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Degradation of polymer blends-II. Oxidative radiolysis and stabilization of blends of low-density polyethylene and styrene-butadiene-styrene copolymers

par David, Christiane ;Zabeau, Françoise
Référence European Polymer Journal, 21, 4, page (343-347)
Publication Publié, 1985

Article révisé par les pairs

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Résumé :

The solubility, infra-red and mechanical properties have been studied for LDPE-SBS blends irradiated with γ-rays in the presence of oxygen. The results have been compared with those obtained for the oxidative radiolysis of pure LDPE and for the photo-oxidation of the same LDPE-SBS blend. The oxidative degradation mainly occurs in the polybutadiene part of the blend. Efficient stabilization by hindered amines Tinuvin 770 is reported. © 1985.