Vinyl Acetate → Ethenyl acetate--ethyl prop-2-enoate (1/1)

HRID 1413064Notes

Reaction equation

HRID 1413064 reaction equation
[C:1]([O:4][CH:5]=[CH2:6])(=[O:3])[CH3:2].[C:7]([O:11][CH2:12][CH3:13])(=[O:10])[CH:8]=[CH2:9]>>[C:1]([O:4][CH:5]=[CH2:6])(=[O:3])[CH3:2].[C:7]([O:11][CH2:12][CH3:13])(=[O:10])[CH:8]=[CH2:9]

Participants

3

Reactant 2

HCID 7904Vinyl Acetate2×HCID 8821Ethyl Acrylate

Product 1

HCID 168319Ethenyl acetate--ethyl prop-2-enoate (1/1)

Procedure

Finely divided vinyl acetate-ethyl acrylate copolymer is prepared exactly as described in Example 1 except that in place of vinyl acetate there is used a 60:40 mixture of vinyl acetate and ethyl acrylate. The postheating time is extended to 2-1/2 hours at 80° C. followed by distillation to remove 66.5 parts of a mixture of unreacted monomer and solvent. The resulting dispersion contains 53.6% solids and has a particle size of 0.43 micron. The polymer has a reduced specific viscosity of 1.24 which indicates a molecular weight above 100,000 and has a glass transition temperature of 0° C.

Workup

  1. waitThe postheating time is extended to 2-1/2 hours at 80° C.
  2. distillationfollowed by distillation
  3. customto remove
  4. addition66.5 parts of a mixture of unreacted monomer and solvent

Sources & evidence

ORD record
ord-be04a51e19594452b5e35889e1458c43
Source dataset
uspto-grants-1981_02
Patent number
US04248746

Reaction notes

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