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tt 252
n/a
23
Other
Undergraduate 2
01/28/2009

Additional Other Flashcards

 


 

Cards

Term
Nonwoven
Definition
Manufactured sheet, web or batt of directionally or randomly oriented fibers, bonded by friction
Term

Advantages of Nonwovens

 

Definition

High production rate

Low Cost

Durable & Disposable

can be molded

Term
End uses of nonwovens
Definition

Automotive- arm rests, carpets, door panels

Bags- Cargo, Coffee, Tea, Industrial, Laundry

Bedding- Blankets, comforters, mattress

Construction- Roof Covers, Insulators

Office Supplies- Book covers, Papers

Medical

Term
Machine Direction (MD)
Definition
Direction of material flow or the direction in which the fabric is being produced
Term
Cross Machine Direction
Definition
Is the direction perpendicular to the machine direction
Term
Fiber Orientation
Definition
Specify the direction of a fiber in a fiberweb or nonwoven with respect to a reference direction
Term
Fiber Orientation Distribution Function
Definition
Describes the fiber orientation distribution in a fiberweb or nonwoven fabrics
Term

Parallel Laid Fiberweb

Definition
most of fibers are oriented in MD
Term
Cross Laid Fiberweb
Definition
Fibers are oriented in CD
Term
Random Laid Fiberweb
Definition
Oriented randomly
Term
Polyester Property
Definition
Resilience
Term

Nylon Property

Definition

Tensile Strength

Abraison Resistence

Term
Wool Properties
Definition
Warmth
Term
Glass Properties
Definition
High Thermal Resistance
Term
Cotton Properties
Definition
Moisture Absorption
Term
Rayon Property
Definition
Softness and Absorption
Term
Acrylic Property
Definition
Chemical Resistance
Term
Polypropylene properties
Definition

Hydrophobic

Term
Fiberweb Formation Technologies
Definition

Dry Lay

Wet Lay

Spun Lay

Melt Blowing

Term
Carding
Definition
Process by which clumps of staple fibers are separated into individual fibers that are oriented and laid in the MD and then collected in a web
Term
Card Types and Use
Definition

Flat top- for short staple

Roller Top- Long staple

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