| 摘要 |
A pigment for colouring linear polyester in the melt was prepd. by mixing with pigment, NaCl and diaceton alcohol. Thus, 5 kg CI red pigment 166 was mixed with 30 fine powder NaCl and 4.5 kg diaceton alcohol, wet-milled by hammer mill, and died in the vacuum oven at 75≦̸C for 48hr. 5 kg Pigment was mixed with 5 kg polyester powder in the roller gear bed for 3 hr, died at 60-70≦̸C for 72 hr under vacuum and cut in the kneader to give pigment compd. used as colouring linear polyester in the melt.
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