Study of the degradation of epoxy resins used in spacecraft components by thermogravimetry and fast pyrolysis was written by Torres-Herrador, Francisco;Eschenbacher, Andreas;Blondeau, Julien;Magin, Thierry E.;Geem, Kevin M. Van. And the article was included in Journal of Analytical and Applied Pyrolysis in 2022.Synthetic Route of C13H12O2 The following contents are mentioned in the article:
Predicting the demisability upon re-entry of space debris objects is of great importance due to the threat these objects pose if they were to fall in an inhabited area. In particular, carbon/epoxy composite materials have been found on Earth in several occasions. Accurate models to assess the demisability of such components require, in particular, detailed thermal degradation data for the epoxy resin. In this work, we analyze a resin used to manufacture such components, using thermogravimetric anal. (TGA), organic elemental anal., and pyrolysis coupled to comprehensive two-dimensional gas chromatog. The epoxy resin rapidly decomposed in a relatively narrow range of temperatures (300-400 oC) in more than 70 different volatile products. A one-step kinetic model is proposed for the pyrolysis of epoxy based on thermogravimetry observations. The information on the species and elemental composition can be used to develop more accurate material degradation models for predicting the demisability upon re-entry of space debris. This study involved multiple reactions and reactants, such as 4,4′-Methylenediphenol (cas: 620-92-8Synthetic Route of C13H12O2).
4,4′-Methylenediphenol (cas: 620-92-8) belongs to alcohols. Similar to water, an alcohol can be pictured as having an sp3 hybridized tetrahedral oxygen atom with nonbonding pairs of electrons occupying two of the four sp3 hybrid orbitals. The most common reactions of alcohols can be classified as oxidation, dehydration, substitution, esterification, and reactions of alkoxides.Synthetic Route of C13H12O2
Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts