Chemical finishing of textiles

This damage can be prevented by the use of antiseptics, bacteria controlling products containing quaternary ammonium salts, and phenol derivatives. If the fabric becomes very wet, water will eventually pass through. The fabric is passed to through hot, fast-moving stainless steel cylinders.

Uploader: Yojora
Date Added: 14 August 2018
File Size: 12.45 Mb
Operating Systems: Windows NT/2000/XP/2003/2003/7/8/10 MacOS 10/X
Downloads: 74424
Price: Free* [*Free Regsitration Required]

Non-slip finishes give the filaments a rougher surface. The most common type of anti-static finishes are fabric softeners. These polymer finishes are also capable of imparting a soft and smooth handle to synthetic fabric without making it water repellent. Rinishing the other hand, post-setting can be combined with some other operations such as Thermasol dyeing or optical brightening of polyester.

He is working with one European textile machinery company as a country agent. Wool Glazing This is done on a special machine, which is used to perform tsxtiles finishing on wool fabrics after raising.

Finishing (textiles)

Fulling or tetiles is a method of thickening woollen material to make it more water-resistant. He is also a contributor of Wikipedia. Enzymes, such as cellulase for cotton, selectively remove protruding fibers.

During calendering, the yarns in the fabric are squashed into a flattened elliptical shape; the intersections are made to close-up between the yarns. These finishes are currently achieved only with silicone-based products. It is a platform to express your knowledge throughout the world.

The colour it reflects is defined by the structure of ifnishing molecule, and particular the parts of the chromogen molecule called the chromophore group. The calender machines may have several rollers, some of which can be heated and varied in speed, so that in addition to pressure a polishing action can be exerted to increase lustre.

Improve the finiahing to chemicals washes such as mild bleachingdry cleaning and commercial washing. Dyestuffs containing heavy metals can also act as antiseptics.

The process involves passing fabric through a calendar in which a highly polished, usually heated, steel bowl rotates at a higher surface speed than the softer e. Such finishes have been applied to towels, cloth diapers, underwear, sports shirts and other items where moisture absorption is important. The percentage of textile auxiliaries used in different process is shown in Fig. This is also a mechanical finish, acquired by feeding the fabric between a roller and rubber blanket, in such a way the rubber blanket compresses the weft threads and imparts compressive shrinkage.

He is working with one European textile machinery company as a country agent. The mechanical properties remain, on the other hand, unaltered, as the treatment is limited to the first molecular layers. Hence the sequence of finishing operations is likely to be different. Recently, fabrics have been developed that are waterproof, yet are also breathable Water-Repellent Finishes Water-repellent finishes resist wetting.

Fire Resistant or Flame Retardant finish: Pills are masses of tangled fibres that appear on fabric surfaces during wear or laundering. Mercerisation makes woven cotton fabric stronger, more lustrous, to have better dye affinity, and to be less abrasive. Textile Finishing is a process used in manufacturing of fiber, fabric, or clothing. Colorfastness Improving Finish Colour fastness is the resistance of a material to change in any of its colour characteristics, to the transfer of its colourants to adjacent materials or both.

Sanforizing or Pre-shrinking prevents a fabric and the produced garment from shrinking after production. Stain and Soil Resistant Finishes Prevent soil and stains from being attracted to fabrics. Textile arts Textile industry Textile chemistry.

Textile auxiliaries are used in finishing.

Importance of Chemical Finishing in Textile - Textile Learner

The grey cloth ,woven cotton fabric in its loom-state, not only contains chenical, including warp size, but requires further treatment in order to develop textils full textile potential. In other words, an elemental analysis of a fabric treated with a chemical finish will be different from the same analysis done prior to the finishing. The humid and warm environment found in textile fibers encourages the growth of the microbes.

Oil and Water Proofing Waterproof Finishes -Allows no water to penetrate, but tend to be uncomfortable because they trap moisture next to the body.

Comments 4

Leave a Reply

Your email address will not be published. Required fields are marked *