Drawable high tensile strength aramids

Details Drawable high tensile strength aramids Drawable high tensile strength aramids

C - Chemistry, Metallurgy

08

G

402/238

C08G 69/32 (2006.01) D01F 6/80 (2006.01) D02J 1/22 (2006.01)

Patent

CA 2040302

CR-8842-B TITLE DRAWABLE HIGH TENSILE STRENGTH ARAMIDS ABSTRACT OF THE DISCLOSURE Aramids which after drawing have high tensile strengths and tensile moduli are made from units derived from selected 2,2'-disubstituted-4,4'-diaminobiphenyls, p-phenylenediamine, oxydianiline and terephthalic acid. Also disclosed is a process for drawing such aramids at least 1.5%, which results in the drawn aramid having significant crystallinity and higher tensile strength. The aramids are useful for ropes and composites.

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