Textile ScienceYarns

FCS – TS – 4M. Chatelain

Deliberately created with differing parts Irregular at intervals Differences may be: Subtle Very obvious Random

Single ply, or Plied, or Cord, or Any combination of yarn types

The yarns are unique and create a “novel” look to the fabric

These novelty yarns add visual interest to the construction of fabrics

Number of parts in yarn Usually classified for the effect that

dominates the yarn (slub, tweed, spiral, boucle, etc)

For a variety of applications Add permanent interest to plain fabrics Used only in the filling direction of the

weaving process because it is more economical

Tweed Slub Spiral or Corkscrew Ratine Knot, spot, nub, or knop Spike or snarl Loop or boucle Metallic chenille

Single spun novelty yarn Has flecks of short colored fibers that add

its characteristic “tweed” appearance

A single, spun novelty yarn A yarn that has obvious thick and thin

parts The thicker part is referred to as the

“slub” Typically used in shantung , drapery, and

upholstery fabrics

Have 2 or more plies of yarn The plies may differ in color, twist, size,

or type Have a spiral or corkscrew appearance These yarns are used for both furnishings

and apparel.

Ply is twisted in a spiral pattern around a ground ply

A longer loop is thrown out at intervals, kinks back on itself and is held in place by a binder yarn

Ratine yarns are mainly used in furnishings

Also referred to as spot, nub, or knop yarns

Made by twisting the effect yarn many times in the same place to form the “knot”, “spot”, etc.

Knot yarns are used in apparel and furnishings

The effect yarn forms open loops along both sides of a yarn

Spike yarns are utilized in apparel and furnishings

Also known as loop or curl yarns Effect yarn forms closed loops at regular

intervals Create a look like lambskin

May be made with a single or ply yarn Metallic component is made with actual

metal parts or a ultrafine plastic fiber

Produced by cutting specially woven ladderlike fabric into warpwise strips

Cut ends of the softly twisted yarns loosen and form a fringe

Weaving of strips produce a pile on 1 or both sides

Chenille yarns are used in fur