Viscoelastic properties of crosslinked LLDPE films

A. L. Bobovitch, Y. Unigovski, E. M. Gutman, E. Kolmakov

Research output: Contribution to conferencePaperpeer-review


Creep and stress-relaxation of linear low-density polyethylene (LLDPE) crosslinked with β-irradiation was studied as a function of irradiation dose. It was shown that both storage modulus and α-relaxation are influenced by irradiation. An influence of relatively low gel content on stress relaxation was detected. However, the creep results showed an increase of the creep strain when the polymer is irradiated with a dose below 4 Megarad (MR) in comparison with a non-irradiated film. This increase corresponded to the disorientation in the amorphous phase, which takes place as a result of the film heating during irradiation. This disorientation was demonstrated by differential scanning calorimetry (DSC) and X-ray analysis. polyethylene Films, orientation, β-irradiation, crosslinking, stress relaxation, creep.

Original languageEnglish
Number of pages5
StatePublished - 1 Dec 2005
EventSociety of Plastics Engineers Annual Technical Conference 2005, ANTEC 2005 - Boston, MA, United States
Duration: 1 May 20055 May 2005


ConferenceSociety of Plastics Engineers Annual Technical Conference 2005, ANTEC 2005
Country/TerritoryUnited States
CityBoston, MA

ASJC Scopus subject areas

  • Chemical Engineering (all)
  • Polymers and Plastics


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