Unit DMERCHANDISE INFORMATION

4.01 Identify basic textile fibers, fabrics, and their

characteristics.

Textile Industry Terms• Fiber: The smallest unit in a textile fabric.• Yarn: A group of fibers twisted together to form a

continuous strand.• Fabric: Any material that is made by weaving,

knitting, braiding, knotting, laminating, felting, or chemical bonding.

• Hand: The way a fabric feels to the touch.• Denier: Thickness or diameter of a fiber.• Microfibers: Ultra fine, soft, luxurious fibers

possessing the same desirable qualities as expensive natural fibers but costing less and requiring less special care.

• CAD (Computer Aided Design): Computer system software used for designing textiles, fashion, apparel, and other products.

Natural fibers

Fibers from plants or animal sources.

•Staple fibers: Lower quality, short fibers.

•Filament fibers: Long, continuous fibers of higher quality.

•Cellulosic fibers: Fibers from plants.

•Protein fibers: Fibers derived from animals or insects.

Manufactured fibersFibers that are man-made (synthetic) and are created by combining various substances with chemicals.

•Solid raw materials and chemicals are melted or dissolved to form a thick liquid.

•The liquid is forced through the tiny holes of a mechanical device known as a spinnerette to form filaments. (Similar to pushing dough through a pasta machine to make spaghetti.)

•The filaments are then stretched, hardened, and crimped and/or cut into lengths.

Manufactured fibers (cont.)

•Cellulosic manufactured fibers are made from cellulose from plants such as soft wood pulp and are changed into usable fibers by applying chemicals.

•Noncellulosic manufactured fibers are made from various petrochemical mixtures of crude oil, natural gas, air, and water.

Blend: A combination of two or more fibers that maximizes the best features of each fiber.

•Example: Combining cotton with polyester

Natural fibers

• Cotton

• Wool

• Flax (linen)

• Silk

Cotton

• Most widely used of all natural fibers

• Grown in the southern U.S. and other warm climates

• Characteristics:Strong and durableAbsorbentCool to wearShrinks in hot waterWrinkles easily

The soft, white, downy fiber (boll) attached to the seed of a cotton plant.

Cotton• Proper care

– Machine wash– Tumble dry at moderate

temperatures– Press with warm to hot

iron

• Common uses:UnderwearSocksShirts, blousesJeansTowels, sheets

Wool The fiber that forms the coat (fleece) of sheep.

• Primary sources are Australia, South America, New Zealand, and United Kingdom

• Characteristics:Natural insulator; warmest of all natural fibersSoft and resilientNaturally flame retardantAbsorbs moisture more slowly than cottonShrinks if machine washed or dried

unless chemically treatedAffected by moths

Wool• Proper care for

untreated wool:– Dry clean or hand

wash in cool water and a mild detergent (according to garment label)

– Do not place in dryer– Press with cool iron

Common uses:•Sweaters•Tailored suits•Coats•Blankets•Upholstery•Rugs, carpets

Flax

The fiber that comes from the stem of a flax plant.

• Grown and harvested primarily in Eastern Europe

• Linen is made by weaving or knitting flax fiber into fabric.

• Common uses:– Pants– Blazers– Table linens– Upholstery

Flax• Characteristics

– Durable and strong– Lustrous and smooth– Comfortable and cool to

wear– Wrinkles easily– Creases difficult to remove– Can be expensive

• Proper Care:– Hand wash or dry clean

(according to garment label)

– Iron while damp

Silk

• The silkworm forces two fine streams of a thick liquid out of tiny openings in its head.

• These streams harden into filaments or fibers upon contact with the air.

• Primarily produced in Asia (Thailand, China, India), and Madagascar

The fine, lustrous fiber that comes from a cocoon spun by a silkworm.

Silk• Characteristics:

– Luxurious appearance and feel

– Strongest of all natural fibers

– Drapes nicely– Expensive– Easily spots if fabric

becomes wet– Weakens with

exposure to sun and perspiration

Silk Proper Care:– Dry clean or hand

wash (according to garment directions)

– Press on wrong side with warm iron

Common uses:– Wedding gowns– Lingerie– Men’s ties

Leather and Fur

• Leather and fur are from the hides or skins of animals.

• Leather: A tough, flexible material made by preserving animal hides through a process called tanning.

Tanning converts hides into finished usable leather.

