| 摘要 |
PURPOSE: Provided is dope dyed sea-island type conjugated multi-filament which is characterized by having excellent heat shrinking effect on a post-finishing process, increasing wash fastness and light fastness, being possible to express needed colors without an additional dyeing process and having excellent texture and appearance. CONSTITUTION: The dope dyed sea-island type conjugated multi-filament is comprised of dissolved polymer as sea ingredient and polyester as island ingredient. The island-ingredient contains 0.1-15wt.% of dope dyed ingredient selected from the group containing carbon black, pigment and dyes. A temperature range(Tα-Tβ) revealing at least 95% of maximum heat stress is 120-210deg.C.
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