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Extrusion of cellular low-density polyethylene film

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posted on 13.10.2020, 10:21 by Mudhaffar A. Bakir
Solid chemical blowing agent has been used in the production of cellular blown low-density polyethylene film. Extrusion variables that affected the decomposition of blowing agent, hence film quality (film density, tensile properties and surface finish), were investigated in depth. Die development was essential in elimination of die build-up. Reduction of die land length resulted in improved film quality and eliminated die build-up. Melt strength was improved by blending granules with differing melt flow indices. A constant rate of strain viscometer was designed and used in investigating correlation of melt tensile moduli as a function of temperature and EVA content. A correlation of all aspects investigated was attempted.

Funding

Iraq, Ministry of Higher Education

History

School

  • Aeronautical, Automotive, Chemical and Materials Engineering

Department

  • Materials

Publisher

Loughborough University of Technology

Rights holder

© Mudhaffar A. Bakir

Publication date

1977

Notes

A Master's Thesis. Submitted in partial fulfilment of the requirements for the award of the degree of Master of Science of Loughborough University of Technology.

Language

en

Supervisor(s)

D.E. Marshall

Qualification name

MSc

Qualification level

Masters

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