Terminal-modified imide oligomer composition

Details Terminal-modified imide oligomer composition Terminal-modified imide oligomer composition

1990-04-24

1992-09-08

Carrillo, Ana L.

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

Synthetic resins

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

525432, 525436, C08L 7908

Patent

active

051459167

ABSTRACT:
A composition of terminal-modified imide oligomers is disclosed. The composition comprises a flexible terminal-modified imide oligomer (A) and a rigid terminal-modified imide oligomer (B). The flexible terminal-modified imide oligomer (A) is selected from specific oligomers (I) and (II). The rigid terminal-modified imide oligomer (B) is selected from specific oligomers (III) and (IV). The oligomer (I) is formed from biphenyltetracarboxylic acid or its derivative, an aromatic diamine compound (a) and an unsaturated monoamine compound or an unsaturated carboxylic acid or its derivative. The oligomer (II) is formed from biphenyltetracarboxylic acid or its derivative and an unsaturated monoamine compound. The oligomer (III) is formed from biphenyltetracarboxylic acid or its derivative, an aromatic diamine compound (b) and an unsaturated monoamine compound or an unsaturated carboxylic acid or its derivative. The oligomer (IV) is formed from pyromellitic acid or its derivative, an aromatic diamine compound (c) and an unsaturated monoamine compound or an unsaturated carboxylic acid or its derivative. The aromatic diamine compound (a) has two or more aromatic rings which are combined with each other directly or by a divalent group consisting of one, two or three atoms. The aromatic diamine compound (b) has only one aromatic ring or condensed ring. The aromatic diamine compound (c) may have two or more aromatic rings as is defined in the compound (a), or may have only one aromatic ring or condensed ring as is defined in the compound (b).

REFERENCES:
patent: 4996101 (1991-02-01), Landis et al.
patent: 5011905 (1991-04-01), Lubowitz et al.

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