| 摘要 |
The percompounds activator used in the composition corresponds to the formula: <IMAGE> in which the symbols R1 to R6 represent hydrogen or certain alkyl, hydrocarbon or aromatic radicals according to Claim 1, it being possible for R5 and R6 additionally to represent certain acyl groups. It has the effect of causing a more rapid oxidation or bleaching at a given temperature, or an equivalent bleaching at a lower temperature. |
