Production & Quality
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PLA Nucleating Agent Accelerating Crystallization
Problem Phenomenon
PLA crystallizes slowly with a long molding cycle and insufficient crystallization, and the product performance is unstable
Cause Analysis
PLA crystallization kinetics is slow, and crystallization is insufficient during processing; nucleating agents accelerate crystallization and shorten the cycle; nucleating agents such as talc are common solutions; degradation conversely accelerates the crystallization kinetics
Solution
①Add nucleating agent (talc etc.) to accelerate crystallization; ②Mold heating and holding to promote crystallization; ③Monitor crystallinity consistency; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Key Takeaway
Nucleating agents are the standard means of PLA crystallization management; balancing cycle and performance relies on crystallization rate control; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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