Fiber-forming polyhydrazides

Details Fiber-forming polyhydrazides Fiber-forming polyhydrazides

1975-04-29

1976-05-18

Lee, Lester L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 302, 260 326N, C08G 7308

Patent

active

039577350

ABSTRACT:
Fiber-forming polyhydrazides prepared from oxalic dihydrazide, terephthalic dihydrazide, malonic dihydrazide and terephthaloyl chloride are provided. Yarns made from these polyhydrazides are useful in tire cord applications and retain greater tenacity when plied into cord than yarns made from corresponding polyhydrazides from which the malonic dihydrazide has been omitted.

REFERENCES:
patent: 3130182 (1964-04-01), Frazer
patent: 3130183 (1964-04-01), Frazer
patent: 3238183 (1966-03-01), Frazer
patent: 3632548 (1972-01-01), Raleigh
patent: 3642707 (1972-02-01), Frazer
patent: 3748298 (1973-07-01), Dobinson et al.
patent: 3787348 (1974-01-01), Dobinson et al.

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