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    • 9. 发明授权
    • Drain cleaner
    • 排水清洁剂
    • US4664836A
    • 1987-05-12
    • US777409
    • 1985-09-18
    • Roy M. Taylor, Jr.Steven R. Klemm
    • Roy M. Taylor, Jr.Steven R. Klemm
    • C11D3/00C11D3/395C11D7/06B08B9/02C11D7/54C11D17/06
    • C11D7/06C11D3/0052C11D3/3955
    • A drain cleaning composition includes at least about 40% by weight of a free-flowing coated alkali metal hydroxide and about 5% to 20% by weight of mixture of a hypochlorite generator and a peroxide generator. The hypochlorite and peroxide generators react to release oxygen gas and hypochlorite ions, the hypochlorite generator being in stoichiometric excess over the peroxide generator to produce free hypochlorite ions for dissolving hair and other protein based clogs. The coating on the drain cleaning composition prevents the hydroxide from reacting with the other components of the mixture before the mixture is added to water.
    • 排水清洁组合物包含至少约40重量%的自由流动的包覆的碱金属氢氧化物和约5重量%至20重量%的次氯酸盐发生剂和过氧化物发生剂的混合物。 次氯酸盐和过氧化物发生器反应释放氧气和次氯酸盐离子,次氯酸盐发生器的化学计量过量超过过氧化物发生器,以产生游离的次氯酸根离子,用于溶解毛发和其他基于蛋白质的堵塞物。 在排水清洁组合物上的涂层防止氢氧化物与混合物的其它组分反应,然后将混合物加入到水中。