| 摘要 |
A bleaching composition comprises (a) an inorganic peroxide, (b) a nonionic surfactant and (c) a polymer of the following general formula (I), a copolymer comprising a monomer unit of the general formula (I) or a water-soluble salt thereof: <IMAGE> (I) wherein X, Y and Z represent each -H, -CH3, -COOM, -CH2COOM or -OH, M represents H, an alkali metal or a mixture of them and _n represents a number of at least 2.
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