Aromatic polyamides and their production

Details Aromatic polyamides and their production Aromatic polyamides and their production

C - Chemistry, Metallurgy

08

G

402/239, 18/599

C08G 69/36 (2006.01) C08G 69/32 (2006.01) D01D 5/06 (2006.01) D01F 6/80 (2006.01)

Patent

CA 1051594

NOVEL AROMATIC POLYAMIDES AND THEIR PRODUCTION Abstract of the Disclosure The specification discloses an aromatic polyamide comprising (1) a unit of the formula; Image and (2) a unit of the formula: Image and being excellent in strength, rigidity and heat resistance and improved in light resistance, flexibility and wear resistance, which can be produced by polycondensation of a diamine component comprising N,N'-bis(p-aminobenzoyl)-ethylene- diamine and p-phenylenediamine, the content of the N,N'-bis(p- aminobenzoyl)ethylenediamine being from about 0.6 to 50 mol %, with a dicarboxylic acid component comprising terephthalic acid or its reactive derivative in a substantially equimolar amount to the diamine component in an amide polar solvent. The poly- amide can be used to prepare shaped products such as fibers and films, and especially as material for tyre cords and plastic reinforcing agents.

220276

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