Molding Process
4 조회수
Excessive density of PLA foamed products
문제 현상
The density of PLA foamed products does not reach the lightweighting target.
원인 분석
The PLA melt strength is insufficient, the foaming gas easily escapes, and the expansion rate is low; the blowing agent does not match.
해결 방법
Use branched PLA or PLA chain extension to enhance the melt strength; optimize the blowing agent and process.
핵심 요약
PLA foaming needs to solve the melt strength problem.
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