Optically brightened polyesters with 2,5-bis-(p-carboalkylstyryl

Details Optically brightened polyesters with 2,5-bis-(p-carboalkylstyryl Optically brightened polyesters with 2,5-bis-(p-carboalkylstyryl

1977-05-09

1978-06-20

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8179, 25230128, 260307G, D06P 138, C09K 1100

Patent

active

040959392

ABSTRACT:
This invention concerns optically brightened polyester materials and, in particular, formed polyester articles such as fibers containing certain 2,5-bis(p-carboalkoxystyryl)oxadiazole compounds such as 2,5-bis(4'-carbomethoxystyryl)-1,3,4-oxadiazole. These compounds impart exceptional brightness to the polyester and themselves have good fastness and stability properties.

REFERENCES:
patent: 3963738 (1976-06-01), Irick et al.
Venkataraman, K., "The Chemistry of Synthetic Dyes," vol. V, (Academic Press, 1971), p. 657.

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