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Structure‐property relationships in blends of linear low‐ and conventional low‐density polyethylene as blown films
Author(s) -
Siegmann A.,
Nir Y.
Publication year - 1987
Publication title -
polymer engineering and science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.503
H-Index - 111
eISSN - 1548-2634
pISSN - 0032-3888
DOI - 10.1002/pen.760271511
Subject(s) - materials science , composite material , linear low density polyethylene , polyethylene , ultimate tensile strength , composite number , high density polyethylene , morphology (biology) , impact resistance , genetics , biology
Three‐layer coextruded blown (either blend or composite) films, made of low‐density polyethylene and linear lowdensity polyethylene (1:1 ratio) of identical density, were compared. The tensile properties of both systems are nearly as high as those of the linear polyethylene while high strain rate properties including impact strength and tear resistance of the composite film are superior. Some structural insight was obtained by thermal analysis and thermoelastic measurements. Structure property relationships are discussed in light of the unique behavior, structure, and morphology of linear low‐density polyethylene. The two polyethylenes are only compatible to a rather limited extent mainly affecting their blend behavior. However, a strong mutual reinforcement effect was observed.