Method of producing dyed nylon walk-off mats having improved was

Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor

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1563099, 8497, 8543, 8549, 8924, 8929, B32B 528, D06P 310

Patent

active

RE0366684

ABSTRACT:
A method of making a dyed nylon walk-off mat having improved washfastness includes dyeing nylon yarn, or a tufted nylon mat, in a fiber reactive dye solution having a pH in the range of about 0.5 to about 2.5. The yarn is then heated, such as by steam, at a temperature above 200.degree. F., after which the yarn is treated with an alkaline solution followed by a heat treatment. A backing, such as of rubber or vinyl, is applied to the mat at an elevated temperature. The application of the backing at elevated temperature, and the heat treatment subsequent to application of the alkaline solution, may be performed simultaneously.

REFERENCES:
patent: 4871604 (1989-10-01), Hackler
patent: 5131914 (1992-07-01), Kelley
patent: 5131918 (1992-07-01), Kelley
patent: 5198278 (1993-03-01), Sumimoto et al.
patent: 5445653 (1995-08-01), Hixson et al.
patent: 5445860 (1995-08-01), Bova
patent: 5484455 (1996-01-01), Kelley
"Printing Acid and Cationic Dyeable Nylon With Remalan Dyes" Hoechst Celanese, Mar. 1993, 2 pages.

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