Material Analysis
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Melt fluidity of modified cellulose acetate butyrate changes significantly (better or worse)
Problem Phenomenon
Melt fluidity of modified cellulose acetate butyrate changes significantly (better or worse), affecting the processing window
Cause Analysis
Added additives change melt viscosity
Addition amount too large, excessive fluidity change
Uneven additive dispersion, local viscosity fluctuation
Processing temperature not matching the modified material
Improper lubricant addition
Solution
Adjust processing parameters to match the modified fluidity
Reasonably control the additive addition amount
Ensure uniform additive dispersion
Adjust temperature according to the modified material
Use lubricants reasonably
Key Takeaway
Fluidity changes require process adjustment to match the modified material
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