Methyl Methacrylate → Decalin

HRID 921594Notes

Reaction equation

HRID 921594 reaction equation
C(OC)(=O)C(C)=C.C=CC1C=CC=CC=1.[CH:16]([C:18]1[CH:23]=[CH:22][CH:21]=[CH:20][C:19]=1[CH:24]=[CH2:25])=[CH2:17].C1(S(OCCCCCCCCCCCC)(=O)=O)C=CC=CC=1.[Na]>O>[CH2:24]1[CH:19]2[CH:18]([CH2:23][CH2:22][CH2:21][CH2:20]2)[CH2:16][CH2:17][CH2:25]1

Participants

6

Reactant 4

HCID 6658Methyl MethacrylateHCID 7501StyreneHCID 666661,2-DiethenylbenzeneHCID 57371080Sodium dodecylbenzene sulphonate2×

Product 1

HCID 7044Decalin

Reagents, catalysts & solvents 1

HCID 962WaterSolvent

Conditions

Temperature
80 °C

Procedure

To a 50 kgf/cm2 pressure resistant autoclave equipped with a stirrer, methyl methacrylate 200 parts, styrene 150 parts, a cross-linkable monomer constituted by divinyl benzene 5 parts, sodium dodecyl benzenesulfonate 10 parts, ion exchanged water 1200 parts, and a polymerization initiator constituted by azobis butyronitrile 10 parts were charged. The mixture was sufficiently stirred, then was heated to 80° C. to perform the polymerization. Further, after the start of polymerization, when the amount of consumption of the monomer reached 99.8%, the mixture was cooled to stop the polymerization reaction and thereby obtain a latex of the polymer particles D. The obtained latex of the polymer particles D had a solid content concentration of 39%. Note that, polymer particles D are particles which do not have a core-shell structure. Further, the obtained polymer particles D had an average particle size of 190 nm. Next, to the obtained latex of the polymer particles D, decalin: 15,000 parts were added and the particles were sufficiently dispersed. After that, the moisture was removed by drying in vacuo to thereby obtain a decalin dispersion of the polymer particles D. The obtained dispersion had a solid content concentration of 5%.

Workup

  1. customTo a 50 kgf/cm2 pressure resistant autoclave equipped with a stirrer
  2. additionwere charged
  3. customthe polymerization
  4. customFurther, after the start of polymerization, when
  5. customthe amount of consumption of the monomer
  6. temperaturethe mixture was cooled
  7. customthe polymerization reaction
  8. customobtain a latex of the polymer particles D
  9. customThe obtained latex of the polymer particles D

Sources & evidence

ORD record
ord-6ad577943e0b4dce95dbd410e36ea421
Source dataset
uspto-grants-2016_03
Patent number
US09276263B2

Reaction notes

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