The room-temperature mechanical properties of a closed-cell, polyurethane encapsulant foam were measured as a function of foam density. Over the range of densities examined, the modulus could be described by a power-law relationship with respect to density. This power-law relationship was the same f
Polyurethane-infiltrated carbon foams: A coupling of thermal and mechanical properties
β Scribed by Timothy J. Bunning; Hong G. Jeon; Ajit K. Roy; Kristen M. Kearns; Barry L. Farmer; Walter W. Adams
- Publisher
- John Wiley and Sons
- Year
- 2003
- Tongue
- English
- Weight
- 462 KB
- Volume
- 87
- Category
- Article
- ISSN
- 0021-8995
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Quasi-static compression tests have been performed on polyurethane foam specimens. The modulus of the foam exhibited a power-law dependence with respect to density of the form: E\* Ο° (\*) n , where n Ο 1.7. The modulus data are described well by a simple geometric model (based on the work of Gibson
A series of rigid interpenetrating network foams (IPNFs) based on a rosinbased polyurethane (PU) and a crosslinked epoxide resin (ER) were prepared by a simultaneous polymerization technique. The morphology, mechanical properties, thermal stability, and changes in the chemical structure during the t