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- Title
Wybrane wÓaściwości folii wytłaczanej z polietylenu bimodalnego duzej gęstości.
- Authors
FRĄSZCZAK, ZBIGNIEW; KRÓLIKOWSKI, BOGUSŁAW
- Abstract
The evaluation of selected domestic bimodal high density polyethylene products (Hostalen, Table 1) was done on the basis of own research. Their mechanical and thermal properties as well as rheological characteristics (MFR values, Table 5) were compared with unimodal PE (Tipelin, made in Hungary). On the basis of DSC curves for granulates and films (Fig. 3-12, Table 3 and 4), the analysis of phase transitions in a polymer during heating - cooling - heating cycle has been done. Partial degradation of the material during processing of granulate into film (blow molding - Fig. 2, Table 2) was found. The increase in MFR of the film in comparison with MFR of granulate also confirms the material degradation.
- Subjects
POLYMERIZATION research; CALORIMETRY; PHASE transitions; THERMAL properties; MECHANICAL behavior of materials; RHEOLOGY
- Publication
Polimery, 2009, Vol 54, Issue 2, p132
- ISSN
0032-2725
- Publication type
Article