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Low-density polyethylene (LDPE) with different elastomers at a ratio of 50/50 wt% blends was prepared by using a co-rotating twin-screw extruder. Three kinds of elastomers were used: ground tire rubber (GTR), partially crosslinked butyl rubber (KalarVR ), and styrenebutadiene- rubber block copolymer (SBS; KratonVR ). For better characterization of interaction between polyethylene and elastomer, influence of the type of elastomer on the properties of compositions LDPE/elastomer was determined. In the studies, two types of partially crosslinked butyl rubber (differing over filler content and Mooney viscosity) and two types of SBS (differing over structure: linear/branched) were used. The influence of kind and type of elastomer on static mechanical properties (tensile strength, elongation at break, hardness), dynamic mechanical properties, thermal properties, and morphology of obtained compositions were characterized. LDPE/linear SBS copolymer blend had the best mechanical properties, as a result of better compatibility in comparison with other investigated blends. The reason for improved compatibility was an increase of mobility of chain segments in the amorphous phase of polyethylene associated with their partial plasticization by flexible polybutadiene blocks present in SBS copolymer.
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- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuł w czasopiśmie wyróżnionym w JCR
- Opublikowano w:
-
JOURNAL OF VINYL & ADDITIVE TECHNOLOGY
nr 22,
wydanie 4,
strony 492 - 500,
ISSN: 1083-5601 - Język:
- angielski
- Rok wydania:
- 2016
- Opis bibliograficzny:
- Formela K., Piszczyk Ł., Haponiuk J., Bajer K., Formela M.: Interfacial adhesion evaluation in (low-density polyethylene)/elastomer blends// JOURNAL OF VINYL & ADDITIVE TECHNOLOGY. -Vol. 22, iss. 4 (2016), s.492-500
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1002/vnl.21474
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 85 razy