申请人:Cytec Technology Corp.
公开号:US06537670B1
公开(公告)日:2003-03-25
The present invention relates to novel bisbenzophenones and the use thereof as an ultraviolet light absorber. The presently claimed compounds are particularly useful, either alone or in combination with other additives, including other ultraviolet light absorbers, antioxidants and stabilizers, in stabilizing polymers and other materials from degradation by environmental forces such as actinic radiation (ultraviolet light), oxidation, moisture, atmospheric pollutants and combinations thereof.
本发明涉及新型双苯甲酮类化合物及其作为紫外线吸收剂的用途。目前所要求的化合物在稳定聚合物和其他材料免受环境力量的降解方面特别有用,这些力量包括光化学辐射(紫外线)、氧化、湿度、大气污染物和它们的组合,可以单独使用或与其他添加剂(包括其他紫外线吸收剂、抗氧化剂和稳定剂)结合使用。