Adhesion between carbon fibers and thermoplastic matrix material

Details Adhesion between carbon fibers and thermoplastic matrix material Adhesion between carbon fibers and thermoplastic matrix material

1990-05-08

1992-04-21

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

427384, 4274346, 428297, 428375, 428373, 428408, 428902, 428378, 156178, 156181, B05D 302, B05D 118, D02G 300, B32B 900

Patent

active

051066807

ABSTRACT:
Adhesion between carbon fibers and thermoplastic matrix materials, used in carbon fiber composite materials, is promoted by the use of a bridging agent. The composite material includes: a plurality of carbon fibers; a thermoplastic matrix material intermingled among the plurality of carbon fibers; and a bridging agent adhering the plurality of carbon fibers to the thermoplastic matrix material. The bridging agent includes compounds having multifunctional groups that are capable of chemically bonding with a functional group of the carbon fiber and a functional group of the thermoplastic matrix material; but it excludes multifunctional amine compounds having metal-oxygen bonds.

REFERENCES:
patent: 4489129 (1984-12-01), Shue et al.
patent: 4842933 (1989-06-01), Cizmecioglu
DeVilbiss, T. A. et al., "Surface Characterization in Composite and Titanium Bonding: Carbon Fiber Surface Treatments for Improved Adhesion to Thermoplastic Polymers," Final Report to NASA-Langley Research Center, Grant No. NAG-1-343, Sep., 1987.
Bascom, W. D., "Interfacial Adhesion of Carbon Fibers," NASA Contractor Report 178306, Contract NAS 1-17918, Aug. 1987.
Bascom, W. D. et al., "The Adhesion of Carbon Fibers To Thermoset and Thermoplastic Polymers," Conference: Chemistry and Properties of High Performance Composites: Designed Especially for Chemists. West Point, N.Y., Oct., 1988.
Bascom, W. D., "Suface and Interfacial Properties of Carbon Fibers," NASA-CR-182890, Process Report NAG-1-706, Oct. 1, 1987-Apr. 15, 1988.
Hamdan, S. et al., "The Surface Treatment and Adhesion Bonding of Polyetheretherketone, Part I. Adhesive Joint Strength," Journal of Adhesion Sciecne and Technology, vol. 1, (1987), pp. 281-289.
Peacock, J. A. et al., "Examination of the Morphology of Aromatic Polymer Composite (APC-2) Using an Etching Technique," Composite Interfaces, H. Ishida and J. L. Koenig, Eds., Elsevier Publishing Co., Inc., (1986), pp. 299-305.
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