Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1989-05-05
1993-04-27
Gallagher, John J.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
1563075, 156310, 156315, 428420, B32B 3100, C09J 504
Patent
active
052058956
ABSTRACT:
A process for establishing bonded joints in the formation of multi-component adhered structures in which chemical bonding is established between adhesive and primer layers to provide for increased interlaminar strength. Curable resin primer layers are established on surfaces which are to be joined together in forming the multi-component structure. The primer resin is heated at a temperature and for a time period sufficient to expel substantial volatile matter from the resin, but insufficient to cross-link the resin to a completely cured state, thus leaving active bonding sites in the resinous primer layers. Bonding of the two components is provided by means of an intermediate adhesive layer between the mating surfaces. The adhesive layer is formed of a curable resin having bonding sites available for reaction with bonding sites in the primer resin. After joining the mating surfaces, the structure is heated to a temperature substantially in excess of that employed in partially curing the primer resin layer for a period of time sufficient to cure the adhesive and primer resins in the joint and establish chemical bonding between the interface of the adhesive and primer resins.
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Thompson, R., "Assembly of Fabricated Parts, Adhesive Bonding", Modern Plastics Encyclopedia, Oct., 1986, vol. 63, No. 10A, pp. 350-354, McGraw-Hill Publications Company, New York, N.Y.
Hohman, Jr. Alvin E.
Price Howard M.
Gallagher John J.
Loral Vought Systems Corporation
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