Oriented γ-isotactic polypropylene crystallized at atmospheric pressure

David M. Dean; Richard A. Register

doi:10.1002/(SICI)1099-0488(19981115)36:15<2821::AID-POLB16>3.0.CO;2-P

Oriented γ-isotactic polypropylene crystallized at atmospheric pressure

David M. Dean, Richard A. Register

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

27 Scopus citations

Abstract

A method for crystallizing oriented samples of the γ-phase of isotactic polypropylene (iPP) under atmospheric pressure in the presence of nucleating fibers has been developed. The technique uses iPP grades of high molecular weight and high isotacticity and produces a mixture of α and γ-phase crystals within the matrix of both pitch-based carbon and Kevlar^®-reinforced composites. Two-dimensional wide-angle X-ray scattering (WAXS) patterns from these samples show that the content of the γ-phase decreases as the fiber loading in the composites decreases, suggesting that the γ-phase is directly nucleated by the fibers.

Original language	English (US)
Pages (from-to)	2821-2827
Number of pages	7
Journal	Journal of Polymer Science, Part B: Polymer Physics
Volume	36
Issue number	15
DOIs	https://doi.org/10.1002/(SICI)1099-0488(19981115)36:15<2821::AID-POLB16>3.0.CO;2-P
State	Published - Nov 15 1998

All Science Journal Classification (ASJC) codes

Condensed Matter Physics
Materials Chemistry
Polymers and Plastics
Physical and Theoretical Chemistry

Keywords

Composites
Epitaxy
Gamma phase
Polypropylene
X-ray scattering

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10.1002/(SICI)1099-0488(19981115)36:15<2821::AID-POLB16>3.0.CO;2-P

Cite this

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title = "Oriented γ-isotactic polypropylene crystallized at atmospheric pressure",

abstract = "A method for crystallizing oriented samples of the γ-phase of isotactic polypropylene (iPP) under atmospheric pressure in the presence of nucleating fibers has been developed. The technique uses iPP grades of high molecular weight and high isotacticity and produces a mixture of α and γ-phase crystals within the matrix of both pitch-based carbon and Kevlar{\textregistered}-reinforced composites. Two-dimensional wide-angle X-ray scattering (WAXS) patterns from these samples show that the content of the γ-phase decreases as the fiber loading in the composites decreases, suggesting that the γ-phase is directly nucleated by the fibers.",

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year = "1998",

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doi = "10.1002/(SICI)1099-0488(19981115)36:15<2821::AID-POLB16>3.0.CO;2-P",

language = "English (US)",

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T1 - Oriented γ-isotactic polypropylene crystallized at atmospheric pressure

AU - Dean, David M.

AU - Register, Richard A.

PY - 1998/11/15

Y1 - 1998/11/15

N2 - A method for crystallizing oriented samples of the γ-phase of isotactic polypropylene (iPP) under atmospheric pressure in the presence of nucleating fibers has been developed. The technique uses iPP grades of high molecular weight and high isotacticity and produces a mixture of α and γ-phase crystals within the matrix of both pitch-based carbon and Kevlar®-reinforced composites. Two-dimensional wide-angle X-ray scattering (WAXS) patterns from these samples show that the content of the γ-phase decreases as the fiber loading in the composites decreases, suggesting that the γ-phase is directly nucleated by the fibers.

AB - A method for crystallizing oriented samples of the γ-phase of isotactic polypropylene (iPP) under atmospheric pressure in the presence of nucleating fibers has been developed. The technique uses iPP grades of high molecular weight and high isotacticity and produces a mixture of α and γ-phase crystals within the matrix of both pitch-based carbon and Kevlar®-reinforced composites. Two-dimensional wide-angle X-ray scattering (WAXS) patterns from these samples show that the content of the γ-phase decreases as the fiber loading in the composites decreases, suggesting that the γ-phase is directly nucleated by the fibers.

KW - Composites

KW - Epitaxy

KW - Gamma phase

KW - Polypropylene

KW - X-ray scattering

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DO - 10.1002/(SICI)1099-0488(19981115)36:15<2821::AID-POLB16>3.0.CO;2-P

M3 - Article

AN - SCOPUS:0032203402

SN - 0887-6266

VL - 36

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EP - 2827

JO - Journal of Polymer Science, Part B: Polymer Physics

JF - Journal of Polymer Science, Part B: Polymer Physics

IS - 15

ER -

Oriented γ-isotactic polypropylene crystallized at atmospheric pressure

Abstract

All Science Journal Classification (ASJC) codes

Keywords

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