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Lamellar and interlamellar structure in melt‐crystallized polyethylene. I. Degree of crystallinity, atomic positions, particle size, and lattice disorder of the first and second kinds
Abstract
An x‐ray diffraction method for the simultaneous determination of crystallinity (including intracrystalline defects), effective Debye‐Waller factors, and atomic positions has been developed and applied to semicrystalline polyethylene. It was found that this material unambiguously constitutes a two‐phase system. Measurements of intracrystalline lattice disorder in the chain direction and perpendicular to the chain direction show these to be in the ratio 1:2.5. Lattice disorder was principally of the first kind. Paracrystalline disorder in the [110] direction was less than 2.4% at all experimental conditions. Results include measurements of degree of crystallinity, particle size, space group, and unit cell parameters and variation of these quantities with crystallization temperature, ambient temperature, and time.
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Cites
Bunn, C. W., & Alcock, T. C. (1945) · Transactions of the Faraday Society · doi:10.1039/tf9454100317 · Cited by 253
Cited by
Molecular modeling of electron traps in polymer insulators: Chemical defects and impurities
Meunier, M., Quirke, N., & Aslanides, A. (2001) · The Journal of Chemical Physics · doi:10.1063/1.1385160 · Cited by 411
Thermal conductivity of oriented crystalline polymers
Choy, C. L., Chen, F. C., & Luk, W. H. (1980) · Journal of Polymer Science: Polymer Physics Edition · doi:10.1002/pol.1980.180180603 · Cited by 132
Shulumba, N., Hellman, O., & Minnich, A. J. (2017) · Physical Review Letters · doi:10.1103/physrevlett.119.185901 · Cited by 99
First-principle simulations of electronic structure in semicrystalline polyethylene
Moyassari, A., Unge, M., Hedenqvist, M. S., Gedde, U. W., & Nilsson, F. (2017) · The Journal of Chemical Physics · doi:10.1063/1.4983650 · Cited by 52
Metadata
- Authors
- Kavesh, S., & Schultz, J. M.
- Venue
- Journal of Polymer Science Part A-2: Polymer Physics
- Publisher
- Wiley
- Published
- 1970-02
- Volume
- 8
- Issue
- 2
- Pages
- 243-276
- ISSN
- 0449-2978 (ISSN-L)
- 1542-9377
- OpenAlex
- W2052720357
- Cited by
- 174
- References
- 1
- FWCI
- 7.19
- Type
- journal article
- Language
- en
- Open access
- closed
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- Kavesh, S., & Schultz, J. M. (1970). Lamellar and interlamellar structure in melt‐crystallized polyethylene. I. Degree of crystallinity, atomic positions, particle size, and lattice disorder of the first and second kinds. Journal of Polymer Science Part A-2: Polymer Physics. https://doi.org/10.1002/pol.1970.160080205
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