable model exists to simulate oxidation kinetics, but an incertitu