Organophosphonate co-ester, stabiliser composition containing it and synthetic resin stabilised therewith
申请人:S.A. Diamond Shamrock Benelux N.V.
公开号:EP0006842A1
公开(公告)日:1980-01-23
New polyhydric phenol coesters are disclosed of polyhydric phenols, having 2 to 3 phenolic hydroxyl groups and 1 to 3 benzenoid rings, with carbonic acid and an organophosphonic acid having linked to phosphorus an alkyl, aryl, aralkyl or alkaryl group optionally substituted with a phenolic hydroxyl group. The new coesters have molecular weights up to a maximum of about 10,000, preferably from 1000 to 9000, and are highly effective stabilizers for a variety of synthetic resins.
Stabilizer compositions comprising a polyhydric phenol coester and a known polymer stabilizer, as well as synthetic resins stabilized with such stabilizer compositions, are also disclosed.
新的多羟基酚共聚物由多羟基酚、碳酸和有机膦酸组成,碳酸和有机膦酸具有 2 至 3 个酚羟基和 1 至 3 个苯环,碳酸和有机膦酸具有与磷相连的烷基、芳基、芳烷基或烷芳烷基,这些烷基、芳基、芳烷基或烷芳烷基可选择被酚羟基取代。新型共聚物的分子量最高可达 10,000 左右,最好在 1000 到 9000 之间,是各种合成树脂的高效稳定剂。
此外,还公开了由多羟基苯酚共聚物和已知聚合物稳定剂组成的稳定剂组合物,以及用这种稳定剂组合物稳定的合成树脂。