Extrusion & Post
4 조회수
PETG and PC blending insufficient compatibility
문제 현상
When PETG and PC are mechanically blended, delamination and phase separation occur, and the mechanical properties are lower than expected.
원인 분석
PETG and PC are partially compatible but phase-separate at specific ratios, and the blending process parameters are insufficient to achieve good dispersion.
해결 방법
Use a compatibilizer (acrylate copolymer); optimize the twin-screw process; control the blending ratio within the compatibility window.
핵심 요약
PETG/PC alloy preparation requires the dual guarantee of compatibilizer and process.
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