Styrene → Sodium 4-styrenesulfonate

HRID 1731861Notes

Reaction equation

HRID 1731861 reaction equation
[S:1]([O-:4])([O-:3])=[O:2].[Na+:5].[Na+].[CH2:7]=[CH:8][C:9]1[CH:14]=[CH:13][CH:12]=[CH:11][CH:10]=1.C(OCC)(=O)C=C.C(OCCO)(=O)C(C)=C>O>[CH2:7]=[CH:8][C:9]1[CH:14]=[CH:13][C:12]([S:1]([O-:4])(=[O:3])=[O:2])=[CH:11][CH:10]=1.[Na+:5]

Participants

6

Reactant 4

HCID 7501StyreneHCID 8821Ethyl AcrylateHCID 133602-Hydroxyethyl MethacrylateHCID 24437Sodium Sulfite

Product 1

HCID 3571582Sodium 4-styrenesulfonateYield 509.4%

Reagents, catalysts & solvents 1

HCID 962WaterSolvent2×

Procedure

A polymerization flask, the inner atmosphere of which was substituted with nitrogen, was charged with 0.2 g of Emulgen 935 (polyoxyethylene nonylphenol ether supplied by Kao-Atlas), 0.2 g of Emulgen 920 (polyoxyethylene nonylphenol ether supplied by Kao-Atlas), 0.3 g of acidic sodium sulfite (NaHSO3) and 46.5 g of water, and the temperature was elevated to 40° C. in a nitrogen current. A liquid monomer mixture comprising 30 g of styrene, 67 g of ethyl acrylate and 3 g of 2-hydroxyethyl methacrylate, an aqueous solution of 2.5 g of sodium p-styrene-sulfonate having a purity of 82.0% (Spinomar NaSS supplied by Toyo Soda) in 47.5 g of water and an aqueous solution of a polymerization initiator formed by dissolving 0.5 g of ammonium persulfate in 49.5 g of water were added into the polymerization flask over a period of 3 hours and polymerization was carried out at 40° C. After completion of the addition, the polymerization was further conducted at 40° C. for 3 hours.

Workup

  1. customA polymerization flask, the inner atmosphere of which was substituted with nitrogen
  2. customwas elevated to 40° C. in a nitrogen current

Sources & evidence

ORD record
ord-7d7f24e782134e8fba30e5f84db87426
Source dataset
uspto-grants-1986_11
Patent number
US04623689

Reaction notes

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