Morphology and mechanical properties of blends of linear low density polyethylene and poly(ethene‐propene‐1‐butene) | Zendy

Quental A. C. | Zendy; Felisberti M. I. | Zendy

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Morphology and mechanical properties of blends of linear low density polyethylene and poly(ethene‐propene‐1‐butene)

Author(s) -

Quental A. C.,

Felisberti M. I.

Publication year - 2006

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.23518

Subject(s) - comonomer , linear low density polyethylene , materials science , polyethylene , propene , copolymer , composite material , polymer blend , ultimate tensile strength , morphology (biology) , compatibilization , polymer chemistry , polymer , chemistry , organic chemistry , catalysis , biology , genetics

Blends of linear low density polyethylene (LLDPE) and ethene‐propene‐1‐butene copolymer (t‐PP) were obtained through mechanical mixing using a single‐screw extruder with different compositions: 20, 40, 50, 60, and 80 wt % of t‐PP. For this, two types of polyethylene were used: 1‐hexene comonomer and 1‐octene comonomer based. The same blends were prepared in a batch mixer and the torque and temperature were analyzed. The torque showed a decrease with increasing t‐PP content, indicating better processability of the mixture in comparison with LLDPE. The morphology of the blends was analyzed by SEM and showed a composition dependence. The mechanical properties of the blends were evaluated by tensile tests. The results revealed that the best properties were obtained in a 20% t‐PP blend. © 2006 Wiley Periodicals, Inc. J Appl Polym Sci 100: 1255–1261, 2006

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