Sulfuric Acid → HCID 86642224, compound

HRID 1033087Notes

Reaction equation

HRID 1033087 reaction equation
S(=O)(=O)(O)O.[C:6]([O:11][CH3:12])(=[O:10])[C:7]([CH3:9])=[CH2:8].[C:13]([O:17][CH2:18][CH2:19][CH2:20][CH3:21])(=[O:16])[CH:14]=[CH2:15].Br([O-])(=O)=O.[K+].[C:27]([O:31][CH2:32][CH2:33][OH:34])(=[O:30])[CH:28]=[CH2:29]>O>[C:6]([O:11][CH3:12])(=[O:10])[C:7]([CH3:9])=[CH2:8].[C:13]([O:17][CH2:18][CH2:19][CH2:20][CH3:21])(=[O:16])[CH:14]=[CH2:15].[C:27]([O:31][CH2:32][CH2:33][OH:34])(=[O:30])[CH:28]=[CH2:29]

Participants

7

Reactant 5

HCID 1118Sulfuric AcidHCID 6658Methyl Methacrylate2×HCID 8846Butyl Acrylate2×HCID 131652-Hydroxyethyl acrylateHCID 23673461Potassium Bromate

Product 1

HCID 86642224HCID 86642224, compound

Reagents, catalysts & solvents 1

HCID 962WaterSolvent

Conditions

Temperature
65 °C

Procedure

In a glass-made polymerization reactor equipped with a reflux condenser, a dropping funnel, a thermometer and a nitrogen injection nozzle were placed 5 parts of PVA having a mercapto group at an end thereof (average degree of polymerization of 550, degree of hydrolysis of 88.0 mol% and mercapto group (SH) content of 3.2×10-5 equivalent/g) and 100 parts of ion-exchanged water, in which the PVA was completely dissolved at 95° C. The solution was adjusted to pH 3.0 with sulfuric acid, incorporated with 10 parts of methyl methacrylate and 10 parts of n-butyl acrylate, heated to 65° C. after atmosphere in the reactor was replaced with nitrogen, incorporated with 1.3 part of 2% potassium bromate aqueous solution to initiate polymerization and to the mixture were continuously added 40 parts of methyl methacrylate, 38 parts of n-butyl acrylate and 2 parts of 2-hydroxyethyl acrylate over a period of 2 hours. The polymerization was completed after 3 hours from the start thereof, producing a stable copolymer emulsion (I) of methyl methacrylate/n-butyl acrylate/2-hydroxyethyl acrylate having a solid concentration of 50.9%, a viscosity of 750 mPas.s and an average particle diameter of 0.9μm.

Workup

  1. customIn a glass-made polymerization reactor
  2. customequipped with a reflux condenser, a dropping funnel
  3. dissolutionin which the PVA was completely dissolved at 95° C
  4. custompolymerization

Sources & evidence

ORD record
ord-51c2f51c65364c0994e336701f32ed52
Source dataset
uspto-grants-1994_05
Patent number
US05308910

Reaction notes

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