Methacrylic Acid → Methacrylic acid ethylene oxide

HRID 625196

Reaction equation

HRID 625196 reaction equation
[Na:1].[CH2:2]1[O:4][CH2:3]1.[C:5]([OH:10])(=[O:9])[C:6]([CH3:8])=[CH2:7].[CH2:11]=[CH:12][C:13]1[CH:18]=[CH:17][CH:16]=[CH:15][CH:14]=1.[C:19]([OH:24])(=[O:23])[C:20]([CH3:22])=[CH2:21].S(OOS([O-])(=O)=O)([O-])(=O)=O.[NH4+].[NH4+]>O>[CH:11]([CH2:7][C:6](=[CH2:8])[C:5]([OH:10])=[O:9])=[CH:12][C:13]1[CH:18]=[CH:17][CH:16]=[CH:15][CH:14]=1.[C:19]([O:24][CH2:16][CH2:17][CH2:18][CH3:13])(=[O:23])[CH:20]=[CH2:21].[Na:1].[CH2:3]1[O:4][CH2:2]1.[C:19]([OH:24])(=[O:23])[C:20]([CH3:22])=[CH2:21]

Participants

8

Reactant 5

HCID 4093Methacrylic AcidHCID 7501StyreneHCID 62648Ammonium Persulfate2×HCID 5360545SodiumHCID 21880491Methacrylic acid ethylene oxide

Product 2

HCID 21880491Methacrylic acid ethylene oxideHCID 86591398Styrene-methacrylic acid butyl acrylate sodium

Reagents, catalysts & solvents 1

HCID 962WaterSolvent

Procedure

A reactor equipped with a stirring rod and a thermometer was charged with: 683 parts by mass of water; 11 parts by mass of a sodium salt of sulfate ester of methacrylic acid ethylene oxide adduct (ELEMINOL RS-30, manufactured by Sanyo Chemical Industries, Ltd.); 138 parts by mass of styrene; 138 parts by mass of methacrylic acid; and 1 part by mass of ammonium persulfate, which was stirred at 400 rpm for 15 minutes, and a white emulsion was obtained. The emulsion was heated so that the system has a temperature of 75° C. and was subjected to a reaction for 5 hours. Further, 30 parts by mass of a 1-% by mass aqueous solution of ammonium persulfate were added, which was aged at 75° C. for 5 hours, and an aqueous dispersion solution of a vinyl resin (a copolymer of styrene-methacrylic acid-butyl acrylate-sodium salt of sulfate ester of methacrylic acid ethylene oxide adduct) [Resin Fine Particles Dispersion 2] was obtained. A volume-average particle diameter of [Resin Fine Particles Dispersion 2] measured by LA-920 was 0.14 μm.

Workup

  1. customA reactor equipped with a stirring rod
  2. customa white emulsion was obtained
  3. temperatureThe emulsion was heated so that the system
  4. customa temperature of 75° C.
  5. customwas subjected to a reaction for 5 hours

Sources & evidence

ORD record
ord-e3d9a9e698234586b16f628cbe9d3485
Source dataset
uspto-grants-2016_04
Patent number
US09304427B2

Linked notes

Loading…