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Type: Artigo de periódico
Title: Morphology and mechanical properties of blends of linear low density polyethylene and poly(ethenepropene-1-butene)
Author: Quental, AC
Felisberti, MI
Abstract: Blends of linear low density polyethylene (LLDPE) and ethene-propene-1-butene copolymer (t-PP) were obtained through mechanical mixing using a singlescrew 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 I-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. (c) 2006 Wiley Periodicals, Inc.
Subject: blends
mechanical properties
Country: EUA
Editor: John Wiley & Sons Inc
Citation: Journal Of Applied Polymer Science. John Wiley & Sons Inc, v. 100, n. 2, n. 1255, n. 1261, 2006.
Rights: fechado
Identifier DOI: 10.1002/app.23518
Date Issue: 2006
Appears in Collections:Unicamp - Artigos e Outros Documentos

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