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Textiles Quiz 5
Polyester and Sheet Stuff
32
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Undergraduate 3
10/12/2011

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Term
Polyester
Definition
-Made by melt spinning
-Often called the "Big Mixer"
Term
Why is polyester called the "big mixer"?
Definition
-Can be blended with so many different fibers
-Contributes it's good properties to the blend without destroying the good properties of the other fiber
Term
Polyester contributes:
Definition
tenacity, abrasion, resistance, easy care characteristics
Term
What is the most common blend with polyester
Definition
cotton
Term
Why is polyester also called the "Workhorse fiber of the Industry"
Definition
-most widely used manufactured fiber in the U.S.
-Considered to the most versatile
Term
Problems with polyester with consumers
Definition
-Doesn't breath/gets really hot
-uncomfortable in hot/humid weather
-pillin can be a problem
-Bacterial odor/perspiration
-Oleophilic (attracts the oily stains)
-Static Build-up because of low absorbency
Term
What are some good end uses for polyester?
Definition
-blankets
-suits
-apparel
-high tech polyester is used for work out clothing
-fiber fill
-tire cord
Term
Poor end uses for Polyester
Definition
Hosiery
Socks
Carpeting
Term
Appropriate care method for polyester
Definition
Machine wash
pretreat stain before washing them
(Shout, Oxy-clean, spray and wash
Term
Aesthetics of Polyester
Definition
Depends on whether it's in filament or staple form
Term
Durability of Polyester
Definition
Excellent
Strong Fiber
Term
Comfort of Polyester
Definition
poor (Skin contact)
Low Absorbency
Thermal retention is moderate
Term
Appearance retention for polyester
Definition
high
resilient fiber
excellent dimensional stability
Term
Care for polyester
Definition
Machine Washable-apaprel
Dry Extraction method- interiors
Term
Burn test for polyester
Definition
sweet smell
Will melt spin
Term
Elastomers
Definition
Can be natural or synthetic polymers that can be stretched repeatedyly to at least twice its original length. After removal of tinsile load, will immediately and foreably return to its original length of fiber and fabric
Term
Power Stretch-elastomers
Definition
has the ability to exhibit high retractive forces that mold, support or shape the body
Term
Comfort Stretch- elastomers
Definition
More common usage of spandex, ability of a fiber or fabric to eongate slightly as the body moves and to recover a portion of that elongation when the stretching force is removed
Term
Rubber
Definition
oldest and least expensive of the elastomers, has poor resistance to aging, sunlight, oil, perspiration, and more (swim suits, socks)
Term
Spandex
Definition
1st manufactured elastomer; trade name "lycra" introduced in the late 1950's

seldom used alone in fabrics; core fabric/fiber then something else around it

Deniers range from 20-4300

REsistant to aging when compared to rubber

"Elastane"- another term for spandex used around the world
Term
What are the protective fibers with chemical, heat or fire resistance?
Definition
aramid, glass, metal and metallic fibers, PBI, sulfar, saran, vinyon, fluoropolymer (PTFE)
Term
Aramid
Definition
exceptional strength, heat and flame resistance. Trade names Kavlar or nomex

Kevlar- lightweight- 5x stronger than steel; used for body armor undervests; bullet and knife resistant

Nomex- resistance to heat and combustion, firefighters; racecar drivers suits, flame retardant textiles on airplanes
Term
Glass
Definition
incombustabile textile; doesn't burn, used in insulation in buildings draperies in public buildings, mattress covers in hotels and residence halls, not often used in apparel
Term
Metal and Metallic fibers
Definition
in past, gold and silver was used in fabrics. Now, we have synthetic/ metallic fibers; use aluminum in different colors (film on both sides)

Trade name "lurix"

Stainless steel fibers sued in carpets to reduce statics/ sparks
Term
PBI
Definition
deosn't burn, but chars; used for interior textiles for airplanes, hospitals, and submarines
Term
Sulfar
Definition
gold in color; used in firefighter suits and protective apparel
Term
Saran
Definition
widely used in films and plastics, a good weathering properties

trade name: "saran wrap"
Term
Vinyon
Definition
Sensitive to heat, used for wigs, flame retardant christmas trees, fushing lines and nets: when used in film form it is named as vinyl--used in rainwear- umbrellas
Term
Fluoropolymer
Definition
PTFE is most common- Teflon coating for cookware and a fiber with the tradename Teflon

Gore-Tex is also a trade name for PTFE (wind and water resistant)

TEflon can withstand temperatures up to 500 degrees F w/o any damages; used in hazardous material protective apparel
Term
What are some examples of power stretch materials
Definition
Spanx
Foundation garments
shapewear
pants
suspenders
belts
garders
surgical support
parts of sports bras
Term
Examples of comfort stretch fibers
Definition
Sheets
apparel
slip covers for couches
Term
Special use fibers
Definition
fibers that have unique characteristics

as a group- no negative environmental impact; produced in similar quantities; niche
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