4-Methoxyphenol → Urethane acrylate

HRID 23846

Reaktionsgleichung

Reaktionsgleichung von HRID 23846
[C:1]([O:5]CC(O)C)(=[O:4])[CH:2]=[CH2:3].CC1C(N=C=O)=CC([N:17]=[C:18]=[O:19])=CC=1.C([O-])(=O)C.C([O-])(=O)C.C([Sn+2]CCCC)CCC.COC1C=CC(O)=CC=1.C([C:53]1C=C(C)C=C(C(C)(C)C)[C:54]=1[OH:64])(C)(C)C>>[C:1]([OH:5])(=[O:4])[CH:2]=[CH2:3].[NH2:17][C:18]([O:64][CH2:54][CH3:53])=[O:19]

Komponenten

6

Edukt 5

HCID 90154-MethoxyphenolHCID 11443Toluene 2,4-DiisocyanateHCID 314042,6-Di-tert-butyl-4-methylphenolHCID 612492-Hydroxypropyl acrylateHCID 9798523Di-n-butyl diacetoxy tin

Produkt 1

HCID 21863578Urethane acrylate

Reaktionsbedingungen

Temperatur
70 °C

Versuchsvorschrift

260 g (2 mol) of 2-hydroxypropyl acrylate (molecular weight 130) was placed in a flask equipped with a stirring blade, and with constant stirring, 174 g (1 mol) of TDI (2,4-tolylene diisocyanate) was added dropwise, with care taken over the generated heat, and the temperature was raised to 70° C. 1 g of dibutyl tin diacetate, 0.2 g of hydroquinone monomethyl ether and 1 g of 2,6-di-t-butyl-4-methylphenol were then added. Reaction was allowed to proceed at this temperature for 7 hours, and once the disappearance of NCO absorption had been confirmed via an infrared absorption spectrum, the reaction mixture was removed, yielding a urethane acrylate (A-X) as the radical polymerizable oligomer (A). The number average molecular weight of the synthesized urethane acrylate (A-X) was 434.

Aufarbeitung

  1. customequipped with a stirring blade
  2. temperaturegenerated heat
  3. customReaction
  4. customonce the disappearance of NCO absorption
  5. customhad been confirmed via an infrared absorption spectrum
  6. customthe reaction mixture was removed

Quellen und Nachweise

ORD-Eintrag
ord-fcd592e6641c4edf9c1358088911e541
Quelldatensatz
uspto-grants-2005_02
Patentnummer
US06853788B2

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