6-Aminohexanoic Acid → NYLON 6/66

HRID 1637561

Reaktionsgleichung

Reaktionsgleichung von HRID 1637561
[C:1]1(=[O:8])[NH:7][CH2:6][CH2:5][CH2:4][CH2:3][CH2:2]1.NCCCCCC(O)=O.[C:18]([OH:27])(=[O:26])[CH2:19][CH2:20][CH2:21][CH2:22][C:23]([OH:25])=[O:24].[NH2:28][CH2:29][CH2:30][CH2:31][CH2:32][CH2:33][CH2:34][NH2:35]>>[CH2:4]1[CH2:5][CH2:6][NH:7][C:1](=[O:8])[CH2:2][CH2:3]1.[CH2:32]([CH2:33][CH2:34][NH2:35])[CH2:31][CH2:30][CH2:29][NH2:28].[CH2:20]([CH2:19][C:18]([OH:27])=[O:26])[CH2:21][CH2:22][C:23]([OH:25])=[O:24]

Komponenten

4

Edukt 3

HCID 5646-Aminohexanoic AcidHCID 7768CaprolactamHCID 197024Hexamethylenediamine adipate

Produkt 1

HCID 168236NYLON 6/66

Versuchsvorschrift

The low molecular weight polyamides are generally prepared by melt phase polymeization from a diacid-diamine complex which may be prepared either in situ or in a separate step. In either method, the diacid and diamine are used as starting materials. Alternatively, an ester form of the diacid may be used, preferably the dimethyl ester. If the ester is used, the reaction must be carried out at a relatively low temperature, generally 80 to 120° C., until the ester is converted to an amide. The mixture is then heated to the polymerization temperature. In the case of polycaprolactam, either caprolactam or 6-aminocaproic acid can be used as a starting material and the polymerization may be catalyzed by the addition of adipic acid/hexamethylene diamine salt which results in a nylon 6/66 copolymer. When the diacid-diamine complex is used, the mixture is heated to melting and stirred until equilibration.

Aufarbeitung

  1. custommay be prepared either in situ or in a separate step
  2. customthe reaction
  3. temperatureThe mixture is then heated to the polymerization temperature
  4. customthe polymerization

Quellen und Nachweise

ORD-Eintrag
ord-39e560adaef948a8bf684aeaa4574a5f
Quelldatensatz
uspto-grants-2000_03
Patentnummer
US06042908

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