Preparation of terephthaloyl-terephthal/oxal copolyhydrazide con

Details Preparation of terephthaloyl-terephthal/oxal copolyhydrazide con Preparation of terephthaloyl-terephthal/oxal copolyhydrazide con

1978-10-04

1980-07-22

Anderson, Harold D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

81155, 525419, 528271, 528363, C08K 310

Patent

active

042138906

ABSTRACT:
Flame retardant films and fibers of zinc chelates of terephthaloyl-terephthalic/oxalic copolyhydrazides, the oxalic dihydrazide and terephthalic dihydrazide units having a molar ratio in the range of 19:6 to 6:19. The products aftertreated with an oxalic acid solution are colorless.

REFERENCES:
patent: 3060550 (1962-10-01), Smith
patent: 3607810 (1971-09-01), Schopf et al.
patent: 3661502 (1972-05-01), Meyer et al.
patent: 3748298 (1973-07-01), Dobinson et al.
patent: 3847842 (1974-11-01), Suzuki et al.
Journal of Polymer Science, Pt. A, vol. 2, pp. 1825-1832 (1964).

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