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On the thermal oxidative degradation of foamed rigid polyurethane

✍ Scribed by A.G. Dement'ev; D.P. Mironov; O.G. Tarakanov; Ye.A. Gurov; Ye.V. Belova; B.A. Kalinin

Book ID
118965830
Publisher
Elsevier Science
Year
1978
Weight
360 KB
Volume
20
Category
Article
ISSN
0032-3950

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Immediately after heating rigid foam polyurethane (PU) at 165"C, it degrades in accordance with the degradation mechanisms suggested by Abu-&id et al. in earlier publications. However, after three days all photoacoustic spectra (PAS) bands indicative of PU degradation almost disappeared, and the sam