| 摘要 |
<p>The invention relates to the use of an optionally substituted aromatic alcohols or phenols, other than phenol per se, of the general formula: HO.R1.Aryl(R2)n wherein R1 is absent or is C1-C6 alkyl, alkenyl or alkoxy, R2 is absent or one or more ring substituents selected from C1-C6 alkyl, alkenyl or alkoxy, and n is 0-5, as a biocidal activity improving additive in a non-abrasive cleaning composition of pH below 6 or above 8 which comprises 0.1-30 wt.% of an ethoxylated alkanol nonionic surfactant with an HLB of 9-14. The invention also relates to compositions comprising 0.15-15 wt.% of the phenol or alcohol and to a method of cleaning a surface which involves the step of treating the surface with such a composition.</p> |
