Material Analysis
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Unsatisfactory toughening effect of modified methyl methacrylate-butadiene-styrene copolymer
Fenómeno del problema
The toughening effect of modified methyl methacrylate-butadiene-styrene copolymer is unsatisfactory, and the impact strength improvement is lower than the expected target
Análisis de la causa
Insufficient toughening agent addition or uneven dispersion
Poor compatibility between toughening agent and matrix, weak interfacial bonding
Improper processing temperature (deviating from 180-220°C), toughening agent degradation or poor dispersion
Insufficient mixing, toughening agent aggregation
Toughening agent particle size mismatch
Solución
Increase toughening agent addition to a reasonable proportion
Select toughening agents with good compatibility with methyl methacrylate-butadiene-styrene copolymer
Reasonably set processing temperature according to the 180-220°C range
Strengthen mixing to ensure uniform dispersion
Select toughening agents with appropriate particle size
Conclusión clave
Toughening effect needs to start from addition amount, compatibility, and dispersion
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