Extrusion & Post
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POE and ABS blend delamination cracking
Problem Phenomenon
POE/ABS delaminates along the interface under bending
Cause Analysis
POE and ABS polarity completely different, compatibility extremely poor
Solution
1) POE-g-MAH 3-5wt%; 2) POE≤10wt%; 3) MBS replacing POE to toughen ABS
Key Takeaway
POE/ABS polarity difference requires compatibilizer or changing the toughener
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