Molding Process
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Poor dyeing fastness of PLA fiber
Problem Phenomenon
After dyeing, the color fastness of PLA fiber is poor, and it fades after washing.
Cause Analysis
The force between PLA and dye molecules is weak, and the dye uptake rate and fastness are low.
Solution
Select disperse dyes for high-temperature and high-pressure dyeing; color fixing post-treatment.
Key Takeaway
PLA fiber dyeing is a textile application challenge.
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