Textile Fabrics: Plant and Animal Yarns

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Questions and Answers

Which fabric is known for requiring the least amount of water to produce?

  • Hemp
  • Cotton
  • Jute (correct)
  • Linen

What is one of the major advantages of cotton as a textile?

  • It thrives on chemical treatments.
  • It is highly flammable and creases easily.
  • It is easy to recycle. (correct)
  • It is very strong and does not require water.

Which plant fabric is characterized by being very strong and light?

  • Hemp
  • Jute
  • Cotton
  • Linen (correct)

What is a disadvantage of using jute fabric?

<p>It is uncomfortable to wear due to its rough surface. (B)</p> Signup and view all the answers

Which fabric requires no chemical treatment for cultivation?

<p>Hemp (D)</p> Signup and view all the answers

Which of the following statements about linen is incorrect?

<p>It requires chemical inputs for growth. (D)</p> Signup and view all the answers

What characteristic does hemp share with flax?

<p>It can be processed in similar ways. (B)</p> Signup and view all the answers

Which method contributes to the production of linen fabric?

<p>Retting the flowers to release fibers. (A)</p> Signup and view all the answers

Which of the following best describes the use of cotton compared to jute?

<p>Cotton is cheaper and requires more water. (C)</p> Signup and view all the answers

What is one reason why jute fabric is still limited in clothing use?

<p>It is uncomfortable to wear due to its rough texture. (D)</p> Signup and view all the answers

Which weaving technique allows for creative freedom without limits on design?

<p>Jacquard weaving (A)</p> Signup and view all the answers

What is the primary benefit of applying a finish to twill fabrics?

<p>To prevent distortion (C)</p> Signup and view all the answers

What type of weave is characterized by a small weave ratio and is known as the strongest?

<p>Canvas weave (B)</p> Signup and view all the answers

In knitting, what does a higher gauge indicate?

<p>Finer fabric (A)</p> Signup and view all the answers

Which fabrics are included in the category of twill?

<p>Denim and Gabardine (D)</p> Signup and view all the answers

What is the unique feature of satin weave compared to other weaves?

<p>Shiny surface produced by floats (B)</p> Signup and view all the answers

Which step follows the preparation of the real thread in fabric manufacturing?

<p>Warping (B)</p> Signup and view all the answers

What is essential for ensuring the quality and resistance of finished textiles?

<p>Textile finishing (C)</p> Signup and view all the answers

Which types of yarn treatments contribute to fabric dyeing later in the production process?

<p>Combing and soaking (B)</p> Signup and view all the answers

Which of the following is a characteristic of flat bed knitting machines?

<p>They knit components for garments with specific built-in shapes. (B)</p> Signup and view all the answers

Which animal fabric provides very high levels of thermal insulation while remaining light?

<p>Angora wool (B)</p> Signup and view all the answers

What is a significant environmental concern with cashmere production?

<p>Exhaustion of land due to goat population increase (D)</p> Signup and view all the answers

Which of the following wool types is highly flammable?

<p>Lambswool (C)</p> Signup and view all the answers

What distinguishes silk as a luxury material?

<p>Slippery and supple quality (C)</p> Signup and view all the answers

Which wool type is most sensitive to moths?

<p>Lambswool (C)</p> Signup and view all the answers

What is a major issue with the tanning process of leather?

<p>Pollution from waste water (D)</p> Signup and view all the answers

Which type of wool tends to become piled based on its quality?

<p>Wool from Australia (C)</p> Signup and view all the answers

What negative aspect is associated with the care of Angora wool?

<p>Difficulty due to hairiness (C)</p> Signup and view all the answers

From which animal is cashmere obtained?

<p>Goat (B)</p> Signup and view all the answers

What factor greatly influences the cost of silk?

<p>Length of the fibers (D)</p> Signup and view all the answers

Which material's production raises ethical questions regarding animal welfare?

<p>Silk (D)</p> Signup and view all the answers

What defines the best quality of silk?

