Processing characteristics and properties of polyolefin blends modified by reactive extrusion

D. W. Yu, M. Xanthos, C. G. Gogos

Research output: Contribution to conferencePaperpeer-review

3 Scopus citations


This paper presents the structural, rheological, mechanical, and thermal characteristics of PP/LDPE blends prepared by peroxide reaction processing, in an internal batch mixer and in a co-rotating twin screw extruder. Blends with various compositions and peroxide concentrations were processed by the co-rotating twin screw extruder and the internal batch mixer. The rheological behavior and tensile and thermal properties of selected reacted blends are markedly different from those of the non-reacted blends. Reacted PP rich compositions showed unusual rheological characteristics that could be translated in processing advantages. Although, higher tensile strength at break were observed over the entire range of the reacted blend composition, only the LDPE rich blends showed a satisfactory overall balance of the measured mechanical properties. Research is presently underway to examine the possible formation of compatibilizing species in this composition.

Original languageEnglish (US)
Number of pages4
StatePublished - 1991
Externally publishedYes
Event49th Annual Technical Conference -ANTEC '91 - Montreal, Que, Can
Duration: May 5 1991May 9 1991


Other49th Annual Technical Conference -ANTEC '91
CityMontreal, Que, Can

All Science Journal Classification (ASJC) codes

  • General Chemical Engineering
  • Polymers and Plastics


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