Pigment: Any intensely coloured compound used to colour other materials.
颜料：颜料是能使其它材料着色的有强烈色彩的化合物。
The present invention provides a catalyst for use in the preparation of a coloured polymeric material, said catalyst comprising a coloured organometallic compound.
本发明提供了用于制备有色聚合材料的催化剂，所述催化剂包括有色有机金属化合物。
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