COMPUTERIZED METERING INSTALLATION FOR POWDER DYES

The Rotocolor metering installation for liquid and powder dyes, introduced by Lawer in 1989, is described. The basic Rotocolor unit consists of 10 tanks, each for a different dye. The unit can be expanded modularly in increments of 10 tanks up to a miximum of 100 tanks. Each tank has a dosing spindle that conveys pigment to the scales. Th..

JET RAPID -- JET DYEING UNDER FULLY SUBMERGED CONDITIONS

Laip has introduced the Jet Rapid Model 205HT, a jet dyeing macines that keeps the material to be dyed submerged in the liquor. The machine is offered in versions for 1, 2, or 3 ropes, and can be operated at temperatures of up to 145 degrees Centigrade. The jet Rapid Model 205HT is designed especially for polyester and polyester/viscose f..

FLEXIBILITY WITH INDIGO ROPE DYEING TECHNOLOGY

Greenville Machinery's system for indigo rope dyeing offers high production while occupying little floorspace and utilizing little energy. The double warp set (22 to 26 rope) and triple warp set (33 to 39 rope) ranges process 2 to 3 times the fabric of single warp set ranges. The process monitoring system controls nip roll pressure, dyeba..

GASTON JET DYEING MACHINE

Gaston's jet dyeing machine is suitable for dyeing or bleaching knit cotton and synthetic/cotton blends for innerwear, high-end outerwear, and actionwear. A unique fabric transport system allows fabric to move smoothly within the keir with little friction. The machine is available in capacities of 300, 400, 500, and 600 pounds. Use of thi..

ADSORBABLE ORGANIC HALOGENS IN TEXTILE EFFLUENTS

Restrictions on the discharge of organohalogens into wastewater are reviewed. Although the AOX (adsorbable organic halogen) parameter does not discriminate between hazardous and non-hazardoud substances, it does permit rapid, accurage identification and quantification of organic chlorides, bromides, and iodides. The application of the AOX..

COLOR CHANGE OF LIGHT-COLORED COTTON FABRICS DURING WASHING.

Light-colored cotton fabric samples were dyed with Indanthrene stable dyestuffs and washed at 95 degrees Centigrade with a perborated detergent, with and without optical brightener. The greatest color change occurred in the fabric samples that were washed in a detergent with an optical brightener, but were not pre-bleached in the mill. Th..

OXIDATIVE AND REDUCTIVE FADING OF MONOCHLOROTRIAZIBYL REACTIVE DYES ON CELLULOSE UNDER WET CONDITIONS.

The photofading of monochlorotriazinyl (MCT) reactive dyes on cellulose was examined under wet conditions in the absence or presence of oxygen. The dyes showed no fading in deaerated water, oxidative fading in aerated water, and reductive fading in the presence of DL-mandelate in nitrogen. C.I. Reactive Blue 2 and a phthalocyanine dye sho..

APPLICATION OF CHROME MORDANT DYES ON SILK

The feasibility of applying chrome mordant dyes on silk was evaluated, and the effect of different mordants on the color of dyed examples was evaluated. Seven chrome mordant dyes from Sandoz and 13 organic salts were used to dye plain woven mulberry silk fabric. The samples were dyed in a laboratory jigger dyeing machine. Reflectance data..

SOME PRACTICAL ASPECTS OF WATER ECONOMY IN THE TEXTILE INDUSTRY.

In India, the scarcity of large quantities of relatively pure water is a major problem for the textile industry. Bleaching and mercerizing use the greatest amount of water. An optimized sequence for wet processing that significantly decreases water consumption is presented. Washing, desizing, and mercerizing are particularly examined for ..

EMPHASIS ON QUALITY AND ECONOMY

The latest equipment for coloring and finishing carpets is reviewed. Fleissner's new dye liquor applicator head is designed to reduce the set-up time required for color changes by eliminating intermediate rinsing. The applicator can be used for the hot dy