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

1993-06-08

Bleutge, John C.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528 96, 528 97, 528 98, 528 99, 528100, 528101, 525523, 525524, 525525, 525533, 525481, 525482, 525483, 525484, 525488, C08G 5900, C08G 6508, C08G 6514

Patent

active

052180620

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: 2698315 (1954-12-01), Greenlee
patent: 3383360 (1968-05-01), Harrison
patent: 3408407 (1968-10-01), Cotter et al.
patent: 4072656 (1978-02-01), Hartmann
patent: 4153621 (1979-05-01), Hartmann
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patent: 4611046 (1986-09-01), Chatta
patent: 4611047 (1986-09-01), Chatta
patent: 4762901 (1988-09-01), Dhein et al.
patent: 4791154 (1988-12-01), Corley et al.
"Amine Cured Glass Fibre Composites", Varma et al., Indian Journal of Technology, vol. 21, Jul. 1983, pp. 265-267.

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