SUPPRESSION THE PHOTOINTIATION AT AGING OF POLYETHYLENE FILMS BY THIN COATINGS OF ZnO

A.F. HAMBARDZUMYAN; N.N. HOVHANNISYAN; H.R. GHARIBYAN; S.G. ALOYAN; E.R. ARAKELOVA; G.H. TOROSYAN

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A.F. HAMBARDZUMYAN National Polytechnic University of Armenia Author
N.N. HOVHANNISYAN National Polytechnic University of Armenia Author
H.R. GHARIBYAN National Polytechnic University of Armenia Author
S.G. ALOYAN National Polytechnic University of Armenia Author
E.R. ARAKELOVA National Polytechnic University of Armenia Author
G.H. TOROSYAN National Polytechnic University of Armenia Author

Keywords:

thin coatings, magnetron sputtering, polymer aging, photooxidation kine¬tics, oxygen barrier

Abstract

The photoprotection of high-pressure polyethylene films (HPPEf) is carried out by surface deposition of thin ZnO protective coatings (ТPC) with reduced UV transmittance and high oxygen permeability. The study of the photo-oxidation kinetics of these polymer materials shows that the retardation of aging is due to the suppression of photoinitiation.

SUPPRESSION THE PHOTOINTIATION AT AGING OF POLYETHYLENE FILMS BY THIN COATINGS OF ZnO

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