Study of the mechanism of the synergistic action of nickel stearate and 2,2′-thiobis-(-4-tert-octylphenol) in the photo-oxidation of polypropylene

doi:10.1016/0141-3910(91)90004-B

Paper

Study of the mechanism of the synergistic action of nickel stearate and 2,2′-thiobis-(-4-tert-octylphenol) in the photo-oxidation of polypropylene

Published 1991 · Pan Jiangqing, Li Jianxing, W. Dianxun

Polymer Degradation and Stability

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Abstract

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Study Snapshot

The combination of nickel stearate and 2,2′-thiobis-(tert-octyphenol) effectively protects polypropylene from photo-oxidation, with the mechanism likely involving the formation of a nickel-thiobisphenol chelate during heat processing.

PopulationOlder adults (50-71 years)

Sample size24

MethodsObservational

OutcomesBody Mass Index projections

ResultsSocial networks mitigate obesity in older groups.

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Paper

Study of the mechanism of the synergistic action of nickel stearate and 2,2′-thiobis-(-4-tert-octylphenol) in the photo-oxidation of polypropylene

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References

Origin and role of the luminescent species in the photo‐oxidation of commercial polypropylene

The luminescent species in commercial polypropylene are primarily associated with enone and dienone chromophores, which may participate in photo-oxidation processes.

The Photooxidative Degradation of Polypropylene. Part II. Photostabilization Mechanisms

Polypropylene photodegradation can be significantly reduced by using UV stabilizers, which can extend its outdoor lifetime and improve the durability of films, fibers, and moldings.

The Photooxidative Degradation of Polypropylene. Part I. Photooxidation and Photoinitiation Processes

Photooxidative degradation of polypropylene (PPH) and poly(l,3-phenylene isophthalamide) is highly dependent on the polymer structure, with outdoor lifetimes ranging from a few months for PPH to several years for PET, methyl methylacrylate, and tetra

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