Molecular Composites: Processing, Post-Treatment and Mechanics
Abstract
Composites of poly(p-phenylene benzobisthiazole( (PBT) with nylons and with poly(ether ether ketone) (PEEK) were prepared in fiber and film form. Fiber and film spinning from dilute solutions in methane sulfonic acid (MSA) along with compression molding and sheet spinning were used to prepare materials for testing. Composite fibers of PBT and nylons exhibit tensile properties comparable to those previously reported for nylon/PBT materials. The mechanical and thermomechanical properties can be dramatically improves by post-treatment under tension at temperatures exceeding the melting point of the nylon. The torsional modulus is decreased somewhat by such post-processing and is in the range of 700 to 1000 GPa. Films of nylon/PBT material can be compression molded into larger articles, but the strength can be attributed to behavior of nylon alone.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jul 01, 1987
- Accession Number
- ADA184458
Entities
People
- C. A. Gabriel
- C. F. Hwang
- M. F. Malone
- O. A. Nehme
- R. J. Farris
Organizations
- Wright Laboratory