Thermal Study of Polyurethane Elastomers Based on Biopitch–PEG–MDI System
✍ Scribed by R. C. S. Araújo; V. M. D. Pasa
- Book ID
- 110325458
- Publisher
- Springer Netherlands
- Year
- 2002
- Tongue
- English
- Weight
- 96 KB
- Volume
- 67
- Category
- Article
- ISSN
- 0022-5215
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The thermal degradation of a polyurethane elastomer based on 4,4 -diphenylmethane diisocyanate, poly(ethyleneadipate) diol copolyester and extended with 1,4-butanediol has been studied by simultaneous thermogravimetry and differential scanning calorimetry analysis, in nitrogen atmosphere, up to 600
## Abstract The various pathways of degradation of polyurethane based on MDI and propoxylated trimethylol propane were studied from the analysis of degradation gases sampled at various temperatures during the heating rise. From the beginning of degradation (250°C) to 400°C, we suggest that the main