The rotational molding characteristics of metallocene polyethylene Skin/Foam structures

E Archer, E Harkin-Jones, MP Kearns, A-M Fatnes

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

This article reports on the results of ongoing work in which the foaming characteristics of metallocene-catalyzed linear low density polyethylenes for rotational molding are investigated. Earlier publications related rheological and thermal parameters to the polymer structure and mechanical properties and found that metallocene polyethylene can be used in rotational foam molding to produce a foam that will perform as well as a Ziegler-Natta catalyzed foam. Through adjustments to molding conditions, the significant processing and physical material parameters, which optimize metallocene catalyzed linear low-density polyethylene foam structure, have been identified. This article details the optimum processing route for the production of two layer skin/foam parts using the drop box method.
Original languageEnglish
Pages (from-to)491-504
JournalJournal of Cellular Plastics
Volume43
Issue number6
DOIs
Publication statusPublished - Nov 2007

Keywords

  • polyethylene
  • rotational molding
  • plastic foams
  • chemical blowing agent
  • integral skin

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