Thermoset polymers and prepolymers obtained by polycondensation

Details Thermoset polymers and prepolymers obtained by polycondensation Thermoset polymers and prepolymers obtained by polycondensation

1984-08-24

1985-06-25

Phynes, Lucille M.

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

Synthetic resins

From aldehyde or derivative thereof as reactant

264137, 26433122, 427290, 528237, 528238, 528242, 528245, 528266, 528269, 528302, C08G 1208

Patent

active

045255733

ABSTRACT:
The object of the invention are new thermoset polymers and prepolymers, a process for their preparation, and their uses. The new thermoset prepolymers consist, at least in part, of the polycondensation products of one or more pyridine derivatives containing at least two activated methyl groups with one or more aromatic monoaldehydes containing at least one hydroxyl group. These prepolymers are used to prepare composite materials, in particular laminates, that can be used at high temperatures.

REFERENCES:
patent: 3994862 (1976-11-01), Ropars et al.
patent: 4362860 (1982-12-01), Ratto et al.

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