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Small-angle neutron scattering from solution-crystallized and melt-crystallized polyethylene (1978)

Summerfield, G. C. ; King, J. S. ; Ullman, R.

Copenhagen : International Union of Crystallography (IUCr)

Applied crystallography online 11 (1978), S. 548-551

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ISSN: 1600-5767

Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001

Topics: Geosciences , Physics

Notes: Results are presented and analyzed for mixtures of normal and deuterated polyethylene. Some of the results are used to determine single-chain radii of gyration in bulk polyethylene. The radii of gyration are found to be smaller for solution-crystallized samples than for melt-crystallized samples and smaller for slowly crystallized samples than for rapidly crystallized samples. Although the data are not always consistent, comparison of Kratky plots in the higher-Q region with Yoon–Flory model calculations suggests that the solution-grown samples show adjacent reentry whereas melt-crystallized samples do not.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1107/S0021889878013850

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