Curable mixtures of mesogenic epoxy resins and mesogenic polyami

Details Curable mixtures of mesogenic epoxy resins and mesogenic polyami Curable mixtures of mesogenic epoxy resins and mesogenic polyami

1992-06-29

1993-07-13

Bleutge, John C.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528 97, 528 98, 528 99, 528100, 528101, 528103, 528104, 528107, 525481, 525482, 525483, 525484, 525523, 525524, 525525, 525526, 528109, 528110, 528111, 528116, 528117, 528118, 528122, 528123, 528124, 528407, C08G 5900, C08G 6508, C08G 6514

Patent

active

052274527

ABSTRACT:
Compositions comprising epoxy resins containing one or more rodlike mesogenic moieties per molecule are cured with polyamines containing one or more rodlike mesogenic moieties per molecule. These curable compositions can be oriented by the application of an electric field or magnetic field or drawing and/or shear flow prior to and/or during curing. The resultant cured products exhibit an improvement in one or more physical and/or mechanical and/or thermal properties as compared to a like epoxy resin system which does not contain any rodlike mesogenic moieties.

REFERENCES:
patent: 3383360 (1968-05-01), Harrison
patent: 3408407 (1968-10-01), Cotter et al.
patent: 4762901 (1988-09-01), Dhein et al.
patent: 5093471 (1992-03-01), West

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