申请人:Eastman Kodak Company
公开号:US04187213A1
公开(公告)日:1980-02-05
The invention relates to multiheterocyclic compounds which have been found to be effective ultraviolet stabilizers. The invention also relates to ultraviolet degradable organic compositions containing a stabilizing amount of the multiheterocyclic composition to prevent such degradation. These stabilizers are effective in the presence of other additives commonly employed in polymeric compositions including, for example, pigments, colorants, fillers, reinforcing agents and the like. These ultraviolet stabilizers may also be incorporated into the organic compositions in the polymer melt or dissolved in the polymer dope, coated on the exterior of the molded article, film or extruded fiber.
本发明涉及多种杂环化合物,这些化合物已被发现是有效的紫外线稳定剂。本发明还涉及含有多种杂环化合物的稳定剂量的紫外线可降解有机组合物,以防止这种降解。这些稳定剂在聚合物组合物中常用的其他添加剂存在下也是有效的,包括颜料、着色剂、填料、增强剂等。这些紫外线稳定剂也可以在聚合物熔融中或溶解在聚合物溶液中加入到有机组合物中,涂覆在成型物、薄膜或挤出纤维的外部。