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Overview of Condensation Polymers: PBT, PEN, Nylon, and Polyimides

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This chapter provides an in-depth analysis of various condensation polymers, including Polybutylene Terephthalate (PBT), Polyethylene Naphthalate (PEN), Polycarbonate, and different types of Nylon such as Nylon 6,6 and Nylon 6,12. It discusses their chemical structures, synthesis processes, and applications, as well as the importance of key raw materials like 1,4-butanediol and phosgene. Furthermore, it highlights the significant market players and consumption trends, including high heat-resistant nylons like Kevlar and Nomex and their utility in industry.

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Overview of Condensation Polymers: PBT, PEN, Nylon, and Polyimides

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Presentation Transcript

  1. CHM 585 / 490 Chapter 6 Condensation polymers

  2. Chapter 6 Condensation Polymers • PBT • PEN • PC • Nylon • Polyimides

  3. 1,4-Butanediol

  4. PolybutyleneterephthalatePBT

  5. Polyethylene naphthalatePEN

  6. Phosgene

  7. 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)

  8. Polycarbonate

  9. Polycarbonate

  10. Diphenylcarbonate

  11. Nylons

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

  13. 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 ????

  14. Nylon 6 • From the polymerization of caprolactam

  15. U.S. Nylon Consumption

  16. High Heat Nylons • Kevlar: all para • Nomex: meta

  17. Polyimides

  18. Kapton

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