| 摘要 |
Dispersant for solid phytosanitary formulations comprising: (a) at least one alkaline-earth metal lignosulphonate or ammonium lignosulfonate [component (a)], associated to (b) at least one ethoxylated or optionally etho-propoxylated, sulfated, partially or totally neutralised di- or tri-(phenyl-1 ethyl)phenol [component (b)], the weight ratio component (a)/component (b) being at the most 95/5, with the exception of a dispersant comprising calcium lignosulfonate and Soprophor DSS-7N in a weight ratio of 90/10. It can be prepared by spraying an aqueous solution containing both components. It may be used for the preparation of solid phytosanitary formulations. |
