Effect of Viscosity on Low Density Foaming of Poly(Ethylene-Co-Octene) Resins-Reference-Cited by-同舟云学术

Effect of Viscosity on Low Density Foaming of Poly(Ethylene-Co-Octene) Resins

Published:2003-01 Issue:1 Volume:39 Page:71-85
ISSN:0021-955X
Container-title:Journal of Cellular Plastics
language:en
Short-container-title:Journal of Cellular Plastics

Author:

Gendron Richard¹,Vachon Caroline¹

Affiliation:

1. Industrial Material Institute, National Research Council of Canada, 75 de Mortagne Blvd., Boucherville, Quebec, Canada J4B 6Y4

Abstract

Foaming of low density poly(ethylene-co-octene) resins by injection molding is the result of various reactions occurring during the process. This includes simultaneous decomposition of the chemical blowing agent and cross-linking of the polymer matrix during curing in the mold, followed by foaming after mold opening. Dynamicrheology as well as elongational viscosity were investigated for compounds prepared from resins with different melt indices and various cross-linking agent levels, and these results were linked to the morphology and density of the corresponding foams. Rheological requirements were finally defined quantitatively for this set of conditions.

Publisher

SAGE Publications

Subject

Materials Chemistry,Polymers and Plastics,General Chemistry

Link

http://journals.sagepub.com/doi/pdf/10.1177/002195503032453

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