Competitive chain scission under photo-crosslinking of polyethylene

A. Shyichuk; G. Tokaryk

doi:10.14314/polimery.2000.548

Published : 2022-09-21

Vol. 45 No. 7-8 (2000)

Competitive chain scission under photo-crosslinking of polyethylene

A. Shyichuk G. Tokaryk

DOI: https://doi.org/10.14314/polimery.2000.548

Abstract

To determine the rate of macromolecular scission accompanying the photo-initiated crosslinking of polyethylene, a method was applied which consists in plotting sol fraction vs. time in the log-log coordinates. The slopes showed the backbone scission to accompany crosslinking. With the most effective photo-crosslinking initiator, 2-ethylanthraquinone, the scission rate was found to be 2.6 times the crosslinking rate.

Keywords

fotosieciowanie polietylenu ; fotoinicjatory ; szybkość rozrywania łańcuchów głównych ; kinetyka procesu sieciowania macromolecule crosslinking ; chain scission rate ; sol-gel analysis

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Shyichuk, A., & Tokaryk, G. (2022). Competitive chain scission under photo-crosslinking of polyethylene. Polimery, 45(7-8), 548–550. https://doi.org/10.14314/polimery.2000.548

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