|국가/구분||United States(US) Patent 등록|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 26 인용 특허 : 0|
A new polymerization inhibitor combination has been developed which is effective in stabilizing acrylate esters during their distillation.
A method for inhibiting the polymerization of crude dimethylaminoethyl methacrylate during its purification by distillation which comprises conducting said distillation in the presence of an inhibitor combination consisting essentially of a phenolictype polymerization inhibitor selected from the group consisting of: o-tert-butylphenol, p-methoxyphenol, 2,6-di-tert-butyl-p-cresol, 2,2′-methylenebis (6-tert-butyl-p-cresol), 4,4′thiobis (6-tert-butyl-m-cresol, 4,4′-thiobis (6-tert-butyl-o-cresol), thiobis (di-sec-amylphenol), 4,4′-butylidene (6-tert-butyl-m...