Stock material or miscellaneous articles – Composite – Of epoxy ether
Patent
1999-10-15
2000-04-25
Wilson, Donald R.
Stock material or miscellaneous articles
Composite
Of epoxy ether
523457, 523466, 525113, 528 97, 528124, B32B 2738, C08G 5950, C08L 6302
Patent
active
060542217
ABSTRACT:
Curable epoxy resin compositions, preferably solvent-free, wherein a fluorene amine curative is partially melt dissolved and partially dispersed as a solid in at least one aromatic polyepoxide. The compositions provide prepregs which exhibit tack with surprisingly good shelf life properties. Cured composites comprising the prepregs are also provided. The cured composites exhibit little resin migration and glass transition temperatures that are comparable to those of cured neat resins.
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Chemical Abstracts, vol. 88, No. 2, Jan. 9, 1978, Columbus Ohio, U.S.; Abstract No. 7984, L. CSILLAG, E.A.: "Highly reactive, storeage stable epoxy resin composition" XP002019353 see abstract & HU,A, 13 436 (Villamosipari Kutato Intexet) Jun. 28, 1977.
"Low Flammability Epoxy Polymers Via 9,9-Bis(4,4'-aminophenyl)fluorene", Holloway, Aug. 1984.
M.L. Miller, "The Structure of Polymers," Reinhold Publishing Corp., New York, NY, pp. 290-291 (1966).
Clemens Timothy J.
Hackett Steven C.
Weigel Mark D.
3M Innovative Properties Company
Wilson Donald R.
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