Azobisisobutyronitrile → HCID 19000794, compound

HRID 1087234Notes

Reaction equation

HRID 1087234 reaction equation
[C:1]([O:4][CH:5]=[CH2:6])(=[O:3])[CH3:2].[C:7]([O:10][CH2:11][CH:12]=[CH2:13])(=[O:9])[CH3:8].N(C(C)(C)C#N)=NC(C)(C)C#N>CO>[C:1]([O:4][CH:5]=[CH2:6])(=[O:3])[CH3:2].[C:7]([O:10][CH2:11][CH:12]=[CH2:13])(=[O:9])[CH3:8]

Participants

5

Reactant 3

HCID 6547AzobisisobutyronitrileHCID 7904Vinyl Acetate2×HCID 11584Allyl acetate2×

Product 1

HCID 19000794HCID 19000794, compound

Reagents, catalysts & solvents 1

HCID 887MethanolSolvent3×

Conditions

Temperature
65 °C

Procedure

A reactor was charged with 1125 parts of vinyl acetate (VAc), 150 parts of allyl acetate (AAc), and 1570 parts of methanol. The atmosphere in the reactor was completely replaced with nitrogen. The external temperature was raised to 65° C., and when the internal temperature had reached 60° C., 19.5 parts of 2,2'-azobisisobutyronitrile was added to initiate polymerization. Five hours later, when conversion to polymer reached 70%, the reactor was cooled to suspend polymerization. Unreacted VAc and AAc were eliminated under reduced pressure by adding methanol. Thus there was obtained a methanol solution of VAc-AAc copolymer.

Workup

  1. customhad reached 60° C.
  2. custompolymerization
  3. customFive hours
  4. temperaturethe reactor was cooled
  5. custompolymerization

Sources & evidence

ORD record
ord-c2c93afa239c4534925d2a61bed121e4
Source dataset
uspto-grants-1991_07
Patent number
US05034451

Reaction notes

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