Molding Process
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Optimization of the Application of PPA in LLDPE film
Problem Phenomenon
Problems such as unstable effect occurred with the PPA fluoropolymer processing aid in the process of eliminating melt fracture in the LLDPE film section.
Cause Analysis
The fluorine-to-carbon ratio of the PPA fluoropolymer does not match the base resin; the addition amount requires targeted optimization.
Solution
It is recommended to systematically adjust from aspects such as the addition method.
Key Takeaway
The performance of PPA depends on full dispersion and coating formation.
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