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Elastomer-toughened polyimide adhesivesA study has been conducted to determine the effects of added elastomers on the Tg, thermal stability, adhesive strength, and fracture toughness of LARC-13, a high-temperature addition polyimide adhesive. Various butadiene/acrylonitrile and silicone elastomers were incorporated into the polyimide resin (1) as physical polyblends, and (2) by chemically reacting the elastomers with the polyimide backbone. Adhesive single lap-shear and T-peel strengths were measured before and after aging at elevated temperature. A tapered double-cantilever beam specimen was used to determine the fracture toughness of the elastomer-modified polyimide adhesives.
Document ID
19810059244
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Saint Clair, A. K. (NASA Langley Research Center Hampton, VA, United States)
Saint Clair, T. L. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
August 11, 2013
Publication Date
January 1, 1980
Subject Category
Composite Materials
Meeting Information
Meeting: National Technical Conference on Materials 1980
Location: Seattle, WA
Start Date: October 7, 1980
End Date: October 9, 1980
Accession Number
81A43648
Distribution Limits
Public
Copyright
Other

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