Relaxation properties of polyoxymethylene and ethylene–octene copolymer blend in solid and melt states
| dc.date.accessioned | 2021-01-20T11:19:58Z | |
| dc.date.available | 2021-01-20T11:19:58Z | |
| dc.date.issued | 2012-08-30 | |
| dc.identifier | doi:10.17170/kobra-202101182988 | |
| dc.identifier.uri | http://hdl.handle.net/123456789/12425 | |
| dc.language.iso | eng | eng |
| dc.rights | Namensnennung-Nicht-kommerziell 4.0 International | * |
| dc.rights.uri | http://creativecommons.org/licenses/by-nc/4.0/ | * |
| dc.subject | polyoxymethylene | eng |
| dc.subject | ethylene-octene copolymer | eng |
| dc.subject | blends | eng |
| dc.subject | rheological properties | eng |
| dc.subject | dynamic properties | eng |
| dc.subject.ddc | 620 | |
| dc.subject.ddc | 660 | |
| dc.title | Relaxation properties of polyoxymethylene and ethylene–octene copolymer blend in solid and melt states | eng |
| dc.type | Aufsatz | |
| dcterms.abstract | Rheological properties of polyoxymethylene (POM) and ethylene–octene copolymer (EOC) in solid and melt states were investigated. Blends were prepared with a twin screw extruder at broad component wt-to-wt ratios (10, 30, 50, 70, 90 wt% of EOC). The morphology as well as calorimetric, rheological, and elastic properties of the blends were studied. The investigation showed that POM/EOC blends were heterogeneous in nature and had a broad phase transition region between 30 and 70 wt% of POM. Because during processing droplet breakup is enhanced for EOC-rich systems, respective blends show “better” morphology with smaller particle sizes. It was, however, observed that rheological and dynamic characteristics (such as storage E¢ and loss E² modules as well as shear elastic G¢ and viscous G² modules) were highly influenced by intrinsic incompatibility of POM and EOC. Besides, also the crystallization specifics of the investigated blends influenced their E¢ and E². | eng |
| dcterms.accessRights | open access | |
| dcterms.creator | Grigalovica, Agnese | |
| dcterms.creator | Bartule, Madara | |
| dcterms.creator | Zicans, Janis | |
| dcterms.creator | Meri, Remo Merijs | |
| dcterms.creator | Heim, Hans-Peter | |
| dcterms.creator | Berger, Christian | |
| dc.relation.doi | doi:10.3176/proc.2012.3.09 | |
| dc.subject.swd | Polyoxymethylene | ger |
| dc.subject.swd | Copolymere | ger |
| dc.subject.swd | Gemisch | ger |
| dc.subject.swd | Rheologische Eigenschaft | ger |
| dc.subject.swd | Dynamisches Verhalten | ger |
| dc.type.version | publishedVersion | |
| dcterms.source.identifier | EISSN 1736-7530 | |
| dcterms.source.issue | Issue 3 | |
| dcterms.source.journal | Proceedings of the Estonian Academy of Sciences | eng |
| dcterms.source.pageinfo | 200-206 | |
| dcterms.source.volume | Volume 61 | |
| kup.iskup | false |
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