Material Analysis
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Plasticizer migration during PLA processing
Problem Phenomenon
The plasticizer in PLA products migrates to the surface over time, producing a greasy feeling.
Cause Analysis
The low molecular plasticizer has limited compatibility with PLA and gradually migrates.
Solution
Use macromolecular plasticizers or reactive plasticizers to reduce migration.
Key Takeaway
PLA plasticizer migration affects the product surface and use safety.
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