CHM 585 / 490

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CHM 585 / 490

• Chapter 6
• Condensation polymers

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Chapter 6 Condensation Polymers

• PBT
• PEN
• PC
• Nylon
• Polyimides

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1,4-Butanediol
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PolybutyleneterephthalatePBT
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Polyethylene naphthalatePEN
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Phosgene
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Phosgene

• 4 billion pounds per year
• Poisonous gas
• Mostly captive GE, BASF, Dow, PPG
• Van deMark at 20 million pounds is the only
  merchant supplier (purchased by SNPE)

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Polycarbonate
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Polycarbonate
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Diphenylcarbonate
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Nylons

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Nylons

• Diamine and Dicarboxylic acid to form a polyamide
• Nylon 4,6 is from diaminobutane and adipic acid

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Nomenclature

• Nylon 6,6 is from 1,6-hexanediamine and adipic
  acid
• Nylon 6,12 is from a 6 carbon diamine and a 12
  carbon dicarboxylic acid
• What is nylon 6 ????

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Nylon 6

• From the polymerization of caprolactam

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U.S. Nylon Consumption
Nylon 6,6 55
Nylon 6 38
Nylons 4,6 6,9 6,10 6,12 11, 12 and various others 7
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High Heat Nylons

• Kevlar all para
• Nomex meta

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Polyimides
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Kapton