The Effect of PIB Molecular Weight on the Cling Characteristics of Polyethylene-PIB Films for Stretch and Cling Film Applications

Author:

McNally G. M.1,Small C. M.1,Murphy W. R.1,Clarke A. H.1

Affiliation:

1. Polymer Processing Research Centre, The Queen’s University of Belfast, Ashby Building, Stranmillis Road, Belfast, BT9 5AH, Northern Ireland

Abstract

The effect of molecular weight on the migratory characteristics of polyisobutylene (PIB) additive from the bulk to the surface of a range of monolayer and multilayer extruded polyethylene films has been analyzed by FTIR-ATR and peel cling analysis. Migration rates are shown to be higher for lower molecular weight PIB additive, and cling strength increases as the PIB molecular weight increases.

Publisher

SAGE Publications

Subject

Materials Chemistry,Polymers and Plastics,Surfaces, Coatings and Films

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