Extrusion & Post
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Interlayer Delamination in PCTG Co-Extrusion
Fenómeno del problema
Interlayer separation occurs when PCTG is co-extruded with other materials.
Análisis de la causa
The compatibility between the materials is insufficient, the melt temperatures of the layers do not match, resulting in viscosity differences, and no adhesive layer is used.
Solución
Use adhesive layer resin; optimize the temperature of each layer to match the viscosity; select compatible material combinations.
Conclusión clave
The interfacial bonding of PCTG co-extrusion depends on material and process matching.
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