Water → Acrylamide

HRID 2295525Notes

Reaction equation

HRID 2295525 reaction equation
S(OOS([O-])(=O)=O)([O-])(=O)=O.[NH4+:11].[NH4+].[OH2:13].[CH2:14]=[CH:15][C:16]1[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=1>C(O)(C)(C)C>[C:16]([NH2:11])(=[O:13])[CH:15]=[CH2:14].[CH2:14]=[CH:15][C:16]1[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=1

Participants

6

Reactant 3

HCID 962WaterHCID 7501StyreneHCID 62648Ammonium Persulfate

Product 2

HCID 6579AcrylamideHCID 7501Styrene

Reagents, catalysts & solvents 1

HCID 6386tert-ButanolSolvent

Procedure

A copolymer of acrylamide (95.0 wt. %) and styrene (5.0 wt. %) is prepared according to a modification of the procedure of Example 1C using 0.5 wt. % n-C12SH, 0.2 wt. % ammonium persulfate and a solvent medium consisting of 75 wt. % deionized water and 25 wt. % t-butanol. The modification is that the styrene monomer is mixed into the chain transfer agent solution and fed into the reaction flask in that solution. Upon completion of the polymerization, the t-butanol is removed via a steam sparge to afford the product at 17.0% solids in water with a Brookfield Viscosity of 28,000 cps.

Workup

  1. additionis mixed into the chain transfer agent solution
  2. customUpon completion of the polymerization
  3. customthe t-butanol is removed via a steam
  4. customsparge

Sources & evidence

ORD record
ord-d3796363bc264f7eb841f1e9ab0a9228
Source dataset
uspto-grants-1984_01
Patent number
US04425469

Reaction notes

Loading…