申请人:Asahi Kasei Chemicals Corporation
公开号:EP1460054A1
公开(公告)日:2004-09-22
A polycarboxylic acid mixture comprising 80 % by weight or more of 1,3,6-hexanetricarboxylic acid, wherein the polycarboxylic acid mixture has a psychometric lightness L-value of 98 or more, a psychometric chroma a-value of from -2.0 to 2.0 and a psychometric chroma b-value of from -2.0 to 3.0, and has a nitrogen content of 5,000 ppm by weight or less.
一种聚羧酸混合物,包含 80%(重量)或更多的 1,3,6-己烷三羧酸,其中该聚羧酸混合物的心理光度 L 值为 98 或更高,心理色度 a 值为-2.0 至 2.0,心理色度 b 值为-2.0 至 3.0,氮含量为 5,000 ppm(重量)或更低。