| 摘要 |
The present invention relates to an aramid black dope-dyed yarn, and a preparation method therefor and, more specifically, to an aramid black dope-dyed yarn and a preparation method therefor, the aramid black dope-dyed yarn having, due to the addition of three or more types of organic pigments to sulfuric acid to be used in a solvent, no discoloration and a high strength retention rate by having little strength deterioration compared with a conventional aramid black dope-dyed yarn using carbon black. |
