Material Analysis
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Obvious change in melt flowability of polyamide (general-purpose nylon) after modification (becomes better or worse
Fenómeno do problema
The melt flowability of polyamide (general-purpose nylon) changes obviously after modification (becomes better or worse), affecting the processing process window
Análise das causas
（1）The added additives change the melt viscosity
（2）The addition amount is too large and the flowability changes excessively
（3）The additive dispersion is uneven and the local viscosity fluctuates
（4）The processing temperature does not match the modified material
（5）Improper lubricant addition
Solução
（1）Adjust the processing parameters to match the flowability after modification
（2）Reasonably control the additive addition amount
（3）Ensure uniform dispersion of the additives
（4）Adjust the temperature according to the modified material
（5）Use lubricants reasonably
Conclusão principal
Flowability changes require process adjustment to match the modified material
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