Extrusion & Post
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POE internal delamination cracking
Fenómeno del problema
POE product internal delamination, cracking along the interface
Análisis de la causa
POE and incompatible filler or blend component interfacial adhesion poor; cooling shrinkage difference causes interlayer stress
Solución
1) Use compatibilizer to improve interfacial adhesion; 2) Uniform cooling to reduce interlayer stress; 3) Reduce incompatible component addition
Conclusión clave
Internal delamination is caused by poor interface and shrinkage difference; compatibilizer and uniform cooling are key
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