<p>Longer fibers (A)</p> Signup and view all the answers

What is a drawback of wool in garments?

<p>It can cause irritation (A)</p> Signup and view all the answers

How many goats are required to make a jumper from cashmere?

<p>5 (B)</p> Signup and view all the answers

What is the primary source of synthetic fibers?

<p>Petroleum and its derivatives (C)</p> Signup and view all the answers

Which synthetic fabric is known for its softness and is often used as a replacement for silk?

<p>Lyocell (C)</p> Signup and view all the answers

Which characteristic is common among synthetic fabrics?

<p>They release micro-particles when washed (B)</p> Signup and view all the answers

What is a notable property of polyamide (nylon)?

<p>It can become electric quickly (A)</p> Signup and view all the answers

Acrylic fabrics are known for their:

<p>Ability to provide lightness (B)</p> Signup and view all the answers

What percentage of polyester produced is used for clothing?

<p>70% (B)</p> Signup and view all the answers

Which of the following statements about elasthane is true?

<p>It stretches up to 400 times its original length (B)</p> Signup and view all the answers

Synthetic fabrics are often mixed with which property in mind?

<p>Improved maintenance and durability (B)</p> Signup and view all the answers

Which synthetic fabric is the most widely produced in the world?

<p>Polyester (D)</p> Signup and view all the answers

What is a common environmental concern associated with synthetic fabrics?

<p>The pollution from their manufacturing process (B)</p> Signup and view all the answers

How does viscose compare to other synthetic fibers in terms of shrinkage?

<p>It always shrinks in the wash (D)</p> Signup and view all the answers

Which of the following is NOT a typical characteristic of synthetic fabrics?

<p>Always biodegradable (C)</p> Signup and view all the answers

What feature makes polyester a popular choice for clothing?

<p>Strong but lightweight (A)</p> Signup and view all the answers

Which of the following synthetic materials is known to provide good extensibility?

<p>Elasthane (B)</p> Signup and view all the answers

Flashcards

Viscose

A synthetic fabric obtained from chemically transformed wood pulp, known for its durability, affordability, and ease of maintenance. It is widely used in the textile industry but shrinks in the wash.

Lyocell

A synthetic fabric often called Tencel, made from wood pulp. It is known for its softness and is a good alternative to silk at a lower cost.

Polyamide

A synthetic fabric also known as nylon, obtained from petroleum products. It is often used for underwear and sportswear due to its strength and suppleness. It can become electrically charged quickly.

Acrylic

A synthetic fabric obtained from petroleum products. It is available in various forms, from matte to glossy, and known for its lightness. It ages poorly compared to other synthetics.

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Polyester

The most widely produced synthetic fabric in the world, made from petroleum products. It is used for clothing, upholstery, and other applications. Available in different forms, from matt to gloss, it is very strong and durable.

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Elasthane

A synthetic fabric present in most garments. It is barely visible in its spinning form and is known for its extensibility and elasticity. It can stretch up to 400 times its original size and return to its initial position. It conforms to the body's shape but cannot be dyed.

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Cotton

A natural fiber derived from the cotton flower, known for its softness, absorbency, and versatility. It is widely used in clothing, home furnishings, and other textile applications.

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Linen

A natural fiber obtained from the flax plant, renowned for its strength, durability, and breathability. It is often used in high-quality linens, tablecloths, and clothing.

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Hemp

A natural fiber derived from the hemp plant, known for its strength, sustainability, and environmental friendliness. It is increasingly used in clothing, textiles, and construction materials.

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Jute

A natural fiber obtained from the jute plant, known for its strength, affordability, and environmental friendliness. It is widely used in packaging, rope, and other industrial applications.

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Retting

A process used to separate the fibers from the flax plant, which involves soaking the stalks in water to decompose the outer layers.

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Organic Cotton

A natural fiber obtained from the cotton flower that is grown without the use of synthetic pesticides or fertilizers. It is considered more environmentally friendly than conventional cotton.

