Complex OR NOVELTY YARNS

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Complex ORNOVELTY YARNS

• Textile Science
• Yarns
• FCS TS 4
• M. Chatelain

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Fancy Yarns

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

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What are fancy yarns made of?

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

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Why are they called novelty yarns?

• The yarns are unique and create a novel look to
  the fabric
• These novelty yarns add visual interest to the
  construction of fabrics

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How are novelty yarns classified?

• Number of parts in yarn
• Usually classified for the effect that dominates
  the yarn (slub, tweed, spiral, boucle, etc)

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How are novelty yarns used?

• 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

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What are some of the common novelty yarns?

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

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Tweed

• Single spun novelty yarn
• Has flecks of short colored fibers that add its
  characteristic tweed appearance

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Slub Yarn

• 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

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Spiral or Corkscrew Yarns

• 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.

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Ratine Yarns

• 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

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Knot Yarn

• 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

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Spike Yarns

• The effect yarn forms open loops along both sides
  of a yarn
• Spike yarns are utilized in apparel and
  furnishings

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Boucle Yarns

• Also known as loop or curl yarns
• Effect yarn forms closed loops at regular
  intervals
• Create a look like lambskin

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Metallic Yarns

• May be made with a single or ply yarn
• Metallic component is made with actual metal
  parts or a ultrafine plastic fiber

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Chenille Yarns

• 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