EFFECT OF POLYMORPHISM ON THE C - H STRETCHING REGION OF THE INFRARED SPECTRUM OF POLYETHYLENE.

P. C. Painter; James Patrick Runt; M. M. Coleman; I. R. Harrison

doi:10.1002/pol.1978.180160708

EFFECT OF POLYMORPHISM ON THE C - H STRETCHING REGION OF THE INFRARED SPECTRUM OF POLYETHYLENE.

P. C. Painter, James Patrick Runt, M. M. Coleman, I. R. Harrison

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

8 Scopus citations

Abstract

A complex fine structure in the C - H stretching region of the infrared spectrum of deformed polyethylene single crystals is reported. The deformed crystals are shown to be transformed from the orthorhombic crystal form to a monoclinic structure. The previously deduced C//2/////m monoclinic structure does not account for the appearance of the new bands. An alternative but similar monoclinic structure is proposed. The symmetry of this structure is consistent with the Fermi resonance interactions required for the observation of these bands.

Original language	English (US)
Pages (from-to)	1253-1260
Number of pages	8
Journal	J Polym Sci Polym Phys Ed
Volume	16
Issue number	7
DOIs	https://doi.org/10.1002/pol.1978.180160708
State	Published - Jan 1 1978

All Science Journal Classification (ASJC) codes

Engineering(all)

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10.1002/pol.1978.180160708

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abstract = "A complex fine structure in the C - H stretching region of the infrared spectrum of deformed polyethylene single crystals is reported. The deformed crystals are shown to be transformed from the orthorhombic crystal form to a monoclinic structure. The previously deduced C//2/////m monoclinic structure does not account for the appearance of the new bands. An alternative but similar monoclinic structure is proposed. The symmetry of this structure is consistent with the Fermi resonance interactions required for the observation of these bands.",

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AU - Coleman, M. M.

AU - Harrison, I. R.

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AB - A complex fine structure in the C - H stretching region of the infrared spectrum of deformed polyethylene single crystals is reported. The deformed crystals are shown to be transformed from the orthorhombic crystal form to a monoclinic structure. The previously deduced C//2/////m monoclinic structure does not account for the appearance of the new bands. An alternative but similar monoclinic structure is proposed. The symmetry of this structure is consistent with the Fermi resonance interactions required for the observation of these bands.

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EFFECT OF POLYMORPHISM ON THE C - H STRETCHING REGION OF THE INFRARED SPECTRUM OF POLYETHYLENE.

Abstract

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