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Scale effects upon morphology development during mix melting of multiphase polymer blends in ZSK extruders
Author(s) -
Yu DongWoo,
Esseghir Mohammed,
Curry John
Publication year - 1998
Publication title -
journal of vinyl and additive technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.295
H-Index - 35
eISSN - 1548-0585
pISSN - 1083-5601
DOI - 10.1002/vnl.10010
Subject(s) - materials science , plastics extrusion , viscosity , phase (matter) , composite material , dispersion (optics) , polymer , extrusion , pellet , matrix (chemical analysis) , chemistry , physics , organic chemistry , optics
Abstract Replicate experiments were performed on ZSK‐30 and ZSK‐40 split barrel extruders concerning structure developments from PS‐PE pellet blends during the melting process. PS is the minor phase. PE grades were choosen to accommodate viscous and thin matrix phase viscosities. The large extruder displays a more diverse cross channel structure and retarded phase development for some blends. Inferior dispersion is especially obvious in the larger extruder when processing low viscosity matrix blends. Similar phase development occurs in the extruders for high viscosity matrix blends.