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Water-intensive Cotton Production

The process of growing cotton that requires a significant amount of water, often leading to environmental concerns.

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Chemical Cotton Production

The use of chemical products in cotton cultivation, which can have negative impacts on the environment and human health.

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Treating Hemp for Comfort

The process of making hemp textiles more comfortable to wear, often requiring specialized techniques or chemical treatments.

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Jute in the Food Industry

The use of jute fibers in making ropes and cloth for the food industry.

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Wool

Wool is a natural fiber obtained from the fleece of sheep. Australia is the leading producer of wool, known for its quality and versatility.

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Lambswool

Lambswool is a type of wool obtained from young lambs, known for its softness and fine texture.

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Merino Wool

Merino wool is a specific breed of sheep known for producing exceptionally fine, soft, and luxurious wool.

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Cashmere

Cashmere is a luxurious fiber obtained from the undercoat of a specific breed of goat found in the high plateaus of Asia. It is renowned for its softness, warmth, and luxurious feel.

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Angora Wool

Angora wool is a fiber obtained from the coat of Angora rabbits known for its softness and silky feel.

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Silk

Silk is a natural protein fiber obtained from the cocoons of silkworms. It is known for its luxurious feel, shine, and strength.

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Leather

Leather is a durable and versatile material obtained from the tanned hides or skins of animals, primarily cows. It is known for its strength, durability, and natural beauty.

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Wool's Vulnerability to Moths

Wool's susceptibility to moths can be a concern. Wool items should be stored properly to prevent moth damage.

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Cashmere's Sustainability Concerns

Cashmere's high demand and limited supply create a significant challenge in ensuring sustainable farming practices and animal welfare.

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Angora Wool's Ethical Concerns

Angora wool production is controversial due to animal welfare concerns related to the shearing practices of Angora rabbits.

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Silk's Ethical Concerns

Silk production raises animal welfare questions due to the rearing practices of silkworms, especially regarding cocoon harvesting.

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Leather's Environmental and Ethical Concerns

Leather's production involves various ethical and environmental issues, including intensive livestock farming, harmful tanning processes, and the use of toxic chemicals.

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Wool's Flammability

Wool's high flammability makes it crucial to handle it safely and with caution when using it for clothing and other items.

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Cashmere's Thermal Insulation

Cashmere is known for its high level of thermal insulation, making it ideal for clothing and other products designed for warmth.

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Angora Wool's Breathability

Angora wool is highly breathable, making it comfortable to wear even in warmer temperatures.

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Canvas Weave

Weave with the smallest weave ratio. It's the oldest, most widely used, most demanding, and strongest weave. It has neither a front nor a back.

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Twill Weave

A structure with prominent ribs separated by optical furrows. The front and back of the fabric are clearly distinguishable. It offers a good compromise between satin and canvas, known for its resistance and durability.

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Satin Weave

The most supple and shiny weave. It has a coated armor surface due to floats every 5 warp effects. It offers excellent fall and a smooth surface, but it tends to wear more quickly and tear easier.

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Knitting

The art of looping one or more threads to form stitches that are interwoven in a well-defined sequence called binding.

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Knitting Gauge

The number of needles per inch of needle bed. It characterizes the distance between two needles and defines the size of the stitches. A higher gauge indicates a finer knitted fabric, while a lower gauge leads to a thicker fabric.

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Flat Bed Knitting Machine

A type of knitting machine with a carriage that moves several yarn guides to feed the needles. It is designed for producing rectangular or shaped panels, trimmings, and similar items.

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Structured Fabrics

Structured fabrics are woven on machines equipped with a specific order system using a dobby, a mechanical or electronic device. They feature the same structure across the entire width of the fabric. There are three basic structures – canvas, twill, and satin.

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Jacquard Fabrics

Jacquard fabrics are woven on machines with an order system using a dobby. However, they come from a sketch or drawing, allowing for limitless designs. The process involves drawing, laying out the design, assigning colors, and assembling them.

