Processing Machinery
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Insufficient Mixing of CMC
Problem Phenomenon
After blending CMC with fillers/additives, dispersion is uneven with local agglomeration
Cause Analysis
Screw mixing section length is insufficient; number of kneading blocks is not enough; improper feeding method means additives and CMC are not fully contacted
Solution
1)Increase screw mixing section length to 3-4D; 2)Increase the number of kneading blocks; 3)Add additives after the side feeding port to increase mixing time
Key Takeaway
Insufficient mixing is caused by improper screw design; increasing the mixing section is the key
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