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Patent Searching and Data


Title:
LAMINATE
Document Type and Number:
Japanese Patent JPS6169841
Kind Code:
A
Abstract:
A composite, such as a pre-preg or a laminate of layers of such a pre-preg, comprising therrnally stable continuous fibres, especially carbon or graphite flbres, optionally sized with amide-imide polyrner, and a resin matrix comprising (I) an amide-imide copolyrner comprising recurring A min units of wherein the free carboxyl groups are ortho to one amide group, Z is a trivalent benzene ring or lower-alkyl-substituted trivalent benzene ring, R1 and R2 are different and are divalent aromatic hydrocarbon radicals of from about 6 to about 10 carbon atoms or two divalent aromatic hydrocarbon radicals of from about 6 to about 10 carbon atoms joined directly or by stable linkages selected from the group consisting of -O-, methylene, -CO-, -SO2-, and -S- radicals, alone or in combination with (II) an amide-imide-phthalamide copolymer comprising units of: where R5 is the same as R1 and as R4, X is a divalent aromatic radical and Z is a trivalent benzene ring or lower-alkyl-substituted derivative thereof and R3 and R4 are different and may each be chosen from the choices given for R1 and R2, and optionally (III) a polyetherimide; and wherein optionally at least some of the free carboxylic acid groups in the repeating units are condensed with amide groups in the ortho position thereto to form imide groups.

Inventors:
COLE BILL WAYNE (US)
BROOKS GARY THOMAS (US)
Application Number:
JP18158185A
Publication Date:
April 10, 1986
Filing Date:
August 19, 1985
Export Citation:
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Assignee:
AMOCO CORP
International Classes:
B32B27/04; B32B27/34; C08G73/14; C08J5/04; C08J5/24; C08L77/00; C08L79/08; (IPC1-7): B32B27/04; C08G73/14; C08J5/04
Attorney, Agent or Firm:
Kyozo Yuasa