Process for producing polyamides with lactam or urea solvent and

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof

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528312, 528314, 528315, 528319, 528331, 528341, 528348, C08G 6928

Patent

active

041729382

ABSTRACT:
An aromatic polyamide having a high degree of polymerization is produced by polymerizing

REFERENCES:
patent: 3063966 (1962-11-01), Kwolek et al.
patent: 3966686 (1976-06-01), Asakura et al.
Fiber Forming Aromatic Polyamides, Man Made Fibers, vol. 2, (1968), p. 301.
Polymer Science (U.S.S.R.) Federov et al., 12, #10-12, pp. 2475-2491 (1970).
Polimery-Chodkowski et al. (1971) pp. 514-515, 16 (11).

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