Dispersible powder having increased self-inflammation temperature

摘要

Dispersion powder (I) with a high self-ignition temp.,contg. at least one antioxidant (II). Also claimed is a process for the prodn. of (I) by adding (II) to the powder, pref. by adding (II) to the aq. dispersion and then spray drying the mixt. Pref. (II) comprise phenols, phosphorus cpds., sterically hindered amines, phenothiazine, or alkyl or aryl mercaptans.