Exam 2 Review
What is regain, modulus, tenacity? What does it tell about a fiber being considered?
Regain- degree of moisture absorption
Modulus- resistance to stress/strain to which a fiber is exposed
Tenacity- strength of a f
Differ from manufactured
Synthetic fibers- synthesized from chemicals or from petroleum
Produced by condensation or addition polymerization
condensation- as large molecules is made, small molecules are removed by
Identification of Regenerated Fibers
Manufactured regenerated fibers: from naturally occurring
polymers; regenerated fibers.
Cellulosic: Rayon, lyocell, and acetate.
First manufactured fiber, pr
Lightest in weight of the fibers Zero moisture
First manufactured in the 1960s. U.S. producers include DuPont (Tyvek tm
and Typar non-woven fabrics), allied (spectra high tenacity fiber) and
Combining staple fibers into yarns
Spinning systems- produce a yarn based on fiber
characteristics of fiber
Ring Spinning- standard by which all spun yarns are rat
Fibers with high elastic recovery
Spandexes are elastomeric fibers, characterized
by high elongation (400 or 500-600%) and low
Low modulus means that they have low
resistance to extension. When you first begin to
From fibers to yarns Definition of
A yarn is a continuous strand of textile fibers, staple
or filament, in a form suitable for weaving, knitting,
or otherwise intertwining to form a textile fabric.
A yarn is a constructed assemblage of textil
Now a predominant fabric structure, especially in
womens and childrens clothing.
Stretch and recovery because of loop structure
beyond fiber and yarn types
Knit fabrics can be manufactured fro
Woven Fabrics Definition of Fabric
Interlacing yarns to make fabrics. Like the paper placemats
you made in kindergarten
A woven, knitted, plaited, braided, or felt material such as cloth, lace,
hosiery, etc. (Litton, The Modern Textile Dictionary)
Exam 5 Part 3
Printing is the application of color to certain portions of a textile product, creating a
Printing adds color to localized areas only
Where print design used to be time consuming and expensive computer aided de
Exam 5 Notes Part 2
Finishes applied to textile products prior to dyeing or other
finishes are classified as fabric preparation finishes.
What is Finishing?
Changes or Enhances the
Adds cost and time
Exam 5 Notes Part 1
Other Fabrication Methods
Dont fit classic definition of a Textile
used in textile products
can be substitutes for textiles
Can have chemical components used for fiber formation
Can be made of components used to produce textiles
Greige goods are fabrics that are removed from loom.
Converted or finished goods have received finishing treatments. Converters buy greige
goods and add the finishes. These fabrics may then go to another mill for dyeing or
The term FINI
Exam 3 Bonus
Textile Care Soil
How soil held onto Fabric:
Mechanically- gum, mud, wax
Electrostatic- lint, dust
Water born- coffee
Chemical How removed:
Mechanically Neutralize electrostatic force- water Use chemicals and thermal
Exam 1 Review
Fabric- planar substance constructed from solutions, fibers, yarns, fabrics, or any
combination of these
Fiber- any substance, natural or manufactured, with a high length-to-width ratio
and width suitable characteristics
Greige goods are fabrics that are removed from the loom.
Converted or finished goods have received finishing treatments.
Converters buy greige goods and add the finishes. These fabrics may then
go to another mill for dyeing or printing.