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Replacement of mda with more oxidatively stable diamines in pmr-polyimides
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Alston, W. B. |
| Copyright Year | 1985 |
| Description | Studies are performed to investigate the effect of substituting 4,4'-oxydianiline and 1,1-bis(4-aminophenyl)-1-phenyl-2,2,2-trifluoroethane for the 4,4'-methylenedianiline in PMR polyimide matrix resin. Graphite fiber reinforced composites are fabricated from unsized Celion 6000 and PMR-polyimide matrix resins having formulated molecular weights in the range of 1500 to 2400. The composite processing characteristics are investigated and the initial room temperature and 316 C (600 F) composite mechanical properties are determined. Comparative 316 C composite weight losses and 316 C mechanical properties retention after prolonged 316 C air exposure are also determined. |
| File Size | 8368186 |
| Page Count | 19 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19860001808 |
| Archival Resource Key | ark:/13960/t5gb6zz87 |
| Language | English |
| Publisher Date | 1985-09-01 |
| Access Restriction | Open |
| Subject Keyword | Nonmetallic Materials Shear Strength Mechanical Properties Crosslinking Laminates Monomers Polyimide Resins Thermal Stability Fabrication Diamines Prepregs Oxidation Resistance Curing Carbon Fiber Reinforced Plastics Replacing Room Temperature Resin Matrix Composites Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Article |
