专利名称:Process for the coloration of linear
polyesters in the melt withperylenetetracarboxylic acid bis-methylimide
发明人:Fridolin Babler申请号:US06/438445申请日:19821102公开号:US04436852A公开日:19840313
摘要:A process for coloring linear polyesters in the melt in navy blue and dark blueshades, which process comprises using, as colorant, a mixture consisting of 0.2 to 1% byweight of perylenetetracarboxylic acid bis- methylimide, based on the amount ofpolyester, and a blue polymer- soluble colorant.
申请人:CIBA-GEIGY CORPORATION
代理人:Luther A. R. Hall
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