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26 Cards in this Set
- Front
- Back
aramid\
two types, size temp of combust strength uses related to |
polyamide with 84% amide links
Kevlar. ballistic. strength 21.5 small in diameter Nomex firefighters and race car high resistance 2 temperature NYLON |
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lenzing....
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German co bought out english tencel. called lyocell tencel.
also makes aramid |
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PBI
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doesnt burn melt or drip
pricey racecar drivers nasa |
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vinyon
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christmas trees
+ vinal = childrens sleepwear |
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vinal
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50% vinyl alcohol
bathroom shower curtains fishing, nets, tarps + vinyon = childrens sleepwear |
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sulfar
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lines outside of space shuttle
bleech, mildew acid aging sunlight abrasion resistant |
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PFTE
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teflon used in goretex to keep moisture and out and lets sweat out too
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carbon
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cut static in carpet and upholstery
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saran
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medical hospital dividers
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modacrylic uses
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wigs childrens sleepwear
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acetate most common use
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cigarette filters
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diapers
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on top and bottom = olefin
in between = rayon |
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lint catchers
lint producers |
synthetics
cellulosic |
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glazing
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iron can melt off the rounded tops of the yarns flattening them if too hot
Makes fabric shine, lightens color, brightens garment |
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green fiber
pretty fiber |
lyocell
rayon |
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why does pla have high resiliency?
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Crystallinity
kinks in molecular structure allow it to bounce back |
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synthetic fibers commonalities
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oleophilic
heat sensitive resistant to most chemicals staticy low moisture absorbency pill strong |
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why does pla have high resiliency?
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Crystallinity
kinks in molecular structure allow it to bounce back |
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synthetic fibers commonalities
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oleophilic
heat sensitive resistant to most chemicals staticy low moisture absorbency pill strong |
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pilling
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related to tenacity
occurs in staple fibers in synthetics too strong to break clump of fishhooks |
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how to not pill
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turn inside out
load light washer for less abrasion on product use shorter wash time use fabric softener to reduce cling to garment separate accordingly |
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static electricity
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buildup of electric charge released in a shock
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GTT
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temp at which amorphous regions are easy 2 distort
crystaline regions melt |
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low pilling modification
shape modification |
make them weaker so they break off as soon as they form
alter to lobal etc to hide dirt |
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nylons real name
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polyamide
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natural rubbers real name
name the other two |
polyisoprene
lastrile polycloroprene |