Extrusion & Post
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PETG and PC blending insufficient compatibility
Fenómeno do problema
When PETG and PC are mechanically blended, delamination and phase separation occur, and the mechanical properties are lower than expected.
Análise das causas
PETG and PC are partially compatible but phase-separate at specific ratios, and the blending process parameters are insufficient to achieve good dispersion.
Solução
Use a compatibilizer (acrylate copolymer); optimize the twin-screw process; control the blending ratio within the compatibility window.
Conclusão principal
PETG/PC alloy preparation requires the dual guarantee of compatibilizer and process.
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