Elastomeric fibers dyeing

Elastic recovery, 19 744 in olefin fibers, 11 227—228 Elastic scattering, 24 88-89 Elastic springs, in virtual two-way SMA devices, 22 346-347 Elastic waves, 17 422 Elastohydrodynamic (EHD) lubrication regime, 15 211-212 Elastomer-coated dies, in bar soap manufacture, 22 752 Elastomer designations, ASTM, 9 552t Elastomeric fibers, dyeing, 9 204 Elastomeric polycarboranylsiloxanes,... 

Elastomeric polyurethane fibers [96, pp. 609-615], are contained in stretch articles and in knitted fashion materials. Light shades can be dyed tone-on-tone on polyamide-polyurethane mixtures with disperse dyes at 95-98°C and pH 6-7. However, the wetfastness of these dyeings on polyurethanes is lower than on polyamide. Because of the temperature sensitivity of polyurethane fibers, mixtures of elastomeric and polyester fibers must be dyed with small-molecular, rapidly diffusing disperse dyes in 30 min at 120 °C according to the HT process [148], Modified PES fibers that are dyeable at 100°C without a carrier are often used in mixtures with elastomeric fibers. In all dyeing processes for elastomeric fibers, dyeing equipment that permits low-strain guidance of the material and the lowest possible thermal stress are important. 

For end uses demanding high dye lightfastness such as automotive iaterior fabrics, select premetallized dyes and uv inhibitors are appHed through the dye bath (179—182). Nylon can also be codyed with polyurethane elastomeric fibers, wool, acryflcs, polyesters, and ceUulosics (183). 

MAJOR USES Used in the production of polyurethane foams, dyes, isocyanate resins, polyamides, rubber and elastomeric fibers antioxidant for lubricating oils corrosion preventative curing agent. 

OTHER COMMENTS used as an intermediate in the preparation of polyurethane foams, elastomeric fibers, and polyamides used in industry as a curing agent for epoxy resins and urethane elastomers, and as a corrosion inhibitor for iron useful in the determination of tungsten and sulfates has also been used in the preparation of azo dyes, as a rubber processing chemical, and as an epoxy resin hardening agent. 

Diaminodiphenylmethane is an aromatic diamine used as a curing agent in epoxy resins of the bisphenol A type, as in the production of plastics, isocyanates, adhesives, elastomers, polyurethane (elastic and rigid foams, paints, lacquers, adhesives, binding agents, synthetics rubbers, and elastomeric fibers) and butyl rubber. Diaminodiphenylmethane is also a by-product of azo dyes. It is also possibly formed by hydrolysis of diphenylmethane-4,4 -diisocyanate. 

Amines - [BUTADIENE] (Vol 4) - [COFFEE] (Vol 6) - [DISTILLATION, AZEOTROPTC AND EXTRACTIVE] (Vol 8) - [FIBERS - ELASTOMERIC] (Vol 10) - [EXTRACTION - LIQUH-LIQUID] (Vol 10) - [STEAM] (Vol 22) -aromatic [AMINES - AMINES,AROMATIC - ] (Vol 2) -as corrosion inhibitor [CORROSION AND CORROSION CONTROL] (Vol 7) -cycloaliphatic [AMINES - CYCLOALIPHATIC AMINES] (Vol2) -diazotization of [AZO DYES] (Vol 3) -fatty [AMINES - FATTY AMINES] (Vol 2)... 

Uses Pesticide intermediate mfg. of phenol, chloronitrobenzene, aniline, DDT, silicone resins, dyes, perfumes, polysulfone solvent carrier for methylene diisocyanate solvent for paints, pesticides, degreasing processes, pharmaceuticals heat transfer medium adhesive rubbers and adhesives primer or adhesive additive for adhering elastomeric coatings to syn. fiber fabrics coated with syn. rubber surf, coating dry cleaning intermediate for halogen synthesis in food-pkg. adhesives adjuvant for PC food-pkg. resins solvent in food-contact polysulfone rGsins... 

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