Handleable, thermosettable epoxide-polyanhydride compositions

Details Handleable, thermosettable epoxide-polyanhydride compositions Handleable, thermosettable epoxide-polyanhydride compositions

1977-03-04

1978-06-27

Lieberman, Paul

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 4228, 260836, 260886, 260837R, C08K 714, C08L 6300

Patent

active

040974499

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