Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1992-06-05
1993-08-31
Kight, III, John
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525432, 528125, 528128, 528170, 528171, 528172, 528173, 528188, 528220, 528229, 528310, 528322, 528328, 528351, 528353, C08G 6926
Patent
active
052410188
ABSTRACT:
The terminal-modified imide oligomer composition capable of being cured within a short time and of being converted to a shaped, cured resin article having a high mechanical strength, heat resistance and elastic modulus, comprises a rigid, high molecular weight aromatic polyimide (I) produced by polymerizing and imidizing a tetracarboxylic acid component comprising at least one biphenyltetracarboxylic acid compound with an amine component comprising at least one aromatic diamine compound (a) having at least one cyclic structure and two amino groups directly attached to the cyclic structure; a flexible imide oligomer (II) produced by polymerizing and imidizing the tetracarboxylic acid component, with a diamine component comprising at least one aromatic diamine compound (b) having at least two cyclic structures and two amino groups attached directly or through a divalent bonding member to the cyclic structures and a monoamine component comprising at least one monoamine compound (c) having an unsaturated hydrocarbon group; a reactive monomer (III) having a unsaturated hydrocarbon group; and optionally, a rigid, terminal-modified imide oligomer (IV) produced by polymerizing and imidizing the tetracaboxylic acid component with the diamine component (a) and the monoamine component (c), and is usable as a heat resistant bonding material, matrix resin of composite material and resin composition for shaped articles, and thus useful for producing aircraft and machines or devices for the space industry.
REFERENCES:
patent: 5081196 (1992-01-01), Yamamoto et al.
patent: 5128444 (1992-07-01), Inoue et al.
European Search Report.
Fujii Kazuyoshi
Hirano Yasuo
Yamamoto Shinji
Cooney Jr. John M.
Kight III John
Ube Industries Ltd.
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