2-ethylhexanoic acid tin(II) salt → Ethyl carbamate;bis(2-methylprop-2-enoic acid)

HRID 1194485

Reaktionsgleichung

Reaktionsgleichung von HRID 1194485
CC(CCCC[N:13]=[C:14]=[O:15])C(N=C=O)(C)C.[CH3:16][CH2:17]C[CH2:19][CH:20]([C:23]([O-:25])=[O:24])[CH2:21]C.CCC[CH2:29][CH:30]([C:33]([O-:35])=[O:34])[CH2:31]C.[Sn+2]>>[C:23]([OH:25])(=[O:24])[C:20]([CH3:21])=[CH2:19].[C:33]([OH:35])(=[O:34])[C:30]([CH3:31])=[CH2:29].[NH2:13][C:14]([O:15][CH2:16][CH3:17])=[O:34]

Komponenten

3

Edukt 2

HCID 93182-ethylhexanoic acid tin(II) saltHCID 3033881Trimethylhexa-1,6-diyl diisocyanate

Produkt 1

HCID 21885196Ethyl carbamate;bis(2-methylprop-2-enoic acid)

Versuchsvorschrift

To a mechanically-stirred mixture of 28.59 weight parts of trimethylhexamethylene diisocyanate and 0.04 weight part of stannous octoate in a reactor and purged with dry air, there is added 44.80 weight parts of polytetramethylene ether glycol, while maintaining the reaction temperature at 50° to 60° C. After the addition is complete, the mixture is heated to 70° to 80° C. and held for 3 hours. A 26.58 weight parts of hydroxyethyl methacrylate (HEMA) was added and the mixture was stirred at 70° to 80° C. until the percent NCO assay was below 0.01%.

Aufarbeitung

  1. custompurged
  2. customwith dry air, there
  3. additionis added 44.80 weight parts of polytetramethylene ether glycol
  4. temperaturewhile maintaining the reaction temperature at 50° to 60° C
  5. additionAfter the addition
  6. temperaturethe mixture is heated to 70° to 80° C.
  7. additionA 26.58 weight parts of hydroxyethyl methacrylate (HEMA) was added

Quellen und Nachweise

ORD-Eintrag
ord-da0fdd3ad703426f857a99254d42abae
Quelldatensatz
uspto-grants-1989_03
Patentnummer
US04814423

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