Gas‐filled polymers. I. Void morphology of polyethylene

A. G. Kolbeck; D. R. Uhlmann; P. D. Calvert

doi:10.1002/app.1973.070170302

Gas‐filled polymers. I. Void morphology of polyethylene

A. G. Kolbeck
, D. R. Uhlmann
, P. D. Calvert

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

Morphologic studies of gas‐filled polyethylene show a characteristic void structure, with an interior region containing distinct gas bubbles surrounded by a surface layer of void‐free polymer. The voids in the bubbled region frequently show an elongated shape with the long dimension oriented parallel to the surface of the specimens. The gas–polymer interface within individual voids is composed of fibrils of the polymer extending into the interior of the void. Studies of the annealing temperatures required to obtain gas bubbles in the material and of the melting range of the ungasified polymer indicate that melting of the crystalline component of polyethylene is required for void formation.

Original language	English (US)
Pages (from-to)	679-694
Number of pages	16
Journal	Journal of Applied Polymer Science
Volume	17
Issue number	3
DOIs	https://doi.org/10.1002/app.1973.070170302
State	Published - Mar 1973
Externally published	Yes

ASJC Scopus subject areas

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

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10.1002/app.1973.070170302

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AB - Morphologic studies of gas‐filled polyethylene show a characteristic void structure, with an interior region containing distinct gas bubbles surrounded by a surface layer of void‐free polymer. The voids in the bubbled region frequently show an elongated shape with the long dimension oriented parallel to the surface of the specimens. The gas–polymer interface within individual voids is composed of fibrils of the polymer extending into the interior of the void. Studies of the annealing temperatures required to obtain gas bubbles in the material and of the melting range of the ungasified polymer indicate that melting of the crystalline component of polyethylene is required for void formation.

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Gas‐filled polymers. I. Void morphology of polyethylene

Abstract

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