Drawable high tensile strength aramids

Details Drawable high tensile strength aramids Drawable high tensile strength aramids

1992-06-19

1994-05-10

Lovering, Richard D.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

25218311, 528344, 528348, C08G 6926, C09K 300

Patent

active

053108612

ABSTRACT:
Aramids, which in the drawn state have high tensile strengths tensile elongations, and tensile moduli, are made from units derived from p-phenylenediamine, terephthalic acid, a substituted terephthalic acid, and 4,4'-bibenzoic acid or 2,6-naphthalene dicarboxylic acid. The aramids are useful for ropes and composites.

REFERENCES:
patent: 3063966 (1962-11-01), Kwolek et al.
patent: 3354127 (1967-11-01), Hill, Jr. et al.
patent: 4507467 (1985-03-01), Shimada et al.
patent: 4962181 (1990-10-01), Vora
patent: 4987215 (1991-01-01), Keil et al.
patent: 4987216 (1991-01-01), Keil et al.
patent: 5177175 (1993-01-01), Kiriyama et al.

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