Molding Process
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DSTDP large impact strength fluctuation
Problem Phenomenon
DSTDP product impact strength fluctuates ±30%, unstable
Cause Analysis
DSTDP dispersed phase particle size fluctuates 0.2-1μm causing unstable toughening effect; crystallinity fluctuation affects impact
Solution
1) Stabilize processing conditions to ensure consistent dispersed phase particle size; 2) nucleating agent to control crystallinity; 3) raw material batch consistency control
Key Takeaway
Impact fluctuation is caused by dispersed phase and crystallization instability; stabilizing processing is key
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