Practical characterization of the structure of crystalline polymer moldings

The thermal and flow gradients present during thick polymer molding processes can produce layered structures through the thickness which vary in crystallinity, orientation, and axiality. Such structural complexity is difficult, expensive, and time consuming to characterize and presently impossible t...

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Veröffentlicht in:Polymer engineering and science 1988-07, Vol.28 (13), p.852-856
1. Verfasser: Samuels, Robert J.
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container_title Polymer engineering and science
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creator Samuels, Robert J.
description The thermal and flow gradients present during thick polymer molding processes can produce layered structures through the thickness which vary in crystallinity, orientation, and axiality. Such structural complexity is difficult, expensive, and time consuming to characterize and presently impossible to predict. In order to overcome these problems emphasis in our laboratory has been directed toward the development of rapid, nondestructive techniques for the quantitative characterization of the structure of thick polymer samples. This includes the characterization of the average structure, the surface structure, and the internal layer structure. The present paper discusses some of these techniques and illustrates their application.
doi_str_mv 10.1002/pen.760281305
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source Wiley Online Library Journals Frontfile Complete
subjects Analysis and structure
Applied sciences
Exact sciences and technology
Polymer industry, paints, wood
Properties and testing
Technology of polymers
title Practical characterization of the structure of crystalline polymer moldings
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