This is the first of a series of papers concerned with the general problem of thermal degradation and oxidation of polymers. Part I consists of a description of the technique used and the results obtained on butylated melamineformaldehyde and urea-formaldehyde resins. The course of the degradation and/or oxidation is followed by observing the changes occurring in the infrared absorption bands which are associated with various functional groups present in the polymer or being generated by oxidation. Other polymers which have been studied, or are presently being studied, include: Formvar and urea formaldehyde-epoxy copolymers, polyesters, acrylics, phenols, novolacs, polybenzyl, and various silicon polymers.
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Lady et al. (1960) studied this question.