Poly(ethylene terephthalate) fibers. 1. Crystal structure and morphology studies with full-pattern x-ray diffraction refinement

Full-pattern fiber X-ray diffraction refinement has been used to study the structure and morphology of the crystallites of three poly(ethylene terephthalate) fiber samples with different heat treatment history. Diffraction data over the whole two-dimensional space were collected with a four-circle d...

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Bibliographic Details
Published in:Macromolecules 1993-04, Vol.26 (9), p.2187-2193
Main Authors: Fu, Yigang, Busing, William R, Jin, Yimin, Affholter, Kathleen A, Wunderlich, Bernhard
Format: Article
Language:English
Subjects:
360602 - Other Materials- Structure & Phase Studies
CARBOXYLIC ACIDS
COHERENT SCATTERING
DICARBOXYLIC ACIDS
DIFFRACTION
FIBERS
MATERIALS SCIENCE
MOLECULAR STRUCTURE
MORPHOLOGY
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC POLYMERS
POLYETHYLENES
POLYMERS
POLYOLEFINS
SCATTERING
TEREPHTHALIC ACID
X-RAY DIFFRACTION
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Summary:Full-pattern fiber X-ray diffraction refinement has been used to study the structure and morphology of the crystallites of three poly(ethylene terephthalate) fiber samples with different heat treatment history. Diffraction data over the whole two-dimensional space were collected with a four-circle diffractometer. An iterative Fourier filter method is developed to separate the crystalline diffraction from the background scattering. Both the structure and morphology are found to be dependent on the heat treatment. Some properties of the fibers can be explained by the difference in the crystal structure and morphology of crystallites.
ISSN:0024-9297
1520-5835
DOI:10.1021/ma00061a007