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CHM 585 / 490. Chapter 6 Condensation polymers. Chapter 6 Condensation Polymers. PBT PEN PC Nylon Polyimides. 1,4-Butanediol. Polybutyleneterephthalate PBT. Polyethylene naphthalate PEN. Phosgene. Phosgene. 4 billion pounds per year Poisonous gas
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CHM 585 / 490 Chapter 6 Condensation polymers
Chapter 6 Condensation Polymers • PBT • PEN • PC • Nylon • Polyimides
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)
Nylons • Diamine and Dicarboxylic acid to form a polyamide • Nylon 4,6 is from diaminobutane and adipic acid
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 ????
Nylon 6 • From the polymerization of caprolactam
High Heat Nylons • Kevlar: all para • Nomex: meta