•Leather is used for:HandbagsShoesBeltsJackets

Leather

Suede: Leather with a napped surface on the flesh side.

•Primary sources:CattleGoatskinsSheepskinsReptiles

Fur• Fur is used for:

– Coats– Outerwear– Trimmings

Common Sources– Mink– Chinchilla– Fox– Rabbit

The soft, hairy coat of an animal.

Manufactured fibers

•Polyester

•Nylon

•Acrylic

•Rayon

•Acetate

•Spandex

Polyester• Made from coal or petroleum• Strong and often blended with other fibers• Resistant to wrinkling• Shrink and stretch resistant• Easy to care for• Great washability• Pills easily• Static buildup

• Common uses:– Children’s wear, shirts, suits

Nylon• First fiber to be manufactured totally from

chemicals• Strong, durable, elastic• Dries quickly• Resists wrinkles and soil• Washes easily • Heat sensitive• Clings to the wearer

• Common uses:– Hosiery, swimwear, windbreakers

Acrylic• Resembles wool• Soft and warm• Bulky, yet

lightweight• Quick drying• Strong• Wrinkle

resistant• Static buildup• Pills easily

Common uses:

•Terrycloth

•Bathrobes

•Knitted garments

•Outdoor furniture fabrics and awnings

Rayon

• Soft, absorbent, and comfortable• Inexpensive• Stretches and is weak when wet• Mildews and wrinkles easily

Common uses:– Linings– Sports shirts– Jackets

Acetate• Very versatile• Inexpensive and easy to dye• Silky, luxurious• Deep luster, soft• Wrinkles easily• Special care needed in cleaning

• Common uses:– Neckties– Lingerie– Blouses– Linings

Spandex• Known for its ability to stretch• Resistant to lotions, oils, sun, and

perspiration • Easily damaged by chlorine bleach• Soft, lightweight• Durable • Nonabsorbent

• Common uses:– Swimwear– Dancewear – Exercise wear

Steps involved in fabric production

1.Fibers are usually twisted together and spun into yarns.

2.Yarns are either woven or knitted to form fabric.

3.Color is added by dyeing or printing to enhance the fabric’s appeal.

4.A finish is applied to make the fabric suitable for its end use and to improve its appearance.

Turning Yarn into Fabric

Weaving: The process of interlacing one or more sets of yarns at right angles on a loom.

•Warp yarns: Yarns that run lengthwise in woven fabric.

•Weft yarns: Yarns that run crosswise in woven fabric.

Turning Yarn into Fabric (cont.)

•Grain: The direction of the lengthwise and crosswise yarns or threads in a woven fabric.

•Bias: The diagonal grain of a fabric. The bias provides the greatest “give” or stretch in the fabric.

Weaving • Plain weave: The simplest weave in which the weft (crosswise) yarn is passed over then under each warp (lengthwise) yarn.

– A basket weave is one variation, with the weft yarn passing over two and under two warp yarns each pass.

– Examples: Chiffon, seersucker, taffeta

Plain weave

Weaving • Twill weave: A weave in which the weft yarn is passed over and under one, two, or three warp yarns beginning one warp yarn back on each new row.

– Used for durability, this weave produces a diagonal design on the surface.

– Examples: denim, gabardine

Twill weave

Weaving • Satin weave: A weave that produces a smooth, shiny-surfaced fabric resulting from passing the weft yarn over and under numerous warp yarns to create long floats.

– Examples: sateen, satinSatin weave

Weaving Other weaves• Pile weave—

corduroy, velvet• Dobby—dotted

swiss, pique• Jacquard—brocade,

damask• Leno—fabrics with

an open, lacy appearance

Knitting

• Weft knits: Knits made with only one yarn that runs crosswise forming a horizontal row of interlocking loops.

– Cut edges will curl.– Weft knits run if snagged.– Examples: jersey, ribbed

knits, sweater knits

Constructing fabric by looping yarns together.

Knitting (cont.)

• Warp knits: Knits made with several yarns creating loops that interlock in the lengthwise direction.

– Do not ravel– Have selvage edges– Examples: tricot, raschel knits

• Gauge: The number of stitches, or loops, per inch in a knitted fabric.

