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66 Cards in this Set

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Abrasion Resistance
how a fiber resists damage from rubbing or surface contact
Absorbancy (moisture regain)
% of moisture a fiber will absorb from the air
Aging Resistance
the resistance to deleterious changes over time
Allergenic potential
ability to cause physical reactions
Amorphous
a random or disorganized arrangement of molecular chains in a fiber
Chemical Reactivity
Describes the affect of chemicals
Cohesiveness
the abilityof fibers to cling together during spinning
Compressibility
resistance to crushing
Cover
the ability to conceal or protect
Creep
delayed or gradual recovery from elongation or strain
Compression Resiliancy
ability of fabric to return to its original thickness after compression
Crystalline
molecular chains that are parallel to each other in a fiber
Degree of polymerization
# of small molecules connected to form a polymer
Denier
yarn or fiber size in weight in grams for 9000 meters of fiber or yarn
Denier per filament (dpf)
describes fiber size. Calculated by dividing yarn size in denier by the # of filaments
Density
weight in grams per cubic centimeter
Specific gravity
ratio of fiber mass to an equal volume of water at 4 degrees C
Dimensional Stability
ability to retain size and shape through use and care
Drape
how a fabric falls over a 3-D form
Dyeability
how a fiber is receptive to coloration by dyes
Drawing
fiber- finishing step where manufactured fiber is elongated after spinning
Fabric crimp
bends caused by distortion of yarns in a fabric
Fiber crimp
refers to waves, bends, twists,etc. along the length of a fiber
Filament Fiber
fibers that are extremely long
Filament tow
large bundles of fibers in filament length that are crimped before being cut
Elasticity
how a material returns to its original shape after being stressed
Elastic Recovery
degree to which fibers will recover from strain
Electrical Conductivity
ablity to transfer electric charges
Elongation
ability to be streched or lenghtened
Feltability
the ability of fibers to mat together
Flexibility
ability to bend repeatedly wihtout breaking
Hand
how a fiber feels
Heat conductivity
ability to transfer heat through a fabric
Heat retention
ability to retain heat or insulate
Heat sensitivity
ability to shrink, soften, or melt when exposed to heat
Hydrophobic
fibers not attracted to water
Hydrophillic/ Hydroscopic
fibers attracted to water
Loft (compression resiliancy)
abiliy to spring back to original thickness after being compressed
Luster
light refelected from a surface of fabric
Mildew Resistance
resistance to the growth of mold, mildew, or fungus
Modulus
resistance to stress/strain put on fiber
Moth resistance
resistance to insect damage
Oleophilic
fibers attracted to oil
Pilling
formation of balls of fiber on the fabric surface
Resiliency
ability to return to original shape after deformations
Stiffness (rigidity)
resistance to bending or creasing
Strength
ability to resist stress
tensile strength
resistance (pounds per square inch)
Tenacity
resistance (grams per denier)
Sunlight Resistance
ability to withstand sunlight damage
Texture
nature of the fiber or fabric surface
Translucence
ability to let light pass through the structure
Wicking
ability of fiber to transfer moisture along its surface
Generic Group
fibers with similar chemical composition
Hydrogen bonds
attractions between positive hydrogen atoms and negative oxygen or nitrogen molecules
Manufactured fiber
made from chemical compounds in a manufacturing facility
Orientation
the alignment of fiber's polymers with its longitudinal axis
Natural Fiber
grown or developed in nature
Polymer
large molecule made by connecting small molucules together
Polymerization
the process of connecting many small molecules to create a polymer
Shrinkage resistance
ability to regain its original imensions during cleaning
Staple Fiber
any fiber cut to a short length
Stiffness
the resistance to the bending or creasing of a fabric
Stretching
pulling a fiber so that molecular chains form crystals to enhance the fiber
Tex
yarn- numbering system
Van der Waals Forces
weak attractive forces between adjacent molecules and increase in strength