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TXMI3500 final
n/a
120
Other
Undergraduate 4
12/07/2011

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Cards

Term
preparation
Definition
treatments routinely applied to fabrics to prepare them for dyeing and finishing
Term
Preparation to...
Definition
remove: natural oils & waxes, fiber impurities and color, manmade additives
Term
Cotton preparation
Definition
1. Desizing
2. Scouring
3. Bleaching
4. Mercerizing
5. Singeing
6. Calendering
Term
Which preparation is not required for knits?
Definition
Desizing
Term
What chemical is usually used for bleaching?
Definition
hydrogen peroxide
Term
Mercerizing increase:
Definition
strength, luster, dyeability (absorbency)
Term
main reason for mercerizing?
Definition
saves dye
Term
dyeing
Definition
the process of applying color to fibers, yarns fabrics or garments
Term
Synthetic dyes are from
Definition
petroleum
Term
redcoat dye from
Definition
roots of Madder plant
Term
who invented synthetic dyes
Definition
Perkin
Term
why use synthetic?
Definition
less expensive, more readily available and more uniform
Term
Dope dyeing refers to...
Definition
solution dyeing
Term
manufactured fibers are _____ dyed
Definition
solution/dope
Term
Wool is often _____ dyed.
Definition
fiber/stock
Term
Tweed has to be _____ dyed.
Definition
fiber/stock
Term
Advantage of fiber/stock dyeing?
Definition
good solid dye
Term
Disadvantages of fiber/stock dyeing?
Definition
expensive and hard to do
Term
Fiber/stock dyeing process
Definition
loose fibers are collected in a pressure cooker machine and the dye is circulated
Term
How to identify fiber/stock dyeing?
Definition
unravel a yarn - and look to see if there are different colors of fibers in the yarn
Term
Stock dyeing refers to...
Definition
fiber dyeing
Term
Stripes and plaid are _____ dyed.
Definition
yarn/package
Term
package dyeing refers to...
Definition
yarn dyeing
Term
2 methods for yarn/package dyeing
Definition
package and skein
Term
Package vs Skein dyeing
Definition
dyeing a cone of yarn vs yarns dropped in vat, dye circulates throughout yarn
Term
how to identify package/yarn dyeing
Definition
unravel and look for different colored yarns (as opposed to fibers)
Term
gingham is ____ dyed
Definition
yarn/package (alternates rows of yarn - dyed yarn in warp and filling direction)
Term
piece dyeing refers to...
Definition
fabric dyeing
Term
most common form of dyeing
Definition
fabric/piece dyeing (fast and economical)
Term
how to identify fabric/piece dyeing
Definition
fabric will be the same color on the front and the back
Term
methods of fabric/piece dyeing
Definition
batch and continuous
Term
batch fabric/piece dyeing
Definition
all steps done in a single vessel
Term
fabric/piece dyeing steps
Definition
dye application, fixations and rinsing
Term
types of batch dyeing
Definition
beam - roll of fabric lowered into dye batch, dye circulates from inside out, fixation + drying at same time
jet - jet of dye forces fabric through machine and color comes in contact with fabric
Term
which is more common beam or jet?
Definition
jet - rapid & efficient
Term
continuous piece/fabric dyeing
Definition
separates individuals steps into separate components of a continuous dyeing range
Term
Hosiery and t-shirts are typically __ dyed.
Definition
garment
Term
Why did garment dyeing come about?
Definition
quick response to fashion change (shorter lead time)
Term
how to identify garment dyeing
Definition
look at the labels, they will be partially dyed
Term
Two ways of dyeing blends
Definition
cross dyeing and union dyeing
Term
which is more common, cross or union dyeing
Definition
union dyeing
Term
cross dyeing
Definition
when different fiber types in a blend are dyed different colors
Term
union dyeing
Definition
when different fiber types in a blend are dyed the same color
Term
Two dyeing considerations
Definition
Levelness and fastness
Term
Levelness
Definition
a level dyeing produces the ame shade on the entire batch of material
Term
fastness
Definition
the ability of a dyed textile to retain its shade and depth of shade during use and care
Term
fastness is determined in respect to...
