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| Study on the Forming Process and Pressure Drop Stability of the New Natural Composite Material Filter Tip |
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| DOI： |
| Key Words:new natural composite material； basis weight； pressure drop； crimping depth |
| Author Name | Affiliation | | 高 鑫 | 南通烟滤嘴有限责任公司，江苏南通，226001 | | 唐荣成 | 南通烟滤嘴有限责任公司，江苏南通，226001 | | 盛培秀 | 南通烟滤嘴有限责任公司，江苏南通，226001 | | 周成喜 | 南通烟滤嘴有限责任公司，江苏南通，226001 | | 孙庆杰 | 南通烟滤嘴有限责任公司，江苏南通，226001 |
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| Abstract: |
| The new natural composite material (CAP), made of the wood pulp and special functional fibers is a composite filter paper. In order to define the basis weight criteria of CAP, the relationship between pressure drop and the weight of the CAP filter tip was investigated. The relationship between pressure drop and crimping depth of CAP filter tip and pure wood pulp paper filter tip in the same process conditions was also conceived, and the characteristic curves of filter tip were fitted. The correlation analysis showed that when basis weight of CAP was in the range of (36±1)g/m2, there was no correlation between crimping depth and pressure drop, while there was a close relationship when it exceeded (36±1)g/m2. It indicated that pressure drop increases while the crimping depth grows, and pressure drop has a linear relationship with the crimping depth in the range of 20%~70% especially for CAP. Their stability of pressure drop is not as good as diacetate cellulose tow. The practice proves that they can satisfy the requirement of dual filters. |
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