Material Analysis
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ABAK elastomer toughening
Problem Phenomenon
ABAK is toughened by adding SBS/SEBS/MBS elastomers, but compatibility is challenging.
Cause Analysis
ABAK elastomers SBS, SEBS, MBS toughening; poor compatibility with PA; requires MAH or acrylic acid graft modification; toughening effect; influence on strength.
Solution
①Elastomer graft modification; ②addition amount optimization; ③compatibilizer coordination; ④toughness testing; ⑤strength balance.；after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Key Takeaway
Graft modification is the premise of ABAK elastomer toughening; compatibility management is the key; balance ensures comprehensive performance.；after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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