Definition
light, laundering, dry cleaning, bleach, perspiration...
Term
finishing
Definition
application of mechanical or chemical treatment to fabrics to enhance their appearance or performance
Term
printing
Definition
application of color to certain portions of a textile product creating a design; primarily done for fabrics (and garments)
Term
Most common commercial method of printing
Definition
Screen printing (primarily rotary)
Term
types of screen printing
Definition
flat bed and rotary
Term
flat bed printing process
Definition
screen is prepared using photographic resist process, one screen for each color, fabric moves along table from one screen to the next, like a stencil
Term
rotary screen printing
Definition
screens prepared, shaped into cylinder (one for each color) fabric runs under a series of rotating screens, dye applied to rotary screens from inside cylinder - forced through screen with squeegee
Term
when the screens are out of sync and the pattern components won't line up correctly its called ___
Definition
faulty registration
Term
blotch printing
Definition
separate screen provides background color to design (type of screen printing)
Term
when a fabric is piece dyed and then printed over its called ________
Definition
overprinting
Term
discharge printing
Definition
thickened bleach is printed onto previously dyed fabric and the color is discharged (removed) wherever the bleach is applied
Term
heat transfer printing
Definition
design printed onto paper, using dyes instead of pigment, printed paper and white fabric run together through heated ovens, dyes vaporize and transfer to the fabric
Term
which printing process is very detailed, almost like a photograph
Definition
heat transfer printing
Term
which type of printing is also called paper printing
Definition
heat transfer printing
Term
ink jet printing
Definition
no screens required, quick responses, short yardages, expensive ink, few color choices, slower than rotary, new method
Term
IKAT printing
Definition
printing warp yarns before the fabric is woven, the designs have indistinct outlines
Term
Batik printing
Definition
developed in JAVA, wax is used as the resist material
Term
Tie dye
Definition
probably developed in India, tied strings or rubber bands are used as resist materials
Term
block printing
Definition
direct printing, like a stamp, design carved into a block, area between design elements cut away leaving design elevated, dipped into dye then pressed onto fabric
Term
classification of finishes
Definition
mechanical versus chemical; durable versus nondurable
Term
Calendering
Definition
fabrics are passed between 2+ rollers (often made of stainless steel and heated)
Term
simple calendering
Definition
like ironing, removes wrinkles; damp fabric goes under rollers and comes out pressed
Term
shreiner calendering
Definition
engraved rollers (250 diagonal lines per inch) provide surface luster and soft hand
Term
glazing
Definition
calendering process, start applied to fabric, high speed friction calender provides polished surface, spinning while fabric moves underneath
Term
Chintz is made with which calendering process?
Definition
glazing
Term
Cire calendering
Definition
resin applied to fabric, polished to a high gloss wet look or patent leather look
Term
embossing
Definition
one engraved roller with raised pattern is used with a second soft roller, pattern is pressed into fabric
Term
moire calendering
Definition
2 unbalanced plain weave fabrics are pressed together, crushing the ribs; water marker or wood grain look
Term
raised surface processes
Definition
Napping, Sanding and Shearing
Term
Napping
Definition
small bent wires on rollers pull fibers from yarns to produce a dense pile on fabric surface
Term
Sanding/Sueding/Buffing/Peachskin
Definition
Sandpaper covered rolls = shorter pile
Term
Shearing
Definition
follows napping, produces uniform and level pile
Term
burnt out
Definition
acid printed onto cellulosic fabric causes open areas and design effects
Term
plisse
Definition
cotton printed with NaOH causing fabric to shrink in printed areas and pucker in unprinted areas
Term
plisse resembles
Definition
seersucker
Term
sanforizing
Definition
shrinkage control, fabric overfed into a cylinder between two blankets and steamed to accelerate shrinkage
Term
washable wool
Definition
finish that minimize felting by either damaging/dissolving the scales or coating the scales with resin
Term
heat setting
Definition
thermoplastic fabrics will hold their new dimension unless exposed to a higher temperature (nylon, olefin, polyester)
Term
Chemical application forms
Definition
1) pad-dry cure and 2) foam
Term
pad-dry cure
Definition
unfinished roll of fabric goes into a chemical/pad bath, is saturated picking up water and chemical finishes, squeeze rollers squeeze out excess liquid nad then into a oven to fix the finish
Term
foam
Definition
a knife pushes the foam onto the fabric which goes through rollers that press the foam into the fabric and the put in a curing oven where the chemicals are fixed
Term
Advantages of foam application
Definition
don't have to get fabric soaking wet, uses less water, easier curing and drying, less energy required, different finishes for front + back if desired
Term
Wrinkle Resistant is also called...
