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Molecular weight‐intrinsic viscosity relationship and molecular weight distribution of low pressure polyethylenes
Abstract
Molecular weights of low pressure polyethylene fractions were measured by an ebulliometric method and an osmotic pressure method. The results can be correlated by an equation, [η] = 5.10 × 10−4 M0.725, with the intrinsic viscosity measured at 130°C. in Tetralin, for a molecular weight greater than 3750. All three types of polymer fractions, Ziegler‐type low pressure polyethylene, Phillips low pressure polyethylene, and polymethylene from the decomposition of diazomethane, conform to the above correlation. The molecular weight distributions of two samples of Ziegler type polyethylene and one sample of Phillips' Marlex 50 were determined. All three distributions were found to be very broad and contained large amounts of low molecular weight materials.
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Citations
Cited by
A note on single crystals in polymers: Evidence for a folded chain configuration
Keller, A. (1957) · Philosophical Magazine · doi:10.1080/14786435708242746 · Cited by 1,019
The viscosity of polymers and their concentrated solutions
Berry, G. C., & Fox, T. G. (2006) · Advances in Polymer Science · doi:10.1007/bfb0050985 · Cited by 854
Unperturbed chain dimensions of polyethylene in theta solvents
Nakajima, A., Hamada, F., & Hayashi, S. (1967) · Journal of Polymer Science Part C: Polymer Symposia · doi:10.1002/polc.5070150120 · Cited by 30
Metadata
- Authors
- Tung, L. H.
- Venue
- Journal of Polymer Science
- Publisher
- Wiley
- Published
- 1957-05
- Volume
- 24
- Issue
- 107
- Pages
- 333-348
- ISSN
- 0022-3832 (ISSN-L)
- 1542-6238
- OpenAlex
- W2171619800
- Cited by
- 164
- References
- 0
- FWCI
- 25.80
- Type
- journal article
- Language
- en
- Open access
- closed
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- Tung, L. H. (1957). Molecular weight‐intrinsic viscosity relationship and molecular weight distribution of low pressure polyethylenes. Journal of Polymer Science. https://doi.org/10.1002/pol.1957.1202410702
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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