Extrusion & Post
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Optimization of the uneven dispersion problem of PBD in extrusion
Problem Phenomenon
Polybutadiene PBD, as an elastomer toughening modifier or HIPS component, exhibited uneven dispersion-related abnormalities during the extrusion process.
Cause Analysis
The molecular weight distribution of PBD affects processing; improper temperature control leads to performance deterioration.
Solution
According to application requirements, control crosslinking density to systematically solve the problem.
Key Takeaway
The core of PBD processing lies in crosslinking/shear balance.
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