PPT - Synthetic Fibers Chemical Engineering Notes | EduRev

Chemical Technology

Chemical Engineering : PPT - Synthetic Fibers Chemical Engineering Notes | EduRev

 Page 1


Synthetic and Special Application
Fibers
Page 2


Synthetic and Special Application
Fibers
Synthetic Fibers Synthetic Fibers
 Production: Synthesize polymer from raw
materials by addition or condensation
polymerization.
Page 3


Synthetic and Special Application
Fibers
Synthetic Fibers Synthetic Fibers
 Production: Synthesize polymer from raw
materials by addition or condensation
polymerization.
Common Properties Common Properties
? Heat sensitive: Softens or melts with sufficient
heat.
? Pilling: Formation of tiny balls of fiber on fabric.
? Static electricity: Soil and lint cling; problems in
production & processing; discomfort during use.
? Oleophilic: Affinity for oil and grease.
? Chemically resistant
? Hydrophobic: Low absorbency.
Page 4


Synthetic and Special Application
Fibers
Synthetic Fibers Synthetic Fibers
 Production: Synthesize polymer from raw
materials by addition or condensation
polymerization.
Common Properties Common Properties
? Heat sensitive: Softens or melts with sufficient
heat.
? Pilling: Formation of tiny balls of fiber on fabric.
? Static electricity: Soil and lint cling; problems in
production & processing; discomfort during use.
? Oleophilic: Affinity for oil and grease.
? Chemically resistant
? Hydrophobic: Low absorbency.
Heat and pressure cause permanent flattening of the Heat and pressure cause permanent flattening of the
yarn yarn. .
Page 5


Synthetic and Special Application
Fibers
Synthetic Fibers Synthetic Fibers
 Production: Synthesize polymer from raw
materials by addition or condensation
polymerization.
Common Properties Common Properties
? Heat sensitive: Softens or melts with sufficient
heat.
? Pilling: Formation of tiny balls of fiber on fabric.
? Static electricity: Soil and lint cling; problems in
production & processing; discomfort during use.
? Oleophilic: Affinity for oil and grease.
? Chemically resistant
? Hydrophobic: Low absorbency.
Heat and pressure cause permanent flattening of the Heat and pressure cause permanent flattening of the
yarn yarn. .
Common Properties Common Properties
? Slick and abrasion resistant
? Strong and resilient
? Resistant to most common
fiber degradants: sunlight
(except for nylon)
? Flame resistance varies
widely
? Low density
? Non-biodegradable
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