Material Analysis
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PES blend phase separation problem
Problem Phenomenon
Incompatible phase separation occurs in blend systems of PES with other polymers
Cause Analysis
PES is thermodynamically incompatible with most polymers; lack of effective compatibilization means
Solution
Develop dedicated compatibilizers; use reactive extrusion technology to generate copolymers in situ; fast cooling rate to freeze the blend morphology
Key Takeaway
PES blending needs to solve its intrinsic incompatibility problem
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