Thermosettable epoxide-polyanhydride compositions

Details Thermosettable epoxide-polyanhydride compositions Thermosettable epoxide-polyanhydride compositions

1977-03-04

1978-06-27

Lieberman, Paul

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 4228, 260836, 260837R, C08K 714, C08L 6300

Patent

active

040974480

ABSTRACT:
A homogeneous mixture of a polyanhydride and an epoxy compound is prepared by the copolymerization of an olefinically unsaturated monomer capable of polymerization by free-radical means with an olefinically unsaturated monoanhydride and an olefinically saturated polyanhydride in the presence of a saturated epoxy compound and an anhydride accelerator without substantial anhydride-epoxide cross-linking. As an example, reinforcing glass fibers are impregnated with a solution of styrene, maleic anhydride, styrene-maleic anhydride copolymer, phenyl glycidyl ether and 1-methylimidazole and the resin is thickened in situ by copolymerization of the styrene, maleic anhydride and styrene-maleic anhydride copolymer to form a moldable, homogeneous mixture of styrene-maleic anhydride copolymer, phenyl glycidyl ether, 1-methylimidazole and reinforcing glass fibers.

REFERENCES:
patent: 3306954 (1967-02-01), Moore
patent: 3453246 (1969-07-01), Heilman et al.
patent: 3514419 (1970-05-01), Darlow
patent: 3579487 (1971-05-01), Hazen et al.
patent: 3594354 (1971-07-01), Hazen et al.
patent: 3637904 (1972-01-01), Barie et al.
patent: 3717557 (1973-02-01), Peterson
patent: 3852236 (1974-12-01), Heilman
patent: 3997499 (1976-12-01), Heilman et al.
patent: 4017453 (1977-04-01), Heilman et al.

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