Scale effects upon morphology development during mix melting of multiphase polymer blends in ZSK extruders

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...

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Bibliographic Details
Published inJournal of vinyl & additive technology Vol. 4; no. 1; pp. 50 - 53
Main Authors Yu, Dong-Woo, Esseghir, Mohammed, Curry, John
Format Journal Article
LanguageEnglish
Published Hoboken Wiley Subscription Services, Inc., A Wiley Company 01.03.1998
Wiley
Subjects
Applied sciences
Exact sciences and technology
Machinery and processing
Moulding compound preparation. Mixing
Plastics
Polymer industry, paints, wood
Technology of polymers
Structure processing relationship
Mixing
Low density ethylene polymer
Polymer blends
Molten state
Extrusion die
Morphology
Styrene polymer
Experimental study
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Summary: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.
Bibliography:ark:/67375/WNG-5R7LFZS2-P
istex:ADED4C4341C86930BBF80A0A41D84DDE81BCA450
ArticleID:VNL10010
ISSN:1083-5601
1548-0585
DOI:10.1002/vnl.10010