Definition
Durable Press, Wash and Wear, or Wrinkle free
Term
Benefits of wrinkle resistant
Definition
decreases wrinkles, minimizes care (less ironing) and decreases shrinkage
Term
Wrinkle Resistant Disadvantages
Definition
decrease strength & abrasion, more expensive, attracts oily soil, requires formaldehyde
Term
Soil Resistant vs. Soil Release
Definition
resistant - prevents wetting, water beads up, all fibers, applied by manufacturer or consumer
release - increases absorbency, water soaks in, manmade only, manufacturer application only
Term
Soil Resistant Example
Definition
Scotchgard
Term
Soil Release example
Definition
visa
Term
how are waterproof finishes achieved?
Definition
with polyurethane or file coating to the surface
Term
what finish is often used on high count fabrics?
Definition
water repellent
Term
differences between water-proof and water repellent
Definition
waterproof is nonbreathable, and there is no water penetration... water repellent only resists penetration but is pliable, breathable and light weight
Term
wicking
Definition
capillary action in a fabric carries moisture away form the skin
Term
how is moisture management achieved?
Definition
changes the chemical composition of a fabric - gives it a slight negative charge so the fabric pulls away from the skin
Term
FFA
Definition
Flammable Fabrics Act
Term
who administered the FFA
Definition
CPSC - Consumer Product Safety commission
Term
what does the FFA apply to
Definition
all apparel, children's sleepwear, mattresses, carpets + rugs
Term
FFA does what?
Definition
forbids the sale of any dangerously flammable textiles
Term
how does FR finishes work?
Definition
they break the burning cycle by: - decreasing formation of flammable gases or producing inert gases that dilute the gases fueling the fire
Term
FR finishes are adversely affected by:
Definition
laundering (bleach, softeners, hot water/dryer, soap- use detergent) and overexposure to sunlight and soil
Term
how do microencapsulated finishes work?
Definition
incorporates materials in tiny capsule form that are sprayed on and held with a binder, the use ruptures the capsules
Term
Examples of microencapsulated finishes
Definition
fragrance, lotions, oils, antimicrobial, antiodor, insect repellent
Term
enzyme technology is used for
Definition
desizing and scouring, retting flax, degumming silk, biopolishing and detergents + presoaks
Term
what are the environmental benefits of enzyme technology
Definition
works in mild conditions (temp and pH), replaces toxic/harsh chemicals, 100% biodegradable, small doses required
Term
Nanotechnology finish examples
Definition
improves water or stain resistance, moisture management, wrinkle resistant, antimicrobial (odor + mildew), colorfastness, reduce pilling and improve strength
Term
example of Nanotechnology trade name
Definition
Nanotex - reduces pilling
Term
Examples of special purpose finishes
Definition
antistatic durable, antimicrobial, light reflectant, UV absorption, phase change, heat reflective, moth proofing
Term
examples of products with antimicrobial finishes
Definition
medical textiles, wipes + towels, workout clothes, outdoor textiles, carpets, mops, filters
Term
trade name example of light reflective
Definition
Retrogold
Term
UV absorption reduces:
Definition
fiber damage, dye fading and skin exposure
Term
trade name example of UV absorption
Definition
Soltex
Term
UPF good, very good and excellent
Definition
15-24, 25-39, 40-52
Term
cotton t-shirt, blue jeans and polyester shirt UPF's
Definition
4-8, 30-40, 15
Term
What do phase change finishes do?
Definition
minimize heat flow through a fabric, absorbs or releases heat as they undergo phase change
Term
tradename example of phase change thermal finish
Definition
Underfire - used in long underwear
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