Problem & Lösung

Praktische Antworten auf häufige Herausforderungen mit Kunststoffmaterialien

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PES blend phase separation problem

PES blending needs to solve its intrinsic incompatibility problem

Material Analysis blendingphase separationcompatibilizerreactive extrusionfast cooling

PES hollow fiber membrane unstable drawing

The PES hollow fiber membrane manufacturing process is high-precision process control

Extrusion & Post hollow fiber membranespinning solutioncoagulation bathdraw ratio

Defects in PES film casting

PES film formation has strict requirements on every step of the process

Material Drying film castingcasting solutionsolvent volatilizationgradient dryingair field uniformity

Product surface yellowing

The yellowing of PES is a direct manifestation of thermo-oxidation

Molding Process yellowingthermo-oxidationmelt temperatureantioxidantchromophores

Product stress cracking

The stress cracking problem of PES can be solved by annealing and optimizing the design

Molds & Tooling stress crackingannealingmold temperaturesharp cornersdesign optimization

Insufficient mold filling flow length

PES requires higher processing temperature and mold temperature to assist filling

Molds & Tooling mold fillingmelt temperaturemold temperaturemelt viscosityflow window

Product black spots

Black spots reflect local thermal degradation of PES

Processing Machinery black spotsdegradationmelt temperatureresidence timedead corner cleaning

Product bubbles and silver streaks

Material Drying bubblessilver streaksdryingmoisture contentholding pressure

PEI processing comprehensive problem - dimensional accuracy

Processing Machinery PEIdimensional accuracyprocessing qualityprocess optimizationequipment management

PEI processing comprehensive problem - thermal stability

Processing Machinery PEIthermal stabilityprocessing qualityprocess optimizationequipment management

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