methods of textile finishing

Hauser, in Chemical Finishing of Textiles, 2004. The jet machine is increasingly important in high-temperature dyeing of synthetic fibres, especially Another machine, the jig, has a V-shaped trough holding the dye liquor and guide rollers to carry the cloth at full width between two external, powered rollers. In general, the higher the standard of fastness, the more expensive the dye, and the final choice may be a compromise between the desired fastness standards and the cost of the dyes. It is also called engraved-roller printing or cylinder printing machine. Finishing is nay of a number of procedures like thread trimming, removal of excess backing or topping, spot or soil removal or steaming that are performed between completion of embroidery and packaging. Our editors will review what you’ve submitted and determine whether to revise the article.The dyeing of a textile fibre is carried out in a solution, generally aqueous, known as the dye liquor or dyebath.

But if the fabric contains more than one kind of fibre and they differ in dyeing properties, then mixtures of different application classes of dyes are used.Loose stock consists of randomly distributed wool or cotton fibres; tow is the corresponding term for synthetic fibres. 10.4.2 Textile finishing. This printing method is fundamentally different from other printing techniques. For true dyeing (as opposed to mere staining) to have taken place, the coloration must be relatively permanent—that is, not readily removed by rinsing in water or by normal washing procedures. Once your account is created, you'll be logged-in to this account. ASTM's textile standards provide the specifications and test methods for the physical, mechanical, and chemical properties of textiles, fabrics, and cloths, as well … Optical finishes: Lustre may be imparted to a fabric by physical means. If the substance to be dyed consists of only one type of fibre, such as wool, the dye mixture will be made up solely of wool dyes. The dye liquor is circulated by an impeller and moves through a perforated false bottom that also houses the open steam pipe for heating. Textile finishing processes comprise washing, bleaching, dyeing and coating, as applied to bulk textiles or garments following weaving and/or production of synthetic materials. Articles from Britannica Encyclopedias for elementary and high school students. When it rolls across the fabric, the dye on the roller transfers to the fabric.Screen printing is a method whereby an open, but closely meshed screen, mounted in a wooden or metal frame, is placed in contact with the fabric to be printed and the print paste forced through the screen by a squeegee.In rotary-screen printing, continuous rotation of a cylindrical screen while in contact with the fabric ensures genuinely continuous Print paste is fed into the inside of the screen and during printing is forced out through the design areas with the aid of a stationary squeegee.Transfer printing is the term used to describe textile and related printing processes in which the design is first printed on to a flexible non-textile substrate and later transferred by a separate process to a textile. Texfilesbd.com is a Website for Articles about Textile Industry, PDF Books and Study Materials for Textile Engineering Students.Website for Articles about Textile Industry, PDF Books, Study Materials, and guidelines for Textile Engineering Students. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica.Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. We also get your email address to automatically create an account for you in our website. Evenness of dyeing, known as levelness, is an important quality in the dyeing of all forms of natural and synthetic fibres.

We also get your email address to automatically create an account for you in our website. It is the simplest and oldest technique and is similar to stamping. Embroidery Finishing Methods. Singeing or Gassing In this process one or both sides of a fabric are passes rapidly over a gas flame to burn off the protruding fibers. Inkjet printing is mainly used to produce patterns on carpets. Moreover, the dyeing must not fade rapidly on exposure to light.

The cloth is wound onto each roller alternately; that is, the cloth is first moved forward, then backward, through the dye liquor until dyeing is complete.

Principles of Textile Finishing presents the latest information on textile finishing for industry professionals and researchers who are new to the field. Textile - Textile - Dyeing and printing: Dyeing and printing are processes employed in the conversion of raw textile fibres into finished goods that add much to the appearance of textile fabrics.

Sliver is a more orderly arrangement of fibres in a loosely connected, continuous form suitable for Modern dyeing machines are made from stainless steels. Nonwoven bonded fabrics are, by definition, textiles and they can be finished in exactly the same way as other textiles such as woven or knitted fabrics.

Textile finishing provides a method whereby deficiencies in the textile can be corrected or specific properties can be introduced. Blocks are made of wood, metal, plastic or hard paper and designs are hand-carved.