申请人:Yoshitomi Pharmaceutical Industries, Ltd.
公开号:US05169885A1
公开(公告)日:1992-12-08
Phosphite compounds of the formula ##STR1## wherein R.sup.1 is an alkyl having 1 to 22 carbon atoms, and use thereof. The phosphite compounds of the present invention show stabilizing action on organic materials and are useful as antioxidants. A combined use of the compounds of the present invention with hindered phenol compounds, light stabilizers or thioalkanoate compounds further improves stabilizing effect.
本发明提供了公式##STR1##中R.sup.1为1至22个碳原子的烷基的亚磷酸酯化合物及其用途。本发明的亚磷酸酯化合物对有机材料表现出稳定作用,并可作为抗氧化剂使用。本发明的化合物与阻碍酚化合物、光稳定剂或硫代醇酸酯化合物的联合使用进一步改善了稳定效果。