Daba → Cbda daba

HRID 2112365Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 2112365
[CH:1]12[C:13](=[O:14])[O:12][C:10](=[O:11])[CH:2]1[CH:3]1[C:8](=[O:9])[O:7][C:5](=[O:6])[CH:4]12.[CH3:15][CH2:16][N:17]([CH2:20][C:21]([NH:23][C:24]1[CH:29]=[CH:28][CH:27]=[C:26]([O:30][CH2:31][C:32]2[CH:37]=[CH:36][CH:35]=[CH:34][CH:33]=2)[CH:25]=1)=[O:22])[CH2:18][CH3:19]>CN1C(=O)CCC1>[CH:2]12[C:10](=[O:11])[O:12][C:13](=[O:14])[CH:1]1[CH:4]1[C:5](=[O:6])[O:7][C:8](=[O:9])[CH:3]12.[CH3:19][CH2:18][N:17]([CH2:20][C:21]([NH:23][C:24]1[CH:29]=[CH:28][CH:27]=[C:26]([O:30][CH2:31][C:32]2[CH:33]=[CH:34][CH:35]=[CH:36][CH:37]=2)[CH:25]=1)=[O:22])[CH2:16][CH3:15]

Komponenten

4

Edukt 2

HCID 29643DabaHCID 1072801,2,3,4-Cyclobutanetetracarboxylic dianhydride

Produkt 1

HCID 131727427Cbda daba

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 13387N-methyl-2-pyrrolidoneLösungsmittel2×

Versuchsvorschrift

19.22 g (0.098 mol) of CBDA as the tetracarboxylic dianhydride component, and 20.45 g (0.09 mol) of DABA and 2.92 g (0.01 mol) of DADOB, as the diamine component, were mixed in 230 g of GBL and reacted for 20 hours at room temperature to obtain a polyamic acid solution. The polymerization reaction proceeded easily and uniformly, and the reduced viscosity of the obtained polyamic acid was 1.48 dl/g. Further, NMP, GBL and BCS were added so that this solution comprised 4 wt % of the polyamic acid, 46 wt % of NMP, 30 wt % of GBL and 20 wt % of BCS, to obtain a liquid crystal aligning agent for comparison.

Aufarbeitung

  1. customreacted for 20 hours at room temperature
  2. customto obtain a polyamic acid solution
  3. customThe polymerization reaction
  4. customto obtain a liquid crystal aligning agent for comparison

Quellen und Nachweise

ORD-Eintrag
ord-98224698533a433fa1e7038162314ccd
Quelldatensatz
uspto-grants-2009_04
Patentnummer
US07524541B2

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