Thermooxidative stability of crosslinked polypropylene

Thermooxidative stability of crosslinked polypropylene was investigated. Surprisingly high stability was observed when polypropylene was crosslinked with peroxide in the presence of coagents p-benzoquinone or hydroquinone. It is suggested that binding of the coagent into a polymer network prevents t...

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Veröffentlicht in:	Polymer degradation and stability 1986, Vol.16 (3), p.213-220
Hauptverfasser:	Chodák, I., Matisová-Rychlá, L.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Chemical reactions and properties Degradation Exact sciences and technology Organic polymers Physicochemistry of polymers
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	Thermooxidative stability of crosslinked polypropylene was investigated. Surprisingly high stability was observed when polypropylene was crosslinked with peroxide in the presence of coagents p-benzoquinone or hydroquinone. It is suggested that binding of the coagent into a polymer network prevents the outlet of the quinone from the polymer at oxidation temperature. This is the main reason for the increase of thermooxidative stability due to crosslinking.
ISSN:	0141-3910 1873-2321
DOI:	10.1016/0141-3910(86)90027-3