| 摘要 |
1,236,710. Bleaching compositions. CASSELLA FARBWERKE MAINKUR A.G. 5 Aug., 1969 [6 Aug., 1968], No. 39163/69. Heading DIP. [Also in Division Cl] A composition suitable for bleaching fibres and fabrics comprises a stable aqueous mixture having a pH of greater than 10 of an alkali metal chlorite and a surfactant of the general formula: wherein R represents the radicals -C n H 2n+1 or n and x are integers greater than 6, y is 0 or 1 and R 1 represents a methyl radical or hydrogen. A preferably mixture comprises sodium chlorite and a surfactant wherein R above represents Formula II above, y=O and R 1 is hydrogen. The surfactants of the above formula may be partly replaced by ethoxylated alkylphenols and/or ethoxylated alcohols having more than 6 ethoxy groups. |
