Carbamic acid, ethyl ester → Urethane acrylate
Reaction equation
[C:1]([OH:5])(=[O:4])[CH:2]=[CH2:3].[NH2:6][C:7]([O:9][CH2:10][CH3:11])=[O:8].CC(C(OOC(C)(C)C)=O)(C)C>C(O)(C)C>[C:1]([OH:5])(=[O:4])[CH:2]=[CH2:3].[NH2:6][C:7]([O:9][CH2:10][CH3:11])=[O:8]Participants
5
Reactant 3
Product 1
Reagents, catalysts & solvents 1
Conditions
- Temperature
- 82 °C
Procedure
In a reactor provided with a stirrer, 600 parts by weight isopropanol was heated to 82° C. A monomer/initiator mixture was made containing 210 parts acrylic acid, 90 parts of a urethane of a,a,-dimethyl meta-isopropenyl ethanol benzyl isocyanate and a (C16-18)alkoxy(ethyleneoxy)19ethanol, and 4.8 parts Lupersol 11. Five minutes before the monomer/initiator feed began, 1.2 parts Lupersol 11 were added to the 82° C. isopropanol. The monomer/initiator mixture was then metered in over 2 hours, with the reactor contents kept at 82° C. Thereafter, the reactor contents were heated at 82° C. for a further 30 minutes, then cooled.
Workup
- customIn a reactor provided with a stirrer
- customFive minutes
- customwas then metered in over 2 hours, with the reactor contents
- customkept at 82° C
- temperaturecooled
Sources & evidence
- ORD record
- ord-6a67faac3b1a4499966e355cb5349e08
- Source dataset
- uspto-grants-1989_01
- Patent number
- US04797223
Reaction notes
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