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Weaving

A perpendicular crossing of two sets of yarns. The foundation of many fabrics, it determines the overall fabric structure and appearance.

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Textile Finishing

Finishing techniques that enhance the quality and resistance of fabrics. These techniques can include processes like ungluing, white dyeing, and adding specific finishing touches.

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Study Notes

Textile Fabrics: Plant Yarns

  • Cotton:
    • Best: Natural, resistant, absorbs water easily, easily recycled, thrives on natural fertilizers.
    • Worst: Highly flammable, creases easily, requires large amounts of water, uses chemicals to grow quickly.
  • Linen:
    • Best: Grows without irrigation or chemicals, strong and light, comfortable to wear.
    • Worst: Low thermal insulation, creases easily, and is a lot of waste due to thread irregularities.
  • Hemp:
    • Best: Environmentally friendly, no chemical treatments needed, sustainable cultivation, processed in many ways.
    • Worst: Feels rough after treatment, more expensive for making comfortable to wear, requires a lot of water.
  • Jute:
    • Best: Strong, needs less water than cotton for production, respects the land and farmers, passed down through generations.
    • Worst: Needs humid climate, less use, some fabrics feel rough.

Textile Fabrics: Animal Yarns

  • Wool:
    • Best: Comfortable, supple, doesn't crease easily, natural, sustainable raw material, good thermal insulation.
    • Worst: Sensitive to moths, dependent on animal treatment standards, can be flammable, quality dependent on washing and piling.
  • Cashmere:
    • Best: Soft and comfortable, very high levels of thermal insulation, lasts longer, good quality, recycled cashmere is even better.
    • Worst: Can be tricky to maintain, high demand is degrading farming conditions.
  • Angora Wool:
    • Best: Hairy, fine fibers, light, naturally white, blends well with other fibers.
    • Worst: Can be a concern to some consumers regarding animal welfare.

Textile Fabrics: Synthetic Yarns

  • Silk:
    • Best: Slippery, silky, strong, soft, comfortable, absorbs perspiration, retains heat, good quality, fluidity, lightness, and strength.
    • Worst: Electric, price is high, silkworm rearing can have ethical issues.
  • Leather:
    • Best: Natural strength and durability, it's sustainable, can be repaired to extend its lifespan, timeless.
    • Worst: Tractability, intensive livestock farming, climate change, leather is the second biggest source of pollution, damaging the environment and working conditions.
  • Viscose:
    • Best: Made from wood pulp, widely used in textiles, high quality.
    • Worst: Shrinks in the wash.
  • Lyocell/Tencel:
    • Best: Good replacement for silk, softness.
    • Worst: Wrinkles easily
  • Polyamide/Nylon:
    • Best: Strong and supple, producing bright colors, used for under and sportswear.
    • Worst: Can become electrically charged quickly
  • Acrylic:
    • Best: Available in several forms, matte or glossy, a real lightness, ages well, many forms of it.
    • Worst: Can become electrically charged quickly.
  • Polyester:
    • Best: Durable, widely used in clothing, strong, semi-matt or glossy.
    • Worst: Polluting during manufacturing, washing releases micro-particles.
  • Elastane:
    • Best: Stretchable, conforms to body.
    • Worst: Doesn't dye.

The Lives of Clothes

  • Starts from fibers and ends with fabric, including combing, detangling, dyeing, and finishing stages.
  • Woven fabrics: perpendicular crossing of two sets of yarns (structured or jacquard).
  • Knitted fabric: looping one or more threads (knitting) and bonding them.

Knitting Machine

  • Flat-bed knitting machines use electronic motors, several yarn guides feed the needles.

Knit and Sew Principles

  • Pull: semi-fashioned, fully fashioned, integrated methods for producing knit garments.
  • Full or seamless: Sophisticated machines, virtually any knitted fabric available.
  • Finishing operations: Offers considerable materials and manufacturing savings.

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