A stable liquid dispersion in an non-polar organic solvent containing an alkylsulphonylhalopyridine and a dispersing agent which is the reaction product of a hydroxyalkylcarboxylic acid and an amine or salt thereof. The alkylsulphonylhalopyridine may be 2,3,5,6-tetrachloro-4-(methylsulphenyl)pyridine and the hydroxycarboxylic acid may be poly(12-hydroxystearic acid) and the amine may be either dimethylamino propylamine or polyethyleneimine. The solvent may be white spirit or an ester or vegetable oil which is a plasticiser for PVC.
在非极性有机溶剂中含有烷基磺
酰卤代
吡啶和一种分散剂的稳定液体分散体系,该分散剂是羟基烷基
羧酸和胺或其盐的反应产物。烷基磺
酰卤代
吡啶可能是2,3,5,6-四
氯-4-(甲磺基)
吡啶,羟基
羧酸可能是聚(
12-羟基硬脂酸),胺可能是二甲基
氨基
丙胺或聚
乙烯亚胺。溶剂可能是白
酒精或
酯类或植物油,它是P
VC的
增塑剂。