Guide to Optimizing Material and Process Parameters for Blown film
I. Comparison of blown film characteristics of three biodegradable materials Material Melt strength Thermal stability Difficulty PLA Low Poor (easily hydrolyzed and thermally degraded) The membrane bubble is prone to shaking, has large lateral shrinkage, and the membrane is brittle. PBAT medium better Highly adhesive, prone to sticking, and difficult to roll up. PBS Low/medium […]
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