Methacrylic Acid → Methacrylic Acid

HRID 479743Notes

Reaction equation

HRID 479743 reaction equation
[C:1]([OH:6])(=[O:5])[C:2]([CH3:4])=[CH2:3].[C:7]([O:11][CH2:12][CH2:13][CH2:14][CH3:15])(=[O:10])[CH:8]=[CH2:9]>O>[C:7]([O:11][CH2:12][CH2:13][CH2:14][CH3:15])(=[O:10])[CH:8]=[CH2:9].[C:1]([O:6][CH3:7])(=[O:5])[C:2]([CH3:4])=[CH2:3].[C:1]([OH:6])(=[O:5])[C:2]([CH3:4])=[CH2:3]

Participants

6

Reactant 2

HCID 4093Methacrylic AcidHCID 8846Butyl Acrylate

Product 3

HCID 4093Methacrylic AcidHCID 6658Methyl MethacrylateHCID 8846Butyl Acrylate

Reagents, catalysts & solvents 1

HCID 962WaterSolvent

Conditions

Temperature
81 °C

Procedure

A sample of butyl acrylate (BA), methyl methacrylate (MMA), and methacrylic acid (MAA) polymer was prepared according to the procedure in Example 2 with the same monomer mixture which consisted of 28.21 g MAA, 663.1 g, 1468.8 g BA and 10.5 g SLS. In this case, a reaction vessel containing 1130 g deionized, buffered water and 5.0 g SLS was heated to 81° C. The remaining monomer mix, NaPS, as well as an additional 15.5 g of SLS were fed to the vessel after the initial addition of the mixture. Following neutralization, the resultant polymer had an average particle size of 254 nm with a particle size distribution ranging from 165 nm to 341 nm. The calculated Tg of this polymer was

Workup

  1. additionIn this case, a reaction vessel containing 1130 g
  2. additionThe remaining monomer mix
  3. additionaddition of the mixture

Sources & evidence

ORD record
ord-80485ae975c34f47b956eeda9fa8c08a
Source dataset
uspto-grants-2003_11
Patent number
US06646024B2

Reaction notes

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