Terminal-modified imide oligomer composition

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

1993-07-20

1995-10-24

Miller, Edward A.

Compositions

Chemically interactive reactants

25218219, 525421, 525422, C09K 300, C08F28304

Patent

active

054607469

ABSTRACT:
A terminal modified imide oligomer fusible at a relatively low temperature and usable for prepregs free from solvent or as a hot melt-type binder, includes (A) an unsaturated imide compound prepared by a reaction of a substituted nadic anhydride with an aromatic diamine and provided with terminal unsaturated hydrocarbon groups and imide groups located in inside portions of the compound molecule and (B) a terminal modified imide oligomer prepared by a reaction of (a) a carboxylic acid component comprising (i) 2,3,3',4'-biphenyltetracarboxylic anhydride and (ii) a substituted or unsubstituted nadic anhydride, with (b) a diamine component comprising at least one aromatic diamine, provided with terminal unsaturated hydrocarbon groups and imide groups located in inside portions of the oligomer molecule and having a logarithmic viscosity number of 0.03 to 1.0, determined in a concentration of 0.5 g/100 ml in N-methyl-2-phyrrolidone at 30.degree. C.

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