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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Bibliographic Details
Published in:Polymer degradation and stability 1986, Vol.16 (3), p.213-220
Main Authors: Chodák, I., Matisová-Rychlá, L.
Format: Article
Language:English
Subjects:
Applied sciences
Chemical reactions and properties
Degradation
Exact sciences and technology
Organic polymers
Physicochemistry of polymers
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Summary: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