Additional ways to construct fabric

• Nonwoven. Fibers are compacted together using moisture, heat, chemicals, friction, or pressure. Examples: quilt batting, garment interfacings, felt, artificial suede

• Laces and nets. Made by knotting, twisting, or looping yarns. Example: lace

• Braided fabrics. Created by interlacing three or more yarns to form a regular diagonal pattern down the length of the resulting cord. Examples: decorative trims, shoelaces

• Bonded fabric. Made by permanently fastening together two layers of fabric by lamination. Examples: two fabrics bonded so that one serves as a self-lining as in skiwear or winter coats

Additional ways to construct fabric (cont.)

• Quilted fabric. A layer of padding or batting is sandwiched between two layers of fabric and held in place by stitching. Examples of use: bedspreads, placemats, and outerwear

Fabric finishingApplying colors, designs or surface

treatments that change the look, feel, or performance of fabrics.

• Bleaching: Chemical processes that remove color, impurities, or spots from fibers.

• Dyeing: A method of giving color to a fiber, yarn, fabric, or garment.

• Printing: The process of adding color, pattern, or design to the surface of fabrics.

Finish categories• Mechanical: Finishes

that are applied mechanically rather than chemically.

– Affect size and appearance

– Examples: glazing, embossing, brushing/napping/cutting (corduroy)

• Chemical: Finishes that become part of the fabric through chemical reactions with the fibers.

– Affect performance– Examples: flame

retardant, stain resistant (Scotchgard®), waterproof, permanent press, preshrunk (Sanforized®)

Trends

and

Technology

Equipment and machinery• More automated weaving and knitting

machines• Color management tools that can

synchronize a colored design on a computer screen, a paper printout, and the actual fabric color

• Sophisticated CAD tools with 3D capabilities

• Processes constantly monitored by computer systems

Microfibers

• Enhanced characteristics for high performance fabrics resulting in production of intelligent garments

- wicking (a fiber’s ability to draw moisture away from the body so it can evaporate)

- coolness- warmth- protection

Development of new recycling processes

• Plastic soda bottles converted into polyester fiber

− used to make fabric for t-shirts and filling for pillows

− can be recycled numerous times without losing its performance attributes

Nonwoven fabrics• Finding increasing use in reusable

apparel and other products– replacing traditional knits and wovens – widely used as interlinings in blouses,

jackets, shirts, and waistbands– introduced for fishing and hunting apparel– used for medical textiles with special barrier

materials to protect those in the operating room

– printed nonwovens used for tops and blouses

– also found in the SPF garments (garments that allow you to tan through the fabric at a controlled rate)

Individuality

• More choices in clothing for consumers• Demand for mass-customization in clothing.

– In any mall, customers can find a store that will

print a custom design on a t-shirt or embroider a customized design on a cap.

– Land’s End will monogram initials on a garment.– Brooks Brothers handles orders for custom-made

shirts or suits.– Mass customization is prevalent in the uniform

sector where logos and names are embroidered or printed on garments. Examples: Federal Express, Postal Service, and football teams

New and improved textiles

• Required to protect those who face hazardous environments

• Lighter and stronger textiles required for sports • Absorbable, antibiotic, antimicrobial, durable,

self-decontaminating, and comfortable textiles required for medical applications

• Better filters, road-building fabrics, geotextiles, and textiles for spaceships and communication systems required for industrial use

• Demand for textiles that can be reused and/or recycled

Smart fibers“Smart fibers of the future will

inform or assist the wearer. Potential applications include clothes that monitor the medical condition of the wearer, that warn of the presence of toxic chemicals, or that adjust to suit the wearer’s environment”.

Dr. Niall Finn, CSIRO Textile and Fiber Technology

Mirrors

“High-performance mirrors have been formed into hair-thin fibers and woven into fabrics and paper.”– Could create clothing and documents

with advanced capabilities•Clothes that reflect and protect

against invisible microwaves and radiation

•Clothes that can change colors like a chameleon

Massachusetts Institute of Technology

Government regulations

•The Wool Products Labeling Act (1939) provides that all garments made of wool have a label indicating the percentage and kind of wool used.

•The Textile Fiber Products Identification Act (1958) requires that all clothing have a label listing the generic fiber content by percentage.

•The Flammable Fabrics Act (1953) regulates the sale of highly flammable fabrics used in apparel and prohibits the sale of extremely flammable fabrics.

•The Permanent Care Labeling Act (1972) requires that all clothing offered for sale in retail stores have a label indicating specific care instructions. New symbols for use in this labeling were introduced in 1997.