Molding Process
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Poor dyeing fastness of PLA fiber
Fenómeno del problema
After dyeing, the color fastness of PLA fiber is poor, and it fades after washing.
Análisis de la causa
The force between PLA and dye molecules is weak, and the dye uptake rate and fastness are low.
Solución
Select disperse dyes for high-temperature and high-pressure dyeing; color fixing post-treatment.
Conclusión clave
PLA fiber dyeing is a textile application challenge.
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