C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 69/16 (2006.01) C08G 69/04 (2006.01) C08G 69/08 (2006.01)
Patent
CA 2447476
Process for making nylon 6 in which a feed stream containing a major portion of caprolactam and/or nylon 6 prepolymer and a minor portion of aminocapronitrile is fed to a multistage reactive distillation column in which the feed stream flows countercurrently to a steam stream.
L'invention concerne un procédé de production de nylon 6, selon lequel un courant d'entrée contenant, en majeure partie, du caprolactame et/ou un prépolymère de nylon 6 et, en faible proportion, un aminocapronitrile, est envoyé dans une colonne de distillation réactive à plusieurs étages dans laquelle le courant d'entrée circule à contre-courant d'un courant de vapeur.
Cohen Jeffrey D.
Fergusson Stuart B.
Marchildon Ernest Keith
Marks David N.
Mutel Ahmet Turgut
Bennett Jones Llp
E.i. Du Pont de Nemours And Company
Invista Technologies S.a.r.l.
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