Problem & Lösung

Praktische Antworten auf häufige Herausforderungen mit Kunststoffmaterialien

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Delamination in PU Blending with Incompatible Resins

Extrusion & Post PU blend delaminationpolarity differencePU-g-MAHreactive compatibilizationinterfacial bonding

Die Buildup and Carbon Deposit in PU Extrusion

Extrusion & Post PU extrusiondie carbon depositPE flushingstagnation zonethermal oxidation

Pellet Sticking in PU Extrusion Pelletizing

Extrusion & Post PU pelletizingpellet stickingpelletizing water temperaturecutter speedelastic recovery

Melt Fracture in PU Extrusion

Extrusion & Post PU extrusionmelt fractureelastic recoverydie L/Dextrusion rate

EVOH Surface Snakeskin Pattern

Extrusion & Post EVOHsnakeskin patternextrusion temperatureelastic recoverydie temperature control

EVOH Internal Delamination Cracking

Extrusion & Post EVOHinternal delaminationinterfacial adhesioncompatibilizeruniform cooling

EVOH Screw Slippage

Screw slippage is caused by premature melting; cooling the feed section is key

Extrusion & Post EVOHscrew slippagefeed section temperaturepremature meltingflight deepening

Large EVOH Dimensional Change with Temperature

Extrusion & Post EVOHdimensional temperature sensitivitycoefficient of thermal expansionrigid fillerannealing

Dense EVOH Surface Pits

Extrusion & Post EVOHsurface pitimpurity particlemold repairraw material purity

Material Overflow at EVOH Vacuum Vent

Overflow is caused by low melt viscosity; cooling and adding baffle are key

Extrusion & Post EVOHvacuum vent overflowmelt viscositycoolingvent baffle

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