DOI: 10.1063/1.1730042. Diffusion in Ethylene Polymers. IV

10.1063/1.1730042

Crossref journal-article

AIP Publishing

The Journal of Chemical Physics (317)

Abstract

Self-diffusion coefficients have been measured for two low molecular weight fractions (M = 4100 and 5800) of a linear polyethylene. The activation energy for the M = 4100 fraction is 5.3 kcal/mole which is near the value 5.6 kcal/mole found for n — C32H66. At 150°C, for this fraction, D = 1.6×10—7 cm2/sec and as 10—7 is near the lower limit of detectability the activation energy is probably not accurately determined. The diffusion coefficient for the M = 5800 fraction is 1.1×10—7 cm2/sec at 150°C. These results, combined with previous results, show that D = κn—5/3, where D is the coefficient of self-diffuison for the normal paraffin CnH2n+2. κ is a constant at a given temperature, 4.5×10—3 cm2/sec at 200°C and 2.5×10—3 cm2/sec at 150°C.

Bibliography

McCall, D. W., Douglass, D. C., & Anderson, E. W. (1959). Diffusion in Ethylene Polymers. IV. The Journal of Chemical Physics, 30(3), 771â773.

Authors 3

David W. McCall (first)
Dean C. Douglass (additional)
Ernest W. Anderson (additional)

References 14 Referenced 77

10.1002/pol.1957.1202611305 / J. Polymer Sci. (1957)
10.1002/pol.1957.1202611303 / J. Polymer Sci. (1957)
10.1021/ja01541a021 / J. Am. Chem. Soc. (1958)
10.1103/PhysRev.94.630 / Phys. Rev. (1954)
10.1063/1.1715723 / Rev. Sci. Instr. (1957)
10.1021/j150567a020 / J. Phys. Chem. (1958)
10.1002/pol.1957.1202410702 / J. Polymer Sci. (1957)
10.1021/ja01868a059 / J. Am. Chem. Soc. (1940)
{'key': '2024020818263051000_r9'}
10.1021/ja01862a020 / J. Am.Chem. Soc. (1940)
10.1063/1.1743136 / J. Chem. Phys. (1956)
{'key': '2024020818263051000_r12'}
10.1039/tf9494500203 / Trans. Faraday Soc. (London) (1949)
10.1021/ie50411a021 / Ind. Eng. Chem. (1944)

Dates

Type	When
Created	20 years, 7 months ago (Jan. 5, 2005, 9:22 p.m.)
Deposited	1 year, 6 months ago (Feb. 8, 2024, 1:58 p.m.)
Indexed	1 year, 6 months ago (Feb. 10, 2024, 4:49 p.m.)
Issued	66 years, 5 months ago (March 1, 1959)
Published	66 years, 5 months ago (March 1, 1959)
Published Print	66 years, 5 months ago (March 1, 1959)

Funders 0

None

BibTeX

@article{McCall_1959, title={Diffusion in Ethylene Polymers. IV}, volume={30}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.1730042}, DOI={10.1063/1.1730042}, number={3}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={McCall, David W. and Douglass, Dean C. and Anderson, Ernest W.}, year={1959}, month=mar, pages={771–773} }

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