An easy way to test fibre for the presence of a fluorochemical is to cut a couple of fibres from a non traffic area and apply a few drops of oil and water mix. When it beads up, then there is an active fluorochemical present.
Whenever testing for the presence of the acid dye blocker, you should again cut a couple of fibres from a non traffic area, then immerse the fibres in a red kool-aid mixture and wait for 5 minutes or so. Remove the fibre from the liquid and flush with neutral detergent solution. Whenever the acid blockers are present and active, there will be no discoloration.
The fibre nylon was introduced first by the DuPont Chemical Company in 1938. Several years later, after a great deal of development, nylon became the first synthetic fibre to be used in the entire carpeting industry.
The first 3 generations of fibre experienced many problems with the worst being staining. The 4th generation fibre of nylon had a mill applied coating that solved a majority of the staining problems. The ability of the fibre to repel water and oil based spills as well as soil helped to propel nylon into the top selling carpet fibres out there.
After various other changes, the DuPont Company introduced the fifth generation nylon fibre. This stain repellent fibre would repel most dye stains if treated in a reasonable time. This fibre is more accurately called an acid dye blocker in that it doesn’t permit acid dyes to penetrate and stain the fibre.
The protective coating mill is applied and fills the dye sites with anionic molecules.
The fibre of polyester was first introduced into the garment industry around in the 1950s. By the late 1960s, polyester was introduced into the carpet industry as a face yarn. In hand, feel, and appearance it is similar to nylon, although it doesn’t possess that same resiliency.
Polyester doesn’t absorb water based spills, isn’t affected through urine or kool-aid, but it will absorb oil based spills. Polyester is non allergenic and mildew resistive.
Both of these fibres were first used as carpet yarns roughly the late 1940s. They disappeared around 1988 due to the competition from other fibers. In was reintroduced to the market roughly 1990 in Berber styling.
This was done so that souls could take advantage of the wool like appearance, hand feel, and the fact that it’s more spot resistant, much easier to clean, and not damaged in the ways that wool is.
Olefin is the latest of the synthetic fibres to be adapted to carpets. Once only uncommitted in continuous filament, it is now produced in staple form as well. Olefin has a wide assortment of uses that include primary and secondary backing of tufted carpets, warp yarns, and other uses as well.
Uchenna Ani-Okoye is an internet marketing advisor
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