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Second-generation PMR polyimides
- Source :
- NASA Tech Briefs. 1(3)
- Publication Year :
- 1977
- Publisher :
- United States: NASA Center for Aerospace Information (CASI), 1977.
-
Abstract
- Continuing research has resulted in development of polyimides with improved thermo-oxidative stability at 589 K. Polyimides are based on dimethyl ester of 4,4'-(hexafluoro-isopropylidene)-bis(phthalic acid) (HFDE) and p-phenylenediamine (PPDA) and NE.
- Subjects :
- Materials
Subjects
Details
- Language :
- English
- ISSN :
- 0145319X
- Volume :
- 1
- Issue :
- 3
- Database :
- NASA Technical Reports
- Journal :
- NASA Tech Briefs
- Publication Type :
- Report
- Accession number :
- edsnas.19760000359
- Document Type :
- Report