Chemical reactions during the processing of stabilized PE: 2. Structure/property correlations

Edina Epacher, E. Fekete, Markus Gahleitner, B. Pukánszky

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Interesting correlations were observed in an optimization project directed towards the development of a recipe for blown PE film production. The analysis of the data and additional experiments indicated that some reactions take place during the processing of stabilized PE which also change the structure of the polymer. Modification of the rheological properties of the polymer and the mechanical characteristics of blown films can be related to these chemical processes. A close correlation was found among basically all rheological and mechanical properties. A tentative explanation is given which relates chemistry, to the structure of the polymer and the properties of the product. According to the hypothesis long chain branches form during processing which decrease MFI, change orientation of the film in the perpendicular direction and result in a considerable decrease in the strength of the blown films.

Original languageEnglish
Pages (from-to)499-507
Number of pages9
JournalPolymer Degradation and Stability
Volume63
Issue number3
Publication statusPublished - Mar 1999

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Chemical reactions
chemical reactions
Polymers
Processing
polymers
mechanical properties
chemistry
Mechanical properties
optimization
products
Experiments

ASJC Scopus subject areas

  • Organic Chemistry
  • Polymers and Plastics

Cite this

Chemical reactions during the processing of stabilized PE : 2. Structure/property correlations. / Epacher, Edina; Fekete, E.; Gahleitner, Markus; Pukánszky, B.

In: Polymer Degradation and Stability, Vol. 63, No. 3, 03.1999, p. 499-507.

Research output: Contribution to journalArticle

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