Processing Machinery
4 조회수
Insufficient PVA mixing
문제 현상
After PVA is blended with filler/additives, dispersion uneven with local agglomeration
원인 분석
Screw mixing section length insufficient; insufficient number of kneading blocks; improper feeding method, additives not in full contact with PVA
해결 방법
1) Increase screw mixing section length to 3-4D; 2) Increase the number of kneading blocks; 3) Add additives through the side feed port afterward to increase mixing time
핵심 요약
Insufficient mixing is caused by improper screw design; increasing the mixing section is the key
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