Bleaching and dyeing; fluid treatment and chemical modification – Fluid treatment – Special forms and forming
Patent
1984-10-15
1986-04-01
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
045788367
ABSTRACT:
The method of dyeing a continuously moving carpet pile fabric with a heated base color dye and either thereafter applying other color dyes onto the base color or applying the other color dyes prior to the base color, all of the dyes being fixed by the heat of the base color dye and without the use of steam. The dyeing process employs a dye applicator to which is 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. The other color dyes, which are pattern colors, at substantially ambient temperatures are independently sprayed onto the carpet at spaced locations either before the heated dye is applied or subsequent to the hot dye while the carpet is still in the temperature range of approximately 165.degree. F. to 175.degree. F. The total amount of pattern color dye applied to the carpet 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 heated dye.
REFERENCES:
patent: 3523749 (1970-08-01), MacLeod
patent: 4361019 (1982-11-01), Maund
Otting Billy J.
Otting David L.
Coe Philip R.
Otting International, Inc.
Ruderman Alan
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