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    • 10. 发明公开
    • 안정화된 아미드 조성물
    • 稳定剂
    • KR1020030038367A
    • 2003-05-16
    • KR1020020064799
    • 2002-10-23
    • 미쓰이 가가쿠 가부시키가이샤
    • 아베다케야사사키겐주
    • C07C231/22
    • C07C231/22C07C233/09
    • PURPOSE: Stabilized amides are provided, to prevent the polymerization of amides when amides are produced, stored or preserved and to obtain a very stable aqueous solution containing amides or an amide crystal. CONSTITUTION: The stabilized amides comprise 1-100 ppm a sulfur-containing compound, and 1-3,000 ppm of a salt of a weak acid. Preferably the sulfur-containing compound is thiourea; and the salt of a weak acid is a salt of an organic acid with a dissociation constant of 3.5-5.5. Preferably the amides are an unsaturated amide, more preferably acrylamide or methacrylamide. The amides are a crystal or an aqueous solution.
    • 目的:提供稳定的酰胺,以防止酰胺在生产,储存或保存时聚合酰胺,并获得非常稳定的含有酰胺或酰胺晶体的水溶液。 构成:稳定的酰胺包含1-100ppm的含硫化合物和1-3,000ppm的弱酸盐。 优选含硫化合物是硫脲; 弱酸的盐是解离常数为3.5-5.5的有机酸的盐。 优选地,酰胺是不饱和酰胺,更优选丙烯酰胺或甲基丙烯酰胺。 酰胺是水晶或水溶液。