Processing Machinery
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PP Nucleating Agent Application
Fenómeno do problema
[Problem Phenomenon] PP products have insufficient rigidity or poor transparency; nucleation modification evaluation
Análise das causas
Nucleating agents refine PP spherulites: improve rigidity, transparency, and dimensional stability, and shorten the molding cycle; α nucleation increases rigidity, β nucleation increases toughness; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based on experience alone
Solução
Select α nucleating agent for rigidity and transparency; select β nucleating agent for toughening; select type and dosage according to target performance; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Conclusão principal
PP nucleating agents: α for rigidity, β for toughness; dual benefits in transparency and cycle; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar future problems
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