NDLI: Characterization of a thermoplastic polyimidesulfone

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Characterization of a thermoplastic polyimidesulfone

Content Provider	NASA Technical Reports Server (NTRS)
Author	Dezern, J. F. Young, P. R.
Copyright Year	1985
Description	The detailed characterization of an experimental thermoplastic polyimidesulfone adhesive based on 3,3 prime-diaminodiphenylsulfone and 3,3 prime,4,4 prime-benzophenone tetracarboxylic dianhydride was studied. Model compounds were also examined. Thermal cyclization of the amide-acid to the imide was studied by a variety of techniques including DSC, TGA, MS, in situ diffuse reflectance-FTIR, and flow mearsurement. Characterizations were continued during the processing of adhesive tapes and the fabrication, bonding, and testing of lap shear specimens. Results provide fundamental insights into the role of cure chemistry, and the effects of residual solvent and volatile produces on processing and performance. These insights and the resulting chemical models should lead to more efficient processing cycles for these and other related thermoplastic adhesive systems.
File Size	760615
Page Count	40
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19850010825
Archival Resource Key	ark:/13960/t9s22vg0g
Language	English
Publisher Date	1985-02-01
Access Restriction	Open
Subject Keyword	Nonmetallic Materials Solvents Thermoplastic Resins Precipitation Chemistry Chemical Effects Polyimides Curing Mechanical Properties Adhesive Bonding Thermal Stability Sulfones Reflectance Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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