6-Aminohexanoic Acid → Nylon 6/66

HRID 266222

반응식

HRID 266222 반응식
[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]

참가 물질

4

반응물 3

HCID 5646-Aminohexanoic AcidHCID 7768CaprolactamHCID 197024Hexamethylenediamine adipate

생성물 1

HCID 168236Nylon 6/66

실험 절차

The low molecular weight polyamides are generally prepared by melt phase polymerization 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.

후처리

  1. customphase polymerization from a diacid-diamine complex which
  2. custommay be prepared either in situ or in a separate step
  3. customthe reaction
  4. temperatureThe mixture is then heated to the polymerization temperature
  5. customthe polymerization

출처 및 근거

ORD 기록
ord-0f582afcd32547e28e7ee64daa2a9cf4
출처 데이터셋
uspto-grants-1997_07
특허 번호
US05650469

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