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논문 기본 정보

자료유형
학술저널
저자정보
Ranran Jian (Beijing University of Chemical Technology) Weimin Yang (Beijing University of Chemical Technology) Lisheng Cheng (Beijing University of Chemical Technology) Pengcheng Xie (Beijing University of Chemical Technology)
저널정보
한국고분자학회 폴리머 폴리머 제42권 제6호
발행연도
2018.11
수록면
910 - 918 (9page)
DOI
10.7317/pk.2018.42.6.910

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초록· 키워드

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As one of key factors that determine the quality of products, the homogenization of polymer melt is closely dependent on the mixing of polymers. The mixing of polymer melt in the homogenizing section by a single screw with torsion elements was analyzed with the computational fluid dynamics (CFD) simulation. The simulation results reveal that screws with such torsion elements arranged in a decentralized form have smaller segregation scale, distribution index and higher mixing efficiency, compared with the conventional screw. The decentralized arrangement is more effective for mixing than the centralized distribution. The rotational flow induced by the torsion elements can significantly enhance the mass transfer process and improve mixing and plasticizing. Compared with those in conventional screw, the distributions of temperature and viscosity are more uniform at the outlet of torsion screws, which also made the torsion element generally more effective and efficient for mixing and plasticizing.

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Abstract
Introduction
Models and Materials
Results and Discussion
Conclusions
References

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UCI(KEPA) : I410-ECN-0101-2019-578-000116592