A flow chart for determining the rheological state of polymers with application to coextrusion of films

Akkurt S.

REVUE ROUMAINE DE CHIMIE, vol.44, no.2, pp.185-192, 1999 (Journal Indexed in SCI) identifier

  • Publication Type: Article / Article
  • Volume: 44 Issue: 2
  • Publication Date: 1999
  • Title of Journal : REVUE ROUMAINE DE CHIMIE
  • Page Numbers: pp.185-192


One of the most difficult problems in polymer processing analysis is to determine the state condition (viscoelastic, viscous) of these materials. In this paper, firstly a brief description of the basic processes that are involved in producing thermoplastic articles is stated. This is followed by a review of the various approaches that have been made to determine the equations: of state of polymer melts. Based on the analysis of these factors a flow chart for determining the state condition of plastics during the process is given. Finally, an application to coextrusion of film processing is submitted.