[CH3:1][O:2][CH2:3][CH2:4][O:5][CH2:6][CH2:7][OH:8].[C:9]([OH:13])(=[O:12])[CH:10]=[CH2:11].C1(C)C=CC(S(O)(=O)=[O:21])=CC=1.O>C1(C)C=CC=CC=1>[C:9]([OH:13])(=[O:12])[CH:10]=[CH2:11].[CH3:1][O:2][CH:3]([OH:21])[CH2:4][O:5][CH2:6][CH2:7][OH:8]682 grams Methyl Carbitol (diethylene glycol monomethyl ether, Union Carbide) were azeotropically esterified with 598.9 grams acrylic acid in 272 grams toluene in the presence of 22.8 grams p-toluenesulfonic acid and inhibitors until no more water was collected. Conditions were 95°-98° C., nitrogen sparge in vacuo. On completion, the product was washed and neutralized with sodium carbonate. 1,300 ppm p-methoxyphenol were added and solvent removed at 80° C. at maximum vacuum with an air sparge. Filter aid was added and the product filtered to clarity at 50° C. The final product was a clear, light yellow liquid, viscosity 6 cps with a Gardner 1 color.
Wird geladen…
