The Boeing Company

Stephen R Barnes

Thomas J Lowe

Kay Youngdahl Blohowiak

Robert A Anderson

William B H Grace

Matthew S Tillman

William Bh Grace

A multi-layer film adhesive for reducing squeeze out in a bonded joint is provided. The multi-layer film adhesive has a first adhesive layer having a first chemical property. The multi-layer film adhesive further has a second adhesive layer having a second chemical property, wherein the second chemical property is different from the first chemical property. The multi-layer film adhesive further has a third adhesive layer having a third chemical property, wherein the third chemical property is different from the first and second chemical properties. The first adhesive layer, the second adhesive layer, and the third adhesive layer form the multi-layer film adhesive.

Multi-layer film adhesive

There is provided a multi-layer adhesive for reducing squeeze out. The multi-layer adhesive comprises a first adhesive layer having a first adhesive property and a second adhesive layer having a second adhesive property. The second adhesive property is different from the first adhesive property. The first adhesive layer and the second adhesive layer form a film adhesive. In another embodiment, there is provided a structure comprising a first component and a second component bonded with the multi-layer adhesive.

The present invention provides a metallic member reinforcing epoxy-based adhesive coating. The epoxy-based adhesive coating including a first epoxy material containing approximately 25% solids by weight and a second curative material containing about 32% solids by weight. According to one aspect of the present invention, the first epoxy offered suitably includes about 3% to about 35% liquid Diglycidylether of Bisphenol-A, about 35% to about 60% solid Diglycidylether of Bisphenol-A, about 10% to about 30% Novolac-Epoxy, and about 5% to about 18% Solid Carboxy&mdash;Terminated Acrylonitrile&mdash;Butadiene Rubber, and the second curative material suitably includes about 0% to about 100% 4,4&prime;-Diaminodiphenylsulfone, about 0% to about 100% 3,3&prime;-Diaminodiphenylsulfone, and about 0% to about 0.2% Chromium octoate.

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Rainier, WA, United States of America

Stephen R Barnes