Methyl Methacrylate → 2-Propenoic acid, butyl ester, polymer with 2-ethylhexyl 2-propenoate

HRID 1699341Notes

Reaction equation

HRID 1699341 reaction equation
[O-][Si]([O-])([O-])[O-].[Mg+2].[Al+3].C(OC)(=O)C(C)=C.[C:15]([O:20][CH2:21][CH2:22][CH2:23][CH3:24])(=[O:19])[C:16]([CH3:18])=C.[C:25]([O:29][CH2:30][CH2:31][CH2:32][CH3:33])(=[O:28])[CH:26]=[CH2:27].C(OCCC[Si](OC)(OC)OC)(=O)C(C)=C.S(OOS([O-])(=O)=O)([O-])(=O)=O.[K+].[K+]>O>[CH3:30][CH2:31][CH2:32][CH2:33][CH:22]([CH2:21][O:20][C:15]([CH:16]=[CH2:18])=[O:19])[CH2:23][CH3:24].[CH3:33][CH2:32][CH2:31][CH2:30][O:29][C:25]([CH:26]=[CH2:27])=[O:28]

Participants

8

Reactant 6

HCID 6658Methyl MethacrylateHCID 7354Butyl MethacrylateHCID 8846Butyl AcrylateHCID 173183-(Trimethoxysilyl)propyl methacrylateHCID 24412Potassium PersulfateHCID 3084116Magnesium Aluminum Silicate

Product 1

HCID 1685972-Propenoic acid, butyl ester, polymer with 2-ethylhexyl 2-propenoate

Reagents, catalysts & solvents 1

HCID 962WaterSolvent

Procedure

On the other hand, magnesium aluminate metasilicate was dispersed in water as inorganic fine particles together with a very small amount of a surfactant (Surfinol 440, mfd. by Nissin Kagaku Kogyo K.K.), and the resulting dispersion, methyl methacrylate, butyl methacrylate, butyl acrylate and 3-trimethoxysilylpropyl methacrylate were mixed in the weight ratio of 3:2:3:2:0.2. The resulting mixture was treated with nitrogen to replace the air, after which potassium persulfate was added and emulsion polymerization was carried out at 60° C. for 8 hours. After completion of the reaction, the concentration was adjusted with water to prepare an (inorganic fine particles)-coated organic fine particles dispersion F (40 wt %) in which magnesium aluminate metasilicate fine particles had been formed on the surfaces of the acrylic copolymer resin fine particles.

Workup

  1. additionThe resulting mixture was treated with nitrogen
  2. customemulsion polymerization
  3. customAfter completion of the reaction
  4. concentrationthe concentration
  5. customto prepare an (inorganic fine particles)-coated organic fine particles dispersion F (40 wt %) in which magnesium aluminate metasilicate fine particles

Sources & evidence

ORD record
ord-eef699ceddbc485582ad3f4743929eda
Source dataset
uspto-grants-2002_02
Patent number
US06346253B2

Reaction notes

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