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    • 9. 发明授权
    • Glycol-based cleaning solvent
    • 基于乙二醇的清洗溶剂
    • US06204237B1
    • 2001-03-20
    • US09399204
    • 1999-09-17
    • Masayasu SuzukiAkiyasu Kaneko
    • Masayasu SuzukiAkiyasu Kaneko
    • C11D750
    • C11D7/5018C11D7/263C11D7/266C11D7/28
    • A nonflammable glycol-based cleaning solvent which is not classified as, a hazardous material is provided. Isopropyl bromide (IPB) and/or n-propyl bromide (NPB), both of which being nonflammable solvents, is mixed to a main component comprised of propylene glycol-based solvents. The thus-obtained glycol-based cleaning solvent is given a nonflammable, flameproof characteristic. The first ingredient, comprised of one type of propylene glycol-based solvent or a plurality of types thereof, has a flash point of 28° C. or above. The amount of IPB and/or NPB being added to 100 pts.wt. of the first ingredient is in the range of 10-70 pts.wt., considering the negative influence of IPB and/or NPB on plastics and rubber.
    • 提供不分类为危险物质的不易燃的基于乙二醇的清洗溶剂。 这两种是不燃性溶剂的异丙基溴(IPB)和/或正丙基溴(NPB)与由丙二醇基溶剂组成的主要组分混合。 由此获得的基于乙二醇的清洁溶剂被赋予不可燃的防火特性。 由一种丙二醇类溶剂或其多种类型构成的第一成分的闪点为28℃以上。 将IPB和/或NPB的添加量加到100 pts.wt. 考虑到IPB和/或NPB对塑料和橡胶的负面影响,第一成分在10-70重量份的范围内。