Chapter 6 Exam Notes

Topics: Fiber, Chemistry, Fibers Pages: 3 (378 words) Published: July 28, 2013
Textile Exam Notes Chapters 6,7 and 8

* Generic Names – Similar chemical composition
* Cross-dye able fibers – NOT colored
* Trade Names- Company Name
* Three General Steps of spinning process:
P-Prepare4 dope/melt
E- Extrude
S- Solidify
* Fiber Size largest to smallest:
Macrofiber
Microfiber
Ultrafine
Nanofiber

* Microfiber-Strength

* Ultrafine
Microfiber – Technical Application
Nanofiber

* Dope- raw materials dissolved
* Melt- polymer generated
* Wet spinning: -Dissolved by chemicals
-Spun into chemical bath
-Solidifies
* Example generic name: DACRON
* Tencity- Increase Stretching or drawing
* Antisitatic -Additives to polymer or spinning Solution process Delustering – Additives to polymer or spinning Solution process Change in cross sectional shape -Spinneret Modification
Fiber size and shape- Spinneret Modification

* Bicomponet- COMPLEX modification
* Low pilling- Molecular structure
* Self-crimping- Modification of fiber spinning

* Azlon- regenerated protein fiber

* Fiber spinning is the process used whereby a chemical solution isd converted into filament fiber.

* Lyocell is NOT a type acetate

* Rayon is significantly heavier than cotton.

* Solution dyed Fibers are NOT modified for to accept dye more readily.

* Parent Fibers are NOT fiber that a have been modified for specific end uses.

* Cross-Dyeable fibers are NOT colored when they are extruded.

* Acetate is often used in lining fabrics because of its smooth, slick surface and ease of handling in sewing facilities.

* Acetate has poor abrasion and heat sensitive.

* Antistatic compounds increase the electrical conductivity of fibers

* Dry Spinning is the spinning method used to produce acetate.

Lyocell

-cotton-like
-fibrillate with abrasion

Nylon
* Picks up color from soil and wash water
* Excellent...
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