Dyed synthetic fiber comprising silver-substituted zeolite and c

Details Dyed synthetic fiber comprising silver-substituted zeolite and c Dyed synthetic fiber comprising silver-substituted zeolite and c

1991-05-03

1993-01-19

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Process of preserving substrate combined with dyeing or...

8624, 8680, 8685, 8924, 428323, 523122, D06P 500, D01F 110

Patent

active

051804026

ABSTRACT:
A dyed synthetic fiber having antibacterial and antifungal properties is described, which contains 0.01 to 20 weight % of a silver-substituted zeolite and 0.001 to 1.0 weight % of a substantially water-insoluble copper compound. The copper compound is present independent of zeolite particles in the fiber. The dyed synthetic fiber is prepared by incorporating a silver-substituted zeolite in a monomer or a polymerization mixture before the completion of polymerization in the step of preparing a polymer for the fiber; further incorporating the copper compound in the polymer before the spinning thereof into a fiber; spinning the polymer into a fiber; and dyeing the fiber. The dyed fiber retains a high level of antibacterial and antifungal properties.

REFERENCES:
patent: 4775585 (1988-10-01), Hagiwara et al.
patent: 4849223 (1989-07-01), Pratt
patent: 4906464 (1990-03-01), Yamamoto et al.
patent: 4911898 (1990-03-01), Hagiwara et al.
patent: 4938955 (1990-07-01), Niira et al.
patent: 4938958 (1990-07-01), Niira et al.

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