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Journal of Applied Polymer Science

Journal of Applied Polymer Science

IF: 2.7
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Decomposition of Irganox 1010 in plastic bonded explosives

Published:6 June 2022 DOI: 10.1002/app.52686
Chris E. Freye

Abstract

Degradation pathways of Irganox 1010 in aged plastic bonded explosive (PBX) 9501 were investigated using ultrahigh performance liquid chromatography coupled to quadrupole time of flight mass spectrometry (UHPLC-QTOF). Using a targeted approach, a total of 44 Irganox 1010 decomposition products were discovered. These decomposition products were formed through hydrolysis, scission, and/or oxidation of Irganox 1010. The hydrolytic decomposition of Irganox is a straightforward process resulting in the cleavage of the ester group(s) while oxidation and scission are more complicated and can happen at multiple locations on the Irganox 1010 molecule. Moreover, due to the symmetric nature of Irganox 1010, multiple decomposition reactions can occur. Indeed some decomposition products exhibited hydrolysis, oxidation, and scission. In order to probe any trends in the aged PBX 9501 samples, principal component analysis (PCA) was implemented. The greatest chemical differences between the aged PBX samples was hydrolysis of the ester functional groups on Irganox 1010. Despite the negative connotations of hydrolysis, the Irganox 1010 decomposition products are still able to function as a radical scavenger in PBX 9501 as intended.

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Related products
Procduct Name CAS Molecular Formula Supplier Price
Antioxidant 1010 6683-19-8 C73H108O12 536 suppliers $8.00-$727.65
(-)-COTININE 486-56-6 C10H12N2O 144 suppliers $27.70-$2083.00
TRANS-3'-HYDROXYCOTININE, METHYL-D3 159956-78-2 C10H9D3N2O2 23 suppliers $176.00-$1800.00
Pbx 4 Polyclonal Antibody 11 suppliers Inquiry

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