Curable epoxy resin compositions with 9,9'-bis(4-aminophenyl)flu

Details Curable epoxy resin compositions with 9,9'-bis(4-aminophenyl)flu Curable epoxy resin compositions with 9,9'-bis(4-aminophenyl)flu

1995-09-22

1998-03-17

Wilson, Donald R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

523466, 525113, 528 97, 528124, C08G 5950, C08L 6302, C08K 340, C08K 310

Patent

active

057287554

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.

REFERENCES:
patent: 3459713 (1969-08-01), Saran et al.
patent: 3825506 (1974-07-01), Carter
patent: 4684678 (1987-08-01), Schultz et al.
patent: 4769399 (1988-09-01), Schenz
patent: 4882370 (1989-11-01), Jordan et al.
patent: 5276106 (1994-01-01), Portelli et al.
patent: 5369192 (1994-11-01), Ko et al.
Miller, "The Structure of Polymers", Reinhold Publishing Corp., New York, pp. 290-291 (1966).
Chemical Abstracts, vol. 88, No. 2, 9 Jan. 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) 28 Jun. 1977.
"Low Flammability Epoxy Polymers Via 9,9-Bis(4,4'-aminophenyl)fluorene", Holloway, Aug. 1984.

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