Biphenytetracarboxylic acid-derived polyimides with polyepoxides

Details Biphenytetracarboxylic acid-derived polyimides with polyepoxides Biphenytetracarboxylic acid-derived polyimides with polyepoxides

1990-01-19

1992-09-15

Sellers, Robert E.

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

Synthetic resins

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

525504, 525533, C08L 6302, C08L 6304, C08L 6308, C08L 7908

Patent

active

051479435

ABSTRACT:
A thermosetting resin composition useful for heat-resistant adhesive agents and cured shaped articles, comprising (A) a terminal imide oligomer having hydroxyl groups prepared, in an organic medium, from a biphenyltetracarboxylic acid ingredient, an aromatic diamine ingredient and a modifying monoamine ingredient having at least one hydroxy group, and exhibiting a logarithmic viscosity number of 0.01 to 1 at 30.degree. C., and (B) an organic compound having at least two epoxy groups, the imide oligomer optionally being in the state of a partial reaction product of the above-mentioned ingredients.

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patent: 4820779 (1989-04-01), Schoenberg
patent: 4948831 (1990-08-01), Nishi et al.

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