Chapter_10_-_Olefin_-_Fall_2011-_Student_Version

Chapter_10_-_Olefin_-_Fall_2011-_Student_Version - OLEFIN...

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OLEFIN FIBERS Chapter 10 1
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olefin A manufactured fiber in which the fiber forming substance is any long-chain synthetic polymer composed of at least 85% weight of ETHYLENE, PROPYLENE, or other OLEFIN units 2
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olefin 1949 – Italy monofilaments 1958 – United States growth in production 1977 – 7% 1997 – 16% 2002 3
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4 olefin – generic name polyolefin 2 fiber classifications polypropylene polyethylene
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Olefin product of polymerization of propylene and ethylene gases 5
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POLYPROPLYLENE FIBERS Manufacture propylene starting material produced in petroleum refining polyethylene, too polymerization catalyst extruded/cut into pellets resin shipped to fiber/film producer 6
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POLYPROPLYLENE FIBERS Manufacture Forms produced 1. melt spun into filaments 2. laid down in fiber web 3. produced as fibrillated film 7
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POLYPROPLYLENE FIBERS Manufacture fibrillated film extruded or slit & drawn network of fibers results 8
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POLYPROPLYLENE FIBERS Manufacture fiber supply chain fiber manufacturer buys resin from chemical company advantages lower capital investment smaller scale company 9
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POLYPROPYLENE FIBERS Molecular Structure methyl groups on every other C all on one side higher crystallinity isotactic 10
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POLYPROPYLENE FIBER Properties of Polypropylene Fibers Physical Properties Shape cross section shape of spinneret hole round, elliptical longitudinal glass rod pigment particle clumps 11
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This note was uploaded on 01/16/2012 for the course HUEC 2032 taught by Professor Hayes during the Fall '11 term at LSU.

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Chapter_10_-_Olefin_-_Fall_2011-_Student_Version - OLEFIN...

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