Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1979-11-15
1981-03-10
Lieberman, Paul
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
525422, 525524, C08L 6302, C08L 6300, C08L 6948, C08L 7710
Patent
active
042553024
ABSTRACT:
An epoxy resin system for use in the wet winding of high strength filament wound pressure vessels with aramide fiber. The resin system is composed of a mixture of a plurality of distinct epoxy resins and aromatic curing agents. The epoxy resins were selected to impart particular properties required for the filament winding process and to improve the strength of filament wound pressure vessels. Aromatic amine curing agents were selected to alter the time/temperature gel and cure conditions of the system without significantly altering the final strength of the pressure vessels. The resin system is nominally composed of a mixture of a commercially available epoxy resins comprising diglycidyl ether of bisphenol A, a diglycidyl ester of linoleic dimer acid, and a diglycidyl ether of butanediol and the aromatic amine curing agent comprises a mixture of methylenedianiline and metaphenylenediamine in a 60/40 ratio by weight. The ratios of the components are selected to meet the specific processing needs and the final product requirements.
REFERENCES:
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patent: 4077927 (1978-03-01), McPherson
patent: 4115599 (1978-09-01), Taylor
patent: 4117361 (1978-09-01), Smith
Chiao, T. T., Epoxy System For Filament Winding, Chemical Abstracts, vol. , 86,923F, (1975).
Chiao, T. T., Filament Wound Kevlar 49/Epoxy Pressure Vessels, Chemical Abstracts, 82:100,642x, (1975).
Chiao, T. T., Performance of Filament Wound Vessels From and Organic Fiber in Several Epoxy Matrixes, Chemical Abstracts 84: 74979g (1976).
Chiao, T. T., Screening of Epoxy Systems for High Perforamance Filament Winding Applications, Chemical Abstracts, 84: 74,932m, (1976).
Chiao, T. T., High Performance Vessels From an Aromatic Polyamide Fiber/Epoxy Composite, Chemical Abstracts, 85: 109,593b, (1976).
Adams Leo G.
Hoffman Richard E.
Curry Charles D. B.
Lieberman Paul
Sciascia R. S.
The United States of America as represented by the Secretary of
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