Whitening of polyester fibers

Details Whitening of polyester fibers Whitening of polyester fibers

1975-04-22

1977-09-13

Schofer, Joseph L.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 21C, 8179, 25230121, 542457, 542400, 542429, D06P 520

Patent

active

040478874

ABSTRACT:
Process for the whitening of polyester fibers or mixed fibers of polyesters and cellulose with dispersion fluorescence whitening agents by the pad-thermosol process in the presence of a water-soluble alkali methal tetraborate, alkali metal silicate, alkali metal aluminium sulphate, alkali metal polyphosphate or alkali metal sulphate.

REFERENCES:
patent: 3066005 (1962-11-01), Wedemeyer et al.
patent: 3255232 (1966-06-01), Cohen
patent: 3347617 (1967-10-01), Ulrich et al.

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