申请人:CLARIANT INTERNATIONAL LTD.
公开号:EP1422267A1
公开(公告)日:2004-05-26
The present invention relates to novel colorants, based on 1,4,5,8-naphthalene tetracarboxylic dianhydride, for the mass coloring of synthetic polar polymers, such as polyamides, polyesters, polycarbonates and ABS, with improved heat stability and light fastness.
The invention further relates to a process for preparation of said colorants and to their use in transparent plastics, in fibre applications and in toner or coating applications.
本发明涉及基于1,4,5,8-萘四羧酸二酐的新型染料,用于合成极性聚合物(如聚酰胺,聚酯,聚碳酸酯和ABS)的质量着色,具有改进的耐热性和耐光性。本发明还涉及制备所述染料的过程以及它们在透明塑料,纤维应用和色调或涂层应用中的使用。