Molding Process
6 مشاهدة
Excessive density of PLA foamed products
ظاهرة المشكلة
The density of PLA foamed products does not reach the lightweighting target.
تحليل الأسباب
The PLA melt strength is insufficient, the foaming gas easily escapes, and the expansion rate is low; the blowing agent does not match.
الحل
Use branched PLA or PLA chain extension to enhance the melt strength; optimize the blowing agent and process.
الخلاصة الأساسية
PLA foaming needs to solve the melt strength problem.
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