NASA NTRS · 19810059244
Elastomer-toughened polyimide adhesives
Abstract
A 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.
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Saint Clair, A. K., Saint Clair, T. L.. 1980-01-01. Elastomer-toughened polyimide adhesives. https://ntrs.nasa.gov/citations/19810059244
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