Process for photochemical stabilization of polyamide and polyure

Details Process for photochemical stabilization of polyamide and polyure Process for photochemical stabilization of polyamide and polyure

1985-05-21

1987-04-07

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Color protecting process for dyed product

8602, 8605, 8623, 8624, 8628, 8924, 8926, 556 33, 556 34, D06P 164, D06P 324, D06M 1350

Patent

active

046557857

ABSTRACT:
A process for the photochemical stabilization of undyed and dyed polyamide or polyurethane fibre material that is characterized in that the fibre material is treated with a water soluble, organic copper, manganese or nickel complex that displays an affinity for the fibres. The polyamide or polyurethane fibre material, e.g., textile, that has been so treated retains its stretch characteristics and elasticity even after prolonged periods of illumination. In addition, in the case of dyed material, treatment with the metal complex results in a marked improvement in light-fastness.

REFERENCES:
patent: 3203752 (1965-08-01), Mills et al.
patent: 3226178 (1965-12-01), Walker
patent: 3361710 (1968-01-01), Sparks
patent: 4253843 (1981-03-01), Bannisaw
patent: 4383835 (1983-05-01), Preuss et al.

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