Method of dyeing carpet

Details Method of dyeing carpet Method of dyeing carpet

1984-05-10

1986-04-08

Coe, Philip R.

Bleaching and dyeing; fluid treatment and chemical modification

Fluid treatment

Special forms and forming

8158, 8485, 8929, 8932, 68205R, D06B 102, D06B 2100

Patent

active

045803048

ABSTRACT:
The method of dyeing a continuously moving carpet pile fabric with a base color and thereafter applying other color dyes onto the base color and fixing all of the dyes without the use of steam. The dyeing process employs a dye applicator to which a heated dye solution is supplied and this dye is sprayed onto the carpet while at a temperature of approximately 185.degree. F. to 205.degree. F. to provide the base color. The base color dye is applied with a wet pick-up of approximately 200 percent to 300 percent. Thereafter while the carpet is still hot from the wetting by the hot dye, other color dyes at substantially ambient temperatures are independently sprayed onto the carpet at spaced locations while the carpet is still in the temperature range of approximately 165.degree. F. to 175.degree. F. The total amount of additional dye applied subsequent to the base color dye provides a wet pick-up of approximately 120 percent. The base color dye is fixed substantially instantly, and each of the other dyes are fixed substantially on contact with the carpet.

REFERENCES:
patent: 3523749 (1970-08-01), MacLeod et al.
patent: 4361019 (1982-11-01), Maund

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