申请人:AIR LIQUIDE SANTE (INTERNATIONAL)
公开号:EP1652903A1
公开(公告)日:2006-05-03
The invention relates to an isothiazolone-containing preservative which comprises the condensation product of a mixture comprising glycol, urea and formaldehyde. The invention further relates to the use of the preservative in technical products, to the technical product and to the use of the condensation product for stabilizing isothiazolones. The inventive preservative is free from 5-chloro-2-methylisothiazolone and 2-mercaptopyridine N-oxide and derivatives thereof and also has good storage stability in the form of the concentrate, even at elevated temperature.
本发明涉及一种含异噻唑酮的防腐剂,它包括乙二醇、尿素和甲醛混合物的缩合产物。本发明还涉及该防腐剂在技术产品中的用途、技术产品以及该缩合产物在稳定异噻唑酮方面的用途。本发明的防腐剂不含 5-氯-2-甲基异噻唑啉酮和 2-巯基吡啶 N-氧化物及其衍生物,而且即使在高温下也具有良好的浓缩